US3678006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable polyphenylene copolymers and resin compositions
Assignee: Raytheon Co
•
Filing: 1971-01-07
•
Granted: 1972-07-18
•
Expires: 1991-01-07
Abstract
Abstract AN IMPROVED NEW CLASS OF POLYPHENYLENE COPOLYMERS, TERPOLYMERS AND QUATERPOLYMERS MODIFIED WITH AN ALKYL AND/OR ARYL PHENOLIC COMPOUND AND/OR AROMATIC AMINE CURABLE TO USEFUL COATING, BONDING AND MOLDED RESINS WITH CURING AGENTS GENERALLY APPLICABLE TO PHENOLIC RESINS.
Inventors
- 👤 Norman Bilow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:24
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/10; C08L; C08L65/00; C08L65/02; C08G2261/00; C08G2261/30; C08G2261/31; C08G2261/312
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |