US3214488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising polymethyl ether of polymethylol melamine and copolymer of olefin and carboxyl monomer
Assignee: Wyeth Holdings LLC
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Filing: 1961-08-24
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Granted: 1965-10-26
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Expires: 1981-08-24
Abstract
No abstract record available.
Inventors
- 👤 David V O'donnell
- 👤 Suen Tzeng Jiueq
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:43
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/20; C09D161/32; C09D123/00; C09D123/02; C09D123/025; C09D157/00; C09D157/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A COMPOSITION OF MATTER CAPABLE OF PRODUCING GLOSSY, CONTINUOUS FILMS HAVING EXCELLENT CHEMICAL RESISTANCE WHICH COMPRISES A MIXTURE OF (1) 50% TO 10% BY WEIGHT OF A WATER-SOLUBLE POTENTIALLY THERMOSETTING POLYMETHYL ETHER OF A POLYMETHYLOL MELAMINE AND (2) 50% TO 90% BY WEIGHT OF A WATER-SOLUBLE SALT OF A POLYMER COMPRISING (A) 3 MOL PERCENT TO 50 MOL PERCENT OF AN A,B-MONOETHYLENICALLY UNSATURATED CARBOXYLIC ACID, (B) 10 MOL PERCENT TO 50 MOL PERCENT OF A MONOOLEFIN HAVING 2 TO 8 CARBON ATOMS AND (C) UP TO 87 MOL PERCENT OF A MONOETHYLENICALLY UNSATURATED MONOMER DIFFERENT FROM (A) AND (B) AND COPOLYMERIZABLE WITH (A) AND (B).
Claim 2
Dependent Claim
105 words
A COMPOSITION OF MATTER CAPABLE OF PRODUCING GLOSSY, CONTINUOUS FILMS HAVING EXCELLENT CHEMICAL RESISTANCE WHICH COMPRISES A MIXTURE OF (1) 50% TO 10% BY WEIGHT OF A WATER-SOLUBLE POTENTIALLY THERMOSETTING POLYMETHYL ETHER OF A POLYMETHYLOL MELAMINE AND (2) 50% TO 90% BY WEIGHT OF A WATER-SOLUBLE SALT OF A POLYMER COMPRISING (A) 3 MOL PERCENT TO 50 MOL PERCENT OF AN A,B-MONOETHYLENICALLY UNSATURATED CARBOXYLIC ACID, (B) 10 MOL PERCENT TO 50 MOL PERCENT OF A MONOOLEFIN HAVING 2 TO 8 CARBON ATOMS AND (C) UP TO 87 MOL PERCENT OF A MONOETHYLENICALLY UNSATURATED MONOMER DIFFERENT FROM (A) AND (B) AND COPOLYMERIZABLE WITH (A) AND (B).
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |