US3728306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising an epoxy resin with an organostannoic acid-carboxylic acid anhydride reaction product
Assignee: General Electric Co
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Filing: 1971-07-27
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Granted: 1973-04-17
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Expires: 1991-07-27
Abstract
Abstract EPOXY RESINS CURED WITH ORGANOSTANNOIC ACID-CARBOXYLIC ACID ANHYDRIDE REACTION PRODUCTS PROVIDE RAPID LOW-TEMPERATURE CURING OF EPOXY RESINS WHICH ARE CHARACTERIZED BY GOOD ELECTRICAL AND PHYSICAL PROPERTIES INCLUDING CORONA RESISTANCE.
Inventors
- 👤 M Markovitz
- 👤 L Kohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:42
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4292
Claims Analysis
Total Claims: 0
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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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |