Patent US3085987A successfully refreshed from Google Patents.
US3085987A
Expired / Lapsed
US
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Linear polyester containing a diaryl ether and process of producing same
Assignee: EIDP Inc
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Filing: 1959-09-21
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Granted: 1963-04-16
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Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Abashian Steven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06; D; D01; D01F; D01F6/00; D01F6/78; D01F6/86; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A SYNTHETIC LINEAR GLYCOL DICARBOXYLATE CONDENSATION POLYESTER HAVING DISSOLVED THEREIN FROM 3% TO 20% BY WEIGHT OF AN AROMATIC ETHER OF THE FORMULA
Claim 2
Dependent Claim
23 words
A SYNTHETIC LINEAR GLYCOL DICARBOXYLATE CONDENSATION POLYESTER HAVING DISSOLVED THEREIN FROM 3% TO 20% BY WEIGHT OF AN AROMATIC ETHER OF THE FORMULA
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |