Patent US3270089A successfully refreshed from Google Patents.
US3270089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame-retardant compounds as crosslinking monomers
Assignee: Monsanto Co
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Filing: 1963-06-11
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Granted: 1966-08-30
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Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 James C Wygant
- 👤 Richard M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:27
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PROCESS FOR CROSS-LINKING POLYESTERS WHICH COMPRISES CURING A POLY CONDENSATION UNSATURATED POLYESTER OF A POLYBASIC COMPOUND AND A POLYHYDRIC ALCOHOL, WHICH AT LEAST ONE OF SAID POLYBASIC COMPOUND AND POLYHYDRIC ALCOHOL HAVING CARBON-TO-CARBON UNSATURATION WITH A (1,2,3,4,7,7 - HEXAHALOBICYCLO-(2.2.1)-2-HEPTENYL-5) VINYL ETHER.
Claim 2
Dependent Claim
42 words
A PROCESS FOR CROSS-LINKING POLYESTERS WHICH COMPRISES CURING A POLY CONDENSATION UNSATURATED POLYESTER OF A POLYBASIC COMPOUND AND A POLYHYDRIC ALCOHOL, WHICH AT LEAST ONE OF SAID POLYBASIC COMPOUND AND POLYHYDRIC ALCOHOL HAVING CARBON-TO-CARBON UNSATURATION WITH A (1,2,3,4,7,7 - HEXAHALOBICYCLO-(2.2.1)-2-HEPTENYL-5) VINYL ETHER.
References Cited (Backward Citations)
US2795619A
Cited
US3110694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |