Patent US3268468A successfully refreshed from Google Patents.
US3268468A
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Epoxide compositions comprising an epoxide resin, a curing agent for said resin and a neutral ester of trivalent phosphorus acid having at least one carbon to phosphorus ond
Assignee: Monsanto Co
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Filing: 1959-02-12
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Granted: 1966-08-23
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Expires: 1979-02-12
Abstract
No abstract record available.
Inventors
- 👤 Henry D Barnstorff
- 👤 David H Chadwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5393; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4071; C08K5/5398
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
AN IMPROVED EPOXIDE COMPOSITION SUITABLE FOR USE IN FORMING CURED RESINOUS PRODUCTS COMPRISING AN EPOXIDE RESIN CONTAINING AT LEAST ONE 1,2-EPOXY GROUP, A CURING AGENT FOR SAID EPOXIDE RESIN AND FROM ABOUT 2 TO ABOUT 200 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF RESIN OF A PHOSPHORUS ACID ESTER HAVING THE STRUCTURE:
Claim 2
Dependent Claim
54 words
AN IMPROVED EPOXIDE COMPOSITION SUITABLE FOR USE IN FORMING CURED RESINOUS PRODUCTS COMPRISING AN EPOXIDE RESIN CONTAINING AT LEAST ONE 1,2-EPOXY GROUP, A CURING AGENT FOR SAID EPOXIDE RESIN AND FROM ABOUT 2 TO ABOUT 200 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF RESIN OF A PHOSPHORUS ACID ESTER HAVING THE STRUCTURE:
References Cited (Backward Citations)
US2732367A
Cited
US2686771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |