US3179714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable coating compositions comprising polyepoxide, carboxyl-containing copolymer, and tertiary amine catalyst
Assignee: PPG Architectural Coatings Canada Inc
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Filing: 1961-10-30
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Granted: 1965-04-20
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Brockman Francis Joseph
- 👤 Gordon H Segall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:38
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/24; C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5006; C08G59/5013; C08G59/68; C08G59/686; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C09D157/00; C09D157/04; C09D163/00; D21H19/20; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A CAN-STABLE COATING COMPOSITION COMPRISING (1) AN ACIDIC COPOLYMER OF AN A, B-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID MONOMER AND AT LEAST ONE OTHER POLYMERIZABLE MONOETHYLENICALLY UNSATURATED MONOMER HAVING THE ETHYLENIC GROUP AS SOLE REACTIVE GROUP, (2) AN EPOXIDIZED MATERIAL CONTAINING AT LEAST TWO 1, 2-EPOXIDE GROUPS PER MOLECULAR, AND (3) AS A LATENT CROSS-LINKING CATALYST, A TERTIARY AMINE WHEREIN THE NITROGEN ATOM IS LINKED DIRECTLY TO THREE MONOVALENT ALIPHATIC HYDROCARBON RADICALS, EACH CONTAINING FROM 9 TO 18 CARBON ATOMS.
Claim 2
Dependent Claim
78 words
A CAN-STABLE COATING COMPOSITION COMPRISING (1) AN ACIDIC COPOLYMER OF AN A, B-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID MONOMER AND AT LEAST ONE OTHER POLYMERIZABLE MONOETHYLENICALLY UNSATURATED MONOMER HAVING THE ETHYLENIC GROUP AS SOLE REACTIVE GROUP, (2) AN EPOXIDIZED MATERIAL CONTAINING AT LEAST TWO 1, 2-EPOXIDE GROUPS PER MOLECULAR, AND (3) AS A LATENT CROSS-LINKING CATALYST, A TERTIARY AMINE WHEREIN THE NITROGEN ATOM IS LINKED DIRECTLY TO THREE MONOVALENT ALIPHATIC HYDROCARBON RADICALS, EACH CONTAINING FROM 9 TO 18 CARBON ATOMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |