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US3379653A
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US
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Cold-curable mixtures of cycloaliphatic polyepoxides and curing agents
Assignee: BASF Schweiz AG
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Filing: 1964-10-06
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Granted: 1968-04-23
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Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Ernst Otto
- 👤 Lehmann Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:03
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145; C08G59/18; C08G59/40; C08G59/4007; C08G59/4078; C08G59/68; C08G59/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3112294A
Cited
US3004952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |