Patent US3948842A successfully refreshed from Google Patents.
US3948842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire retardant polymeric additives of vinylidene halides with bis(hydrocarbyl) vinyl phosphonates and C1 -C20 alkylesters of acrylic and methacrylic acids
Assignee: Stauffer Chemical Co
•
Filing: 1973-09-17
•
Granted: 1976-04-06
•
Expires: 1993-09-17
Abstract
Abstract A fire retardant additive comprising particles of a polymer of:
Inventors
- 👤 Paul Kraft
- 👤 Siegfried Altscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/08; C08F30/00; C08F30/02; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08L101/00; C08L43/00; C08L43/02; C08L67/00; C08L75/00; C08L75/04; C08L81/00; C08L81/06; C08K5/04; C08K5/09; C08K5/16; C08K5/20; C08L2201/00; C08L2201/02; C08L27/00; C08L27/02; C08L27/04; C08L27/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
81 words
An aqueous emulsion comprising particles of an emulsion polymer consisting of: 1. from about 10 to 98% by weight of a vinylidene halide; 2. from about 1% to 89% by weight of at least one bis(hydrocarbyl) vinyl phosphonate having the structure: ##EQU5## wherein X is selected from the group consisting of hydrogen, halogen, cyano, aryl, C 1 -C 18 alkyl and ##EQU6## wherein R and R' are hydrocarbyl and substituted hydrocarbyl groups which can be the same, different or conjoint; and
Claim 2
Dependent Claim
81 words
An aqueous emulsion comprising particles of an emulsion polymer consisting of: 1. from about 10 to 98% by weight of a vinylidene halide; 2. from about 1% to 89% by weight of at least one bis(hydrocarbyl) vinyl phosphonate having the structure: ##EQU5## wherein X is selected from the group consisting of hydrogen, halogen, cyano, aryl, C 1 -C 18 alkyl and ##EQU6## wherein R and R' are hydrocarbyl and substituted hydrocarbyl groups which can be the same, different or conjoint; and
Claim 3
Dependent Claim
27 words
from about 1% to 45% by weight of at least one third comonomer selected from the C 1 -C 20 alkyl esters of acrylic or methacrylic acid.
Claim 4
Dependent Claim
27 words
from about 1% to 45% by weight of at least one third comonomer selected from the C 1 -C 20 alkyl esters of acrylic or methacrylic acid.
Claim 5
Dependent Claim
15 words
An aqueous emulsion as defined in claim 1 wherein the vinylidene halide is vinylidene chloride.
Claim 6
Dependent Claim
20 words
An aqueous emulsion as defined in claim 1 wherein the third comonomer is a C 4 -C 8 alkyl acrylate.
Claim 7
Dependent Claim
18 words
An aqueous emulsion as defined in claim 2 wherein the bis(hydrocarbyl)vinyl phosphonate is bis(beta halo lower alkyl)vinyl phosphonate.
Claim 8
Dependent Claim
18 words
An aqueous emulsion as defined in claim 4 wherein the bis(beta haloalkyl)vinyl phosphonate is bis(beta chloroethyl) vinyl phosphonate.
Claim 9
Dependent Claim
30 words
An aqueous emulsion as defined in claim 1 wherein the emulsion polymer consists of vinylidene chloride, bis(beta-chloroethyl) vinyl phosphonate, and a C 1 -C 20 alkyl ester of acrylic acid.
Claim 10
Dependent Claim
23 words
An aqueous emulsion as defined in claim 6 wherein the alkyl ester of acrylic acid is a C 4 -C 8 alkyl acrylate.
Claim 11
Dependent Claim
19 words
An aqueous emulsion as defined in claim 7, wherein the C 4 -C 8 alkyl acrylate is n-butyl acrylate.
Claim 12
Dependent Claim
19 words
An aqueous emulsion as defined in claim 7 wherein the C 4 -C 8 alkyl acrylate is 2-ethylhexyl acrylate.
Claim 13
Dependent Claim
36 words
An aqueous emulsion as defined in claim 1 wherein the emulsion polymer consists of about 50% by weight of bis(beta-chloroethyl) vinyl phosphonate, about 30% by weight of vinylidene chloride and about 20% by weight n-butyl acrylate.
Claim 14
Dependent Claim
23 words
An aqueous emulsion comprising particles of an emulsion polymer consisting of: 1. from about 10 to 98% by weight of a vinylidene halide;
Claim 15
Dependent Claim
23 words
An aqueous emulsion comprising particles of an emulsion polymer consisting of: 1. from about 10 to 98% by weight of a vinylidene halide;
Claim 16
Dependent Claim
56 words
from about 1% to 89% by weight of at least one bis(hydrocarbyl) vinyl phosphonate having the structure: ##EQU7## wherein X is selected from the group consisting of hydrogen, halogen, cyano, aryl, C 1 -C 18 alkyl and ##EQU8## wherein R and R' are hydrocarbyl and substituted hydrocarbyl groups which can be the same, different or conjoint;
Claim 17
Dependent Claim
56 words
from about 1% to 89% by weight of at least one bis(hydrocarbyl) vinyl phosphonate having the structure: ##EQU7## wherein X is selected from the group consisting of hydrogen, halogen, cyano, aryl, C 1 -C 18 alkyl and ##EQU8## wherein R and R' are hydrocarbyl and substituted hydrocarbyl groups which can be the same, different or conjoint;
Claim 18
Dependent Claim
44 words
from about 1% to 45% by weight of at least one C 1 -C 20 alkyl ester of acrylic or methacrylic acid; and 4. from about 1% to about 5% by weight of an N-methylol or diacetone amide of an ethylenically unsaturated carboxylic acid.
Claim 19
Dependent Claim
44 words
from about 1% to 45% by weight of at least one C 1 -C 20 alkyl ester of acrylic or methacrylic acid; and 4. from about 1% to about 5% by weight of an N-methylol or diacetone amide of an ethylenically unsaturated carboxylic acid.
Claim 20
Dependent Claim
14 words
An aqueous emulsion as defined in claim 11 wherein the monomer is vinylidene chloride.
Claim 21
Dependent Claim
25 words
An aqueous emulsion as defined in claim 11 wherein the alkyl ester of acrylic or methacrylic acid is a C 4 -C 8 alkyl acrylate.
Claim 22
Dependent Claim
16 words
An aqueous emulsion as defined in claim 12 wherein the bis(hydrocarbyl)vinylphosphonate is bis(beta halo-lower alkyl) vinylphosphonate.
Claim 23
Dependent Claim
17 words
An aqueous emulsion as defined in claim 14 wherein the bis(beta halo-lower alkyl) vinylphosphonate is bis(beta-chloroethyl) vinylphosphonate.
Claim 24
Dependent Claim
28 words
An aqueous emulsion as defined in claim 11 wherein the emulsion polymer consists of 25-35% vinylidene chloride, 45-55% bis(beta-chloroethyl) vinyl phosphonate, 14-20% n-butyl acrylate and 1-5% N-methylol acrylamide.
Claim 25
Dependent Claim
19 words
An aqueous emulsion as defined in claim 13 wherein the C 4 -C 8 alkyl acrylate is n-butyl acrylate.
Claim 26
Dependent Claim
19 words
An aqueous emulsion as defined in claim 13 wherein the C 4 -C 8 alkyl acrylate is 2-ethylhexyl acrylate.
Claim 27
Dependent Claim
29 words
An aqueous emulsion as defined in claim 11 wherein the emulsion polymer consists of 65-75% vinylidene chloride, 12- 22% bis(beta-chloroethyl) vinyl phosphonate, 5-13% 2-ethylhexyl acrylate and 1-5% N-methylol acrylamide.
References Cited (Backward Citations)
US3682871A
Cited
US3691127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |