US3741928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxide molding compositions containing meta-tolylene diamine and a silicious filler
Assignee: Union Carbide Corp
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Filing: 1971-07-21
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Granted: 1973-06-26
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Expires: 1991-07-21
Abstract
Abstract THE DISCLOSURE OF THIS APPLICATION IS DIRECTED TO EPOXIDE MOLDING COMPOSITIONS, CONTAINING M-TOLYLENEDIAMINE AND A SILICIOUS FILLER, WHICH HAVE EXCELLENT SHELF LIFE AND CAN BE MOLDED INTO SHAPED ARTICLES CHARACTERIZED BY EXCELLENT PROPERTIES.
Inventors
- 👤 G Salensky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:56
CPC Classifications
F; F01; F01K; F01K7/00; F01K7/02; F01K7/025; C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5033; C08K; C08K3/00; C08K3/34; C08K3/36
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) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |