US3063965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyepoxide compositions
Assignee: Union Carbide Corp
•
Filing: 1957-11-25
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Granted: 1962-11-13
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Jr William G Colclough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:14
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G59/00; C08G59/18; C08G59/188; C08G59/40; C08G59/50; C08G59/5046; C08G59/5053; C08G59/508; C08G59/68; C08G59/686
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A POLYEPOXIDE COMPOSITION CONTAINING A POLYEPOXIDE HAVING AN AVERAGE OF MORE THAN ONE EPOXY GROUP PER MOLECULE WHEREIN EACH EPOXY OXYGEN ATOM IS ATTACHED TO VICINAL CARBON ATOMS, AND A LANTENT ACTING CATALYST COMPOSED OF GRANULATED HEXAMETHYLENETETRAMINE COATED WITH A SOILID POLYETHYLENE GLYCOL, SAID COATED CATALYST BEING PRESENT IN SAID COMPOSITION IN AN AMOUNT OF AT LEAST ABOUT 1/10 OF 1 PERCENT BY WEIGHT BASED ON THE WEIGHT IN SAID POLYEPOXIDE.
Claim 2
Dependent Claim
71 words
A POLYEPOXIDE COMPOSITION CONTAINING A POLYEPOXIDE HAVING AN AVERAGE OF MORE THAN ONE EPOXY GROUP PER MOLECULE WHEREIN EACH EPOXY OXYGEN ATOM IS ATTACHED TO VICINAL CARBON ATOMS, AND A LANTENT ACTING CATALYST COMPOSED OF GRANULATED HEXAMETHYLENETETRAMINE COATED WITH A SOILID POLYETHYLENE GLYCOL, SAID COATED CATALYST BEING PRESENT IN SAID COMPOSITION IN AN AMOUNT OF AT LEAST ABOUT 1/10 OF 1 PERCENT BY WEIGHT BASED ON THE WEIGHT IN SAID POLYEPOXIDE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |