US3769366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyesterimides from caprolactamtrimellitic anhydride reaction proucts dissolved in unsaturated monomers
Assignee: General Electric Co
•
Filing: 1972-04-13
•
Granted: 1973-10-30
•
Expires: 1992-04-13
Abstract
Abstract SOLVENTLESS ENCAPSULATING VARNISHES CONVERTIBLE TO HARD GLASSY SOLIDS ARE PROVIDED. THE SOLVENTLESS VARNISHES EMPLOY ALIPHATICALLY UNSATURATED ORGANIC DILUENTS, SUCH AS VINYL TOLUENE, IN COMBINATION WITH A CURABLE POLYESTER IMIDE REACTION PRODUCT DERIVED FROM TRIMELLITIC ANHYDRIDE, CAPROLACTAM, A GLYCOL, SUCH AS NEOPENTYL GLYCOL, AND AN ALIPHATICALLY UNSATURATED DICARBOXYLIC ACID OR ANHYDRIDE.
Inventors
- 👤 W Fessler
- 👤 H Wroblewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:29
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/16; C08L; C08L79/00; C08L79/04; C08L79/08; C08L79/085
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |