US3363026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resin containing a curing catalyst mixture of a polymercaptan and a fused ringamine
Assignee: Celanese Coatings Co
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Filing: 1966-02-07
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Granted: 1968-01-09
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Gene E Schroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:46
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/686; C08G59/40; C08G59/50; C08G59/56; C08G59/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A CATALYZED EPOXY RESINOUS COMPOSITION CAPABLE OF RAPIDLY CURING IN THE FORM OF A FILM AT RELATIVELY LOW TEMPERATURES WHICH COMPRISES (A) A LINEAR POLYMERIC GLYCIDYL POLYETHER HAVING, ON THE AVERAGE, MORE THAN ONE 1, 2-EPOXY GROUP PER MOLECULE, AND (B) A CURING CATALYST FOR SAID POLYETHER COMPRISING (1) FROM ABOUT 0.4 TO ABOUT 2 EQUIVALENTS, PER EPOXIDE EQUIVALENT PRESENT, OF A POLYMERCAPTAN, (2) FROM ABOUT 0.5 TO ABOUT 5 PARTS BY WEIGHT, PER 100 PARTS OF SAID (A), OF A BICYCLIC FUSED RING AMINE CONTAINING ONLY CARBON, HYDROGEN AND NITROGEN AND HAVING A NITROGEN ATOM IN AT LEAST ONE OF THE BRIDGEHEAD POSITIONS, SAID NITROGEN ATOM BEING CONNECTED TO THREE DIFFERENT SATURATED CARBON ATOMS AND BEARING AN UNSHARED PAIR OF ELECTRONS, AND (3) FROM 0 TO ABOUT 30 PARTS BY WEIGHT, PER 100 PARTS OF SAID (A), OF A TERTIARY AMINE HAVING NO BRIDGED ATOMS IN ITS STRUCTURE AND HAVING AT LEAST ONE TERTIARY AMINO GROUP WHICH IS NOT PART OF A POLYCYCLIC RING SYSTEM.
Claim 2
Dependent Claim
166 words
A CATALYZED EPOXY RESINOUS COMPOSITION CAPABLE OF RAPIDLY CURING IN THE FORM OF A FILM AT RELATIVELY LOW TEMPERATURES WHICH COMPRISES (A) A LINEAR POLYMERIC GLYCIDYL POLYETHER HAVING, ON THE AVERAGE, MORE THAN ONE 1, 2-EPOXY GROUP PER MOLECULE, AND (B) A CURING CATALYST FOR SAID POLYETHER COMPRISING (1) FROM ABOUT 0.4 TO ABOUT 2 EQUIVALENTS, PER EPOXIDE EQUIVALENT PRESENT, OF A POLYMERCAPTAN, (2) FROM ABOUT 0.5 TO ABOUT 5 PARTS BY WEIGHT, PER 100 PARTS OF SAID (A), OF A BICYCLIC FUSED RING AMINE CONTAINING ONLY CARBON, HYDROGEN AND NITROGEN AND HAVING A NITROGEN ATOM IN AT LEAST ONE OF THE BRIDGEHEAD POSITIONS, SAID NITROGEN ATOM BEING CONNECTED TO THREE DIFFERENT SATURATED CARBON ATOMS AND BEARING AN UNSHARED PAIR OF ELECTRONS, AND (3) FROM 0 TO ABOUT 30 PARTS BY WEIGHT, PER 100 PARTS OF SAID (A), OF A TERTIARY AMINE HAVING NO BRIDGED ATOMS IN ITS STRUCTURE AND HAVING AT LEAST ONE TERTIARY AMINO GROUP WHICH IS NOT PART OF A POLYCYCLIC RING SYSTEM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |