US4500339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adherent controlled release microbiocides containing hydrolyzable silanes
Assignee: Individual
•
Filing: 1980-09-03
•
Granted: 1985-02-19
•
Expires: 2000-09-03
Abstract
Abstract There are disclosed methods and compositions for the controlled release of microbiocides by using a mixture consisting of (a) a hydrolyzable silane or an organopolysiloxane containing hydrolyzable silane groups or a partial hydrolyzate thereof, (b) optionally, an organopolysiloxane containing hydroxyl groups or a carbinol-containing polymer, and (c) a microbiocide.
Inventors
- 👤 Robert W. Young
- 👤 Samuel Prussin
- 👤 Norman G. Gaylord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:52
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/24
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
57 words
A composition of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, and (b) a microbiocide.
Claim 2
Dependent Claim
57 words
A composition of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, and (b) a microbiocide.
Claim 3
Dependent Claim
88 words
A composition capable of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, (b) a hydroxyl-containing polymer selected from the group consisting of (1) an organopolysiloxane containing hydroxyl groups or functional groups which are hydrolyzable to hydroxyl groups, and (2) a carbinol-containing polymer, and (c) a microbiocide.
Claim 4
Dependent Claim
88 words
A composition capable of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, (b) a hydroxyl-containing polymer selected from the group consisting of (1) an organopolysiloxane containing hydroxyl groups or functional groups which are hydrolyzable to hydroxyl groups, and (2) a carbinol-containing polymer, and (c) a microbiocide.
Claim 5
Dependent Claim
50 words
The composition of claim 1 wherein the hydrocarbon substituted hydrolyzable silane has the formula R n SiX 4-n where R is a monovalent hydrocarbon radical, X is a hydrolyzable group selected from the group consisting of halogen, alkoxy, acyloxy and hydrogen, and n is an integer from 0 to 2.
Claim 6
Dependent Claim
57 words
The composition of claim 1 wherein the organopolysiloxane containing hydrolyzable silane groups has the formula P-(SiX n ) m where P is an organopolysiloxane, X is a hydrolyzable group selected from the group consisting of halogen, alkoxy, acyloxy and hydrogen, n is an integer from 2 to 3, and m is an integer from 1 to 20.
Claim 7
Dependent Claim
25 words
The composition of claim 4 wherein the organopolysiloxane contains the structural unit: ##STR6## wherein R"' and R"" are oxygen or non-hydrolyzable hydrocarbon or heterocyclic radicals.
Claim 8
Dependent Claim
31 words
The composition of claim 5 wherein the non-hydrolyzable radicals are selected from the group consisting of acyclic or cyclic, saturated or unsaturated aliphatic radicals, aromatic radicals, aralkyl radicals and alkylaryl radicals.
Claim 9
Dependent Claim
50 words
The composition of claim 2 wherein the hydrocarbon substituted hydrolyzable silane has the formula R n SiX 4-n where R is a monovalent hydrocarbon radical, X is a hydrolyzable group selected from the group consisting of halogen, alkoxy, acyloxy and hydrogen, and n is an integer from 0 to 2.
Claim 10
Dependent Claim
57 words
The composition of claim 2 wherein the organopolysiloxane containing hydrolyzable silane groups has the formula P--(SiX n ) m where P is an organopolysiloxane, X is a hydrolyzable group selected from the group consisting of halogen, alkoxy, acyloxy and hydrogen, n is an integer from 2 to 3, and m is an integer from 1 to 20.
Claim 11
Dependent Claim
25 words
The composition of claim 8 wherein the organopolysiloxane contains the structural unit: ##STR7## wherein R"' and R"" are oxygen or non-hydrolyzable hydrocarbon or heterocyclic radicals.
Claim 12
Dependent Claim
31 words
The composition of claim 9 wherein the non-hydrolyzable radicals are selected from the group consisting of acyclic or cyclic, saturated or unsaturated aliphatic radicals, aromatic radicals, aralkyl radicals and alkylaryl radicals.
Claim 13
Dependent Claim
35 words
The composition of claim 2 wherein the organopolysiloxane contains the structural unit ##STR8## wherein X is a hydroxyl radical or a hydrolyzable radical and R and R' are oxygen or non-hydrolyzable hydrocarbon or heterocyclic radicals.
Claim 14
Dependent Claim
24 words
The composition of claim 11 wherein the hydrolyzable groups on the organopolysiloxane are selected from the group consisting of halogen, alkoxy, acyloxy and hydrogen.
Claim 15
Dependent Claim
30 words
The composition of claim 11 wherein the non-hydrolyzable hydrocarbon radicals are selected from the group consisting of branched, linear or cyclic aliphatic radicals, aromatic radicals aralkyl radicals and alkylaryl radicals.
Claim 16
Dependent Claim
20 words
The composition of claim 2 wherein the weight ratio of (a) and (b) is within the range 0.1/99.9 to 99.9/0.1.
Claim 17
Dependent Claim
108 words
A composition capable of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, (b) a hydroxyl-containing polymer selected from the group consisting of (1) an organopolysiloxane containing hydroxyl groups or functional groups which are hydrolyzable to hydroxyl groups, and (2) a carbinol-containing polymer, (c) a non-volatile, non-reactive extender, and (d) a microbiocide, wherein the weight ratio of (a) and (b) is within the range 0.1/99.9 to 100/0.
Claim 18
Dependent Claim
108 words
A composition capable of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, (b) a hydroxyl-containing polymer selected from the group consisting of (1) an organopolysiloxane containing hydroxyl groups or functional groups which are hydrolyzable to hydroxyl groups, and (2) a carbinol-containing polymer, (c) a non-volatile, non-reactive extender, and (d) a microbiocide, wherein the weight ratio of (a) and (b) is within the range 0.1/99.9 to 100/0.
Claim 19
Dependent Claim
107 words
A composition capable of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, (b) a hydroxyl-containing polymer selected from the group consisting of (1) an organopolysiloxane containing hydroxyl groups or functional groups which are hydrolyzable to hydroxyl groups, and (2) a carbinol-containing polymer, (c) a volatile diluent, and (d) a microbiocide, wherein the weight ratio of (a) and (b) is within the range 0.1/99.9 to 100/0.
Claim 20
Dependent Claim
107 words
A composition capable of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, (b) a hydroxyl-containing polymer selected from the group consisting of (1) an organopolysiloxane containing hydroxyl groups or functional groups which are hydrolyzable to hydroxyl groups, and (2) a carbinol-containing polymer, (c) a volatile diluent, and (d) a microbiocide, wherein the weight ratio of (a) and (b) is within the range 0.1/99.9 to 100/0.
Claim 21
Dependent Claim
112 words
A composition capable of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, (b) a hydroxyl-containing polymer selected from the group consisting of (1) an organopolysiloxane containing hydroxyl groups or functional groups which are hydrolyzable to hydroxyl groups, and (2) a carbinol-containing polymer, (c) a non-volatile, non-reactive extender, (d) a volatile diluent, and (e) a microbiocide, wherein the weight ratio of (a) and (b) is within the range 0.1/99.9 to 100/0.
Claim 22
Dependent Claim
112 words
A composition capable of undergoing hydrolysis under ambient conditions to form a polymeric network capable of controlling the release of a microbiocide, consisting essentially of (a) a hydrolyzable silane selected from the group consisting of (1) a hydrocarbon substituted hydrolyzable silane, and (2) an organopolysiloxane containing hydrolyzable silane groups, or a partial hydrolyzate thereof, (b) a hydroxyl-containing polymer selected from the group consisting of (1) an organopolysiloxane containing hydroxyl groups or functional groups which are hydrolyzable to hydroxyl groups, and (2) a carbinol-containing polymer, (c) a non-volatile, non-reactive extender, (d) a volatile diluent, and (e) a microbiocide, wherein the weight ratio of (a) and (b) is within the range 0.1/99.9 to 100/0.
Claim 23
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 1 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 24
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 2 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 25
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 3 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 26
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 4 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 27
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 5 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 28
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 6 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 29
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 7 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 30
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 8 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 31
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 9 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 32
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 10 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 33
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 11 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 34
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 12 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 35
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 13 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 36
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 14 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 37
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 15 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 38
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 16 to said substrate and exposing the coated substrate to atmospheric moisture.
Claim 39
Dependent Claim
35 words
A process for providing a substrate containing active hydrogen atoms with an adherent controlled release microbiocide which comprises applying the composition of claim 17 to said substrate and exposing the coated substrate to atmospheric moisture.
References Cited (Backward Citations)
US4172904A
Cited
US4205096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-19 | 1988-08-20 | 1989-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-19 | 1992-08-20 | 1993-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-19 | 1996-08-20 | 1997-02-19 | $7700.00 | Window Closed / Lapsed |