US3061571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardant composition comprising an acrylonitrile cross-linked polyester resinand an organic phosphate
Assignee: Wyeth Holdings LLC
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Filing: 1960-03-21
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Granted: 1962-10-30
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Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 Updegraff Ivor Heberling
- 👤 Lundberg Lennart Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:14
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A POLYMERIZABLE COMPOSITION OF MATTER COMPRISING (1) AN ETHYLENICALLY UNSATURATED POLYESTER RESIN OBTAINED BY ESTERIFYING AND A,B-ETHYLENICALLY UNSATURATED POLYCARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL, (2) FROM ABOUT 5-20% BY WEIGHT OF A MONOMERIC CROSS-LINKING AGENT FOR (1) CONTAINING A CH2=C< GROUP AND HAVING A BOILING POINT ABOVE 60*C., (3) FROM ABOUT 5-25% BY WEIGHT OF ACRYLONITRILE, AND (4) FROM ABOUT 1-10% BY WEIGHT OF A PENTAVALENT PHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYL PHOSPHATES, ALKYLENE PHOSPHATES ARYL PHOSPHATES AND ALKARYL PHOSPHATES, SAID PERCENTAGES BEING BASED ON THE WEIGHT OF THE TOTAL COMPOSITION.
Claim 2
Dependent Claim
94 words
A POLYMERIZABLE COMPOSITION OF MATTER COMPRISING (1) AN ETHYLENICALLY UNSATURATED POLYESTER RESIN OBTAINED BY ESTERIFYING AND A,B-ETHYLENICALLY UNSATURATED POLYCARBOXYLIC ACID AND A POLYHYDRIC ALCOHOL, (2) FROM ABOUT 5-20% BY WEIGHT OF A MONOMERIC CROSS-LINKING AGENT FOR (1) CONTAINING A CH2=C< GROUP AND HAVING A BOILING POINT ABOVE 60*C., (3) FROM ABOUT 5-25% BY WEIGHT OF ACRYLONITRILE, AND (4) FROM ABOUT 1-10% BY WEIGHT OF A PENTAVALENT PHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYL PHOSPHATES, ALKYLENE PHOSPHATES ARYL PHOSPHATES AND ALKARYL PHOSPHATES, SAID PERCENTAGES BEING BASED ON THE WEIGHT OF THE TOTAL COMPOSITION.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |