US3396148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
9, 10-bis (hydroxymethyl)-s-octahydroanthracene, its derivatives and polyester resins therefrom
Assignee: United States Steel Corp
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Filing: 1963-01-23
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Granted: 1968-08-06
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Expires: 1983-01-23
Abstract
No abstract record available.
Inventors
- 👤 Kolobielski Marjan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
C; C08; C08G; C08G64/00; C08G64/04; C08G64/06; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/199
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
A POLYESTER RESIN COMPRISING A POLYCONDENSATION PRODUCT OF EQUIMOLAR AMOUNTS OF 9,10-ABIS(ACETOXYMETHYL)-SOCTAHYDROANTHRACENE AND A SATURATED C2 TO C10 DICARBOXYLIC ACID.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |