US4101720A
Expired / Lapsed
US
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Degradable plastic
Assignee: OI Glass Inc
•
Filing: 1976-01-02
•
Granted: 1978-07-18
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Expires: 1996-01-02
Abstract
Abstract There is disclosed a novel degradable plastic composition consisting of an organic polymeric material, said material having dispersed therein at least one organic derivative of a transition metal and at least one readily autoxidizable organic material.
Inventors
- 👤 Lynn J. Taylor
- 👤 John W. Tobias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:10
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06; Y; Y10; Y10S; Y10S260/00; Y10S260/43
Claims Analysis
Total Claims: 58
Claim 1
Independent Claim
163 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an acetal compound selected from the group consisting of α-amyl cinnamaldehyde dimethyl acetal; citral dimethyl acetal; hydratropic aldehyde dimethyl acetal; and phenylacetaldehyde diethyl acetal.
Claim 2
Dependent Claim
163 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an acetal compound selected from the group consisting of α-amyl cinnamaldehyde dimethyl acetal; citral dimethyl acetal; hydratropic aldehyde dimethyl acetal; and phenylacetaldehyde diethyl acetal.
Claim 3
Dependent Claim
45 words
The composition of claim 1 wherein said plastic composition comprises about 70 to 99 percent by weight of said polymer, about 0.01 to 10 percent by weight of said transition-metal derivative and about 1 to 25 percent by weight of said readily autoxidizable organic material.
Claim 4
Dependent Claim
34 words
The composition of claim 1 wherein the transition-metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80 and 89 through 103 of the Periodic Table.
Claim 5
Dependent Claim
142 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an amine compound.
Claim 6
Dependent Claim
142 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an amine compound.
Claim 7
Dependent Claim
25 words
The composition of claim 4 wherein said amine compound is selected from the group consisting of benzyldimethyl amine; N,N-dibenzylaniline; n-decylamine; 4,4'-methylenebis(N,N-dimethylaniline); oleylamine; linoleylamine; and spermine.
Claim 8
Dependent Claim
45 words
The composition of claim 4 wherein said plastic composition comprises about 70 to 99 percent by weight of said polymer, about 0.01 to 10 percent by weight of said transition-metal derivative and about 1 to 25 percent by weight of said readily autoxidizable organic material.
Claim 9
Dependent Claim
34 words
The composition of claim 4 wherein the transition-metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80 and 89 through 103 of the Periodic Table.
Claim 10
Dependent Claim
142 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an aldehyde compound.
Claim 11
Dependent Claim
142 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an aldehyde compound.
Claim 12
Dependent Claim
34 words
The composition of claim 8 wherein said aldehyde compound is selected from the group consisting of heliotropin; 3-benzyloxybenzaldehyde; 4-benzyloxylbenzaldehyde; p-n-octyloxybenzaldehyde; decanal; 10-undecenal; dodecanal; 2-methylundecanal; n-tetradecanal; α-amylcinnamaldehyde; cinnamaldehyde; citral; citronellal; p-isopropylbenzaldehyde; p-isopropyl-alpha-methylhydrocinnamaldehyde; α-n-hexylcinnamaldehyde; and salicylaldehyde.
Claim 13
Dependent Claim
45 words
The composition of claim 8 wherein said plastic composition comprises about 70 to 99 percent by weight of said polymer, about 0.01 to 10 percent by weight of said transition-metal derivative and about 1 to 25 percent by weight of said readily autoxidizable organic material.
Claim 14
Dependent Claim
34 words
The composition of claim 8 wherein the transition-metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80 and 89 through 103 of the Periodic Table.
Claim 15
Dependent Claim
143 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic sulfur compound.
Claim 16
Dependent Claim
143 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic sulfur compound.
Claim 17
Dependent Claim
40 words
The composition of claim 12 wherein said organic sulfur compound is selected from the group consisting of benzyl mercaptan; 1-dodecanethiol; 2-mercaptobenzimidazole; 1-decanethiol; benzenethiol; p-toluenethiol; 1-octadecanethiol; p-methoxybenzenethiol; 2-mercaptobenzothiazole; dibenzyl sulfide; dibenzyl disulfide; dilauryl sulfide; dilauryl disulfide; benzenesulfinic acid; and p-toluenesulfinic acid.
Claim 18
Dependent Claim
45 words
The composition of claim 12 wherein said plastic composition comprises about 70 to 99 percent by weight of said polymer, about 0.01 to 10 percent by weight of said transition-metal derivative and about 1 to 25 percent by weight of said readily autoxidizable organic material.
Claim 19
Dependent Claim
34 words
The composition of claim 12 wherein the transition-metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80 and 89 through 103 of the Periodic Table.
Claim 20
Dependent Claim
143 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic borane compound.
Claim 21
Dependent Claim
143 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic borane compound.
Claim 22
Dependent Claim
21 words
The composition of claim 16 wherein said organic boron compound is selected from the group consisting of tri-n-hexylborane; tri-n-octylborane; and triisobutylborane.
Claim 23
Dependent Claim
45 words
The composition of claim 16 wherein said plastic composition comprises about 70 to 99 percent by weight of said polymer, about 0.01 to 10 percent by weight of said transition-metal derivative and about 1 to 25 percent by weight of said readily autoxidizable organic material.
Claim 24
Dependent Claim
34 words
The composition of claim 16 wherein the transition-metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80 and 89 through 103 of the Periodic Table.
Claim 25
Dependent Claim
145 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogenatom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic phosphite or phosphine compound.
Claim 26
Dependent Claim
145 words
As a composition of matter, a plastic composition which is degradable in the absence of electromagnetic radiation and consists essentially of an organic polymer having dispersed therein at least one transition-metal derivative and at least one readily autoxidizable organic material, said transition-metal derivative and readily autoxidizable organic material both being present in an amount sufficient to cause degradation of said polymer in the absence of electromagnetic radiation, and said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogenatom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic phosphite or phosphine compound.
Claim 27
Dependent Claim
30 words
The composition of claim 20 wherein said organic phosphorus compound is selected from the group consisting of tribenzyl phosphite; dibenzyl phosphite; trilauryl phosphite; trilauryl phosphine; triphenyl phosphine; and tribenzyl phosphine.
Claim 28
Dependent Claim
45 words
The composition of claim 20 wherein said plastic composition comprises about 70 to 99 percent by weight of said polymer, about 0.01 to 10 percent by weight of said transition-metal derivative and about 1 to 25 percent by weight of said readily autoxidizable organic material.
Claim 29
Dependent Claim
34 words
The composition of claim 20 wherein the transition-metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80 and 89 through 103 of the Periodic Table.
Claim 30
Dependent Claim
133 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an acetal compound selected from the group consisting of α-amyl cinnamaldehyde dimethyl acetal; citral dimetnyl acetal; hydratropic aldehyde dimethyl acetal; and phenylacetaldehyde diethyl acetal.
Claim 31
Dependent Claim
133 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an acetal compound selected from the group consisting of α-amyl cinnamaldehyde dimethyl acetal; citral dimetnyl acetal; hydratropic aldehyde dimethyl acetal; and phenylacetaldehyde diethyl acetal.
Claim 32
Dependent Claim
47 words
The process of claim 24 wherein about 0.01 to about 10 percent by weight of the transition-metal derivative and about 1 percent to about 25 percent by weight of the readily autoxidizable organic material are dispersed in about 70 to 99 percent by weight of said polymer.
Claim 33
Dependent Claim
35 words
The process of claim 24 wherein the transition metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80, and 89 through 103 of the Periodic Table.
Claim 34
Dependent Claim
112 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an amine compound.
Claim 35
Dependent Claim
112 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an amine compound.
Claim 36
Dependent Claim
25 words
The process of claim 27 wherein said amine compound is selected from the group consisting of benzyldimethyl amine; N,N-dibenzylaniline; n-decylamine; 4,4'-methylenebis(N,N-dimethylaniline); oleylamine; linoleylamine; and spermine.
Claim 37
Dependent Claim
47 words
The process of claim 27 wherein about 0.01 to about 10 percent by weight of the transition-metal derivative and about 1 percent to about 25 percent by weight of the readily autoxidizable organic material are dispersed in about 70 to 99 percent by weight of said polymer.
Claim 38
Dependent Claim
35 words
The process of claim 27 wherein the transition metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80, and 89 through 103 of the Periodic Table.
Claim 39
Dependent Claim
112 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an aldehyde compound.
Claim 40
Dependent Claim
112 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an aldehyde compound.
Claim 41
Dependent Claim
33 words
The process of claim 31 wherein said aldehyde compound selected from the group consisting of heliotropin; 3-benzyloxybenzaldehyde; 4-benzyloxylbenzaldehyde; p-n-octyloxybenzaldehyde; decanal; 10-undecenal; dodecanal; 2-methylundecanal; n-tetradecanal; α-amylcinnamaldehyde; cinnamaldehyde; citral; citronellal; p-isopropylbenzaldehyde; p-isopropyl-alpha-methylhydrocinnamaldehyde; α-n-hexylcinnamaldehyde; and salicyladehyde.
Claim 42
Dependent Claim
47 words
The process of claim 31 wherein about 0.01 to about 10 percent by weight of the transition-metal derivative and about 1 percent to about 25 percent by weight of the readily autoxidizable organic material are dispersed in about 70 to 99 percent by weight of said polymer.
Claim 43
Dependent Claim
35 words
The process of claim 31 wherein the transition metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80, and 89 through 103 of the Periodic Table.
Claim 44
Dependent Claim
113 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic sulfur compound.
Claim 45
Dependent Claim
113 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic sulfur compound.
Claim 46
Dependent Claim
40 words
The process of claim 35 wherein said organic sulfur compound is selected from the group consisting of benzyl mercaptain; 1-dodecanethiol; 2-mercaptobenzimidazole; 1-decanethiol; benzenethiol; p-toluenethiol; 1-octadecanethiol; p-methoxybenzenethiol; 2-mercaptobenzothiazole; dibenzyl sulfide; dibenzyl disulfide; dilauryl sulfide; dilauryl disulfide; benzenesulfinic acid; and p-toluenesulfinic acid.
Claim 47
Dependent Claim
47 words
The process of claim 35 wherein about 0.01 to about 10 percent by weight of the transition-metal derivative and about 1 percent to about 25 percent by weight of the readily autoxidizable organic material are dispersed in about 70 to 99 percent by weight of said polymer.
Claim 48
Dependent Claim
35 words
The process of claim 35 wherein the transition metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80, and 89 through 103 of the Periodic Table.
Claim 49
Dependent Claim
113 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic borane compound.
Claim 50
Dependent Claim
113 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic borane compound.
Claim 51
Dependent Claim
21 words
The process of claim 39 wherein said organic boron compound is selected from the group consisting of tri-n-hexylborane; tri-n-octylborane; and triisobutylborane.
Claim 52
Dependent Claim
47 words
The process of claim 39 wherein about 0.01 to about 10 percent by weight of the transition-metal derivative and about 1 percent to about 25 percent by weight of the readily autoxidizable organic material are dispersed in about 70 to 99 percent by weight of said polymer.
Claim 53
Dependent Claim
35 words
The process of claim 39 wherein the transition metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80, and 89 through 103 of the Periodic Table.
Claim 54
Dependent Claim
115 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic phosphite or phosphine compound.
Claim 55
Dependent Claim
115 words
A process for preparing a plastic composition which is degradable in the absence of electromagnetic radiation, which process comprises dispersing into an organic polymer at least one transition metal derivative and at least one readily autoxidizable organic material, said readily autoxidizable organic material containing at least one carbon-hydrogen bond which is activated with respect to hydrogen-atom abstraction by an adjacent multiply bonded atom or an adjacent heteroatom and being a material which reacts with gaseous oxygen at a reaction rate more rapid than the corresponding reaction, under comparable conditions, of gaseous oxygen with an equal weight of said polymer in the absence of said readily autoxidizable material and being an organic phosphite or phosphine compound.
Claim 56
Dependent Claim
30 words
The process of claim 43 wherein said organic phosphorus compound is selected from the group consisting of tribenzyl phosphite; dibenzyl phosphite; trilauryl phosphite; trilauryl phosphine; triphenyl phosphine; and tribenzyl phosphine.
Claim 57
Dependent Claim
47 words
The process of claim 43 wherein about 0.01 to about 10 percent by weight of the transition-metal derivative and about 1 percent to about 25 percent by weight of the readily autoxidizable organic material are dispersed in about 70 to 99 percent by weight of said polymer.
Claim 58
Dependent Claim
35 words
The process of claim 43 wherein the transition metal is selected from one or more of the elements 21 through 30, 39 through 48, 57 through 80, and 89 through 103 of the Periodic Table.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-17 | 1982-01-16 | 1982-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-17 | 1986-01-16 | 1986-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-17 | 1990-01-16 | 1990-07-18 | $7700.00 | Window Closed / Lapsed |