US3060147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester resin compositions
Assignee: Wyeth Holdings LLC
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Filing: 1961-05-03
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Granted: 1962-10-23
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Expires: 1981-05-03
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Schlegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:38
CPC Classifications
C; C08; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A POLYMERIZABLE COMPOSITION OF MATTER COMPRISING (1) AN ETHYLENICALLY UNSATURATED POLYESTER RESIN, OBTAINED BY ESTERIFYING AN A, B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID WITH A DIHYDRIC ALCOHOL, (2) A MONOMERIC CROSSLINKING AGENT FOR (1) CONTAINING A CH2=C< GROUP AND HAVING A BOILING POINT, AT ATMOSPHERIC PRESSURE, ABOVE 60* C., AND (3) A DIGLYCIDYL ESTER OF A DICARBOXYLIC ACID.
Claim 2
Dependent Claim
56 words
A POLYMERIZABLE COMPOSITION OF MATTER COMPRISING (1) AN ETHYLENICALLY UNSATURATED POLYESTER RESIN, OBTAINED BY ESTERIFYING AN A, B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID WITH A DIHYDRIC ALCOHOL, (2) A MONOMERIC CROSSLINKING AGENT FOR (1) CONTAINING A CH2=C< GROUP AND HAVING A BOILING POINT, AT ATMOSPHERIC PRESSURE, ABOVE 60* C., AND (3) A DIGLYCIDYL ESTER OF A DICARBOXYLIC ACID.
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) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |