Patent US3049506A successfully refreshed from Google Patents.
US3049506A
Expired / Lapsed
US
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Low molecular weight polyesters of 1, 4-cyclohexanedimethanol and polyvinyl chlorideplasticized therewith
Assignee: Eastman Kodak Co
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Filing: 1959-06-29
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Granted: 1962-08-14
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Expires: 1979-06-29
Abstract
No abstract record available.
Inventors
- 👤 Charles J Kibler
- 👤 James G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:08
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/20; C08G63/18; C08G63/199; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L67/00; C08L67/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
LINEAR CHAIN-TERMINATED CONDENSATION POLYMERS OF (A) AT LEAST ONE DIBASIC DICARBOXYLIC ACID, (B) AT LEAST ONE BIFUNCTIONAL DIHYDROXY COMPOUND, AND (C) AT LEAST ONE MEMBER HAVING NO AMINO SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF MONOBASIC MONOCARBOXYLIC ACIDS AND MONOHYDRIC ALCOHOLS, THE RELATIVE PROPORTIONS OF (A), (B) AND (C) CONSTITUENTS BEING SUCH AS TO CONSTITUTE A POLYMER HAVING A MOLECULAR WEIGHT OF FROM ABOUT 800 TO 4,000 IN WHICH AT LEAST 50 MOLE PERCENT OF SAID CONSTITUENT (B) CONSISTS OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF THE CIS AND TRANSISOMERS OF 1,4-CYCLOHEXANEDIMETHANOL. 10, PLASTICIZED POLYVINYL CHLORIDE CONTAINING A POLYMER AS DEFINED BY CLAIM 1.
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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |