US4452963A
Expired / Lapsed
US
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Low temperature urethane curing agents
Assignee: PPG Industries Ohio Inc
•
Filing: 1983-02-10
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Granted: 1984-06-05
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Expires: 2003-02-10
Abstract
Abstract There is herein provided a urethane-containing material having one or more moieties of the structure: ##STR1## wherein R is hydrogen, an alkyl, alkenyl or aryl group; wherein X is hydrogen, an alkyl, alkenyl or aryl group, or wherein X is a moiety of the structure: ##STR2## of which R 1 and R 2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group. The urethane-containing material is particularly useful as a low temperature curing agent for active hydrogen-containing compositions.
Inventors
- 👤 Thomas C. Moriarity
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:18
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/0804; C08G18/0809; C08G18/0814; C08G18/28; C08G18/40; C08G18/64; C08G18/6415; C08G18/643; C08G18/70; C08G18/72; C08G18/80; C08G18/8061
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
67 words
A urethane-containing material having one or more moieties of the structure: ##STR8## wherein R is hydrogen, an alkyl, alkenyl or aryl group; wherein X is hydrogen, an alkyl, alkenyl or aryl group, or wherein X is a moiety of the structure: ##STR9## of which R 1 and R 2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group.
Claim 2
Dependent Claim
67 words
A urethane-containing material having one or more moieties of the structure: ##STR8## wherein R is hydrogen, an alkyl, alkenyl or aryl group; wherein X is hydrogen, an alkyl, alkenyl or aryl group, or wherein X is a moiety of the structure: ##STR9## of which R 1 and R 2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group.
Claim 3
Dependent Claim
16 words
A urethane-containing material of claim 1, wherein R is hydrogen, an alkyl, alkenyl or aryl group.
Claim 4
Dependent Claim
18 words
A urethane-containing material of claim 2, wherein the alkyl group contains from about 1 to 10 carbon atoms.
Claim 5
Dependent Claim
18 words
A urethane-containing material of claim 3, wherein the alkyl group contains from about 1 to 5 carbon atoms.
Claim 6
Dependent Claim
14 words
A urethane-containing material of claim 2, wherein R is hydrogen or a methyl group.
Claim 7
Dependent Claim
35 words
A urethane-containing material of claim 1, wherein the moiety ##STR10## of which R 1 and R 2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group.
Claim 8
Dependent Claim
18 words
A urethane-containing material of claim 6, wherein the alkyl group contains from about 1 to 26 carbon atoms.
Claim 9
Dependent Claim
18 words
A urethane-containing material of claim 7, wherein the alkyl group contains from about 2 to 18 carbon atoms.
Claim 10
Dependent Claim
18 words
A urethane-containing material of claim 8, wherein the alkyl group contains from about 4 to 8 carbon atoms.
Claim 11
Dependent Claim
72 words
A blocked isocyanate obtained by reacting: (A) an isocyanate, and (B) a compound of the structure: ##STR11## wherein R is hydrogen, an alkyl, alkenyl or aryl group; wherein X is hydrogen, an alkyl, alkenyl or aryl group, or wherein X is a moiety of the structure: ##STR12## of which R 1 and R 2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group.
Claim 12
Dependent Claim
72 words
A blocked isocyanate obtained by reacting: (A) an isocyanate, and (B) a compound of the structure: ##STR11## wherein R is hydrogen, an alkyl, alkenyl or aryl group; wherein X is hydrogen, an alkyl, alkenyl or aryl group, or wherein X is a moiety of the structure: ##STR12## of which R 1 and R 2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group.
Claim 13
Dependent Claim
38 words
A compound as recited in claim 10, wherein the moiety X is ##STR13## of which R 1 and R 2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group.
Claim 14
Dependent Claim
17 words
A compound of claim 11, wherein the alkyl group contains from about 1 to 26 carbon atoms.
Claim 15
Dependent Claim
17 words
A compound of claim 12, wherein the alkyl group contains from about 2 to 18 carbon atoms.
Claim 16
Dependent Claim
17 words
A compound of claim 13, wherein the alkyl group contains from about 4 to 8 carbon atoms.
Claim 17
Dependent Claim
15 words
A compound of claim 10, wherein R is hydrogen, an alkyl, alkenyl or aryl group.
Claim 18
Dependent Claim
17 words
A compound of claim 15, wherein the alkyl group contains from about 1 to 10 carbon atoms.
Claim 19
Dependent Claim
17 words
A compound of claim 16, wherein the alkyl group contains from about 1 to 5 carbon atoms.
Claim 20
Dependent Claim
13 words
A compound of claim 15, wherein R is hydrogen or a methyl group.
Claim 21
Dependent Claim
12 words
A compound of claim 10, which is N,N-dibutylglycolamide, N,N-dipentylglycolamide, N,N-dibutyllactamide or anilide.
Claim 22
Dependent Claim
13 words
A blocked isocyanate of claim 10 in which the isocyanate is a polyisocyanate.
Claim 23
Dependent Claim
11 words
A blocked isocyanate of claim 10, wherein the isocyanate is aromatic.
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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) | 1987-06-05 | 1987-12-05 | 1988-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-05 | 1991-12-05 | 1992-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-05 | 1995-12-05 | 1996-06-05 | $7700.00 | Window Closed / Lapsed |