US3017381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat resistant polyester of a dicarboxylic acid, a polyhydric alcohol, and a s-triazine having at least two n-alkenyloxy groups and reaction product of ethylenically unsaturated monomer therewith
Assignee: Wyeth Holdings LLC
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Filing: 1959-04-30
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Granted: 1962-01-16
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Expires: 1979-04-30
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Schlegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:17
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08G63/6858
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A POLYMERIZABLE RESINOUS COMPOSITION OF MATTER COMPRISING THE PRODUCT OBTAINED BY ESTERIFYING, AT A TEMPERATURE OF NOT LESS THAN ABOUT 140* C. FOR A PERIOD OF TIME SUFFICIENT TO EFFECT THE TRANSESTERIFICATION OF AT LEAST TWO OF THE ALKENYLOXY SUBSTITUENTS ON THE TRIAZINE NUCLEUS, 1 MOL OF (A) AN ALPHA, BETA ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID, FROM ABOUT 1.25 TO 3 MOLS OF (B) A SATURATED ALIPHATIC DIHYDRIC ALCOHOL AND FROM ABOUT 0.25 TO 2.0 MOLS OF (C) A COMPOUND REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
39 words
A POLYMERIZABLE RESINOUS COMPOSITION OF MATTER COMPRISING AN ADMIXTURE OF 10 TO 90 PARTS OF THE PRODUCT ACCORDING TO CLAIM 2 AND CORRESPONDINGLY 90 TO 10 PARTS OF, A MONOMERIC MATERIAL CONTAINING A CH2=C< GROUP COPOLYMERIZABLE WITH SAID PRODUCT.
References Cited (Backward Citations)
US2481156A
Cited
US2557667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |