US3790532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel cured epoxy resin composition
Assignee: Mitsubishi Chemical Corp
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Filing: 1971-08-02
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Granted: 1974-02-05
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Expires: 1991-08-02
Abstract
Abstract A CURED EPOXY RESIN COMPOSITION IS PREPARED BY CURING AN ESTER OF DICARBOXYLIC ACID CONTAINING EPOXY RADICALS. THE CURED EPOXY RESIN COMPOSITION HAS HIGH TRACKING RESISTANCE, GOOD ARC RESISTANCE, AND HIGH IMPACT STRENGTH AND IS PARTICULARLY USEFUL FOR CASTING OF ELECTRICAL PARTS.
Inventors
- 👤 M Tokizawa
- 👤 H Fukutani
- 👤 H Okada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:55
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/02; C08G59/12; C08G59/24
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) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |