US3629364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenolic resin compositions containing polymers of cylic esters
Assignee: Union Carbide Corp
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Filing: 1969-04-01
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Granted: 1971-12-21
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Expires: 1989-04-01
Abstract
Abstract THIS INVENTION RELATES TO PHENOLIC RESIN COMPOSITION, CONTAINING POLYMERS OF CYCLIC ESTERS, WHICH HAVE EXCELLENT MOLD-RELEASE PROPERTIES AND ARE EXCELLENTLY SUITED FOR USE IN MOLDING APPLICATIONS TO FORM SHAPED ARTICLES OF DESIRED CONFIGURATION CHARACTERIZED BY EXCELLENT PHYSICAL PROPERTIES SUCH AS EXCELLENT TOUGHNESS AND EXCELLENT HIGH TEMPERATURE RIGIDITY.
Inventors
- 👤 Anthony C Soldatos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:44
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/04; C08L61/06; C08L67/00; C08L67/04
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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |