US2970970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising cellulose ester and diisocyanate modified polyester amide
Assignee: Celanese Corp
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Filing: 1958-07-16
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Granted: 1961-02-07
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Expires: 1978-07-16
Abstract
No abstract record available.
Inventors
- 👤 John H Prichard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:31
CPC Classifications
C; C08; C08L; C08L1/00; C08L1/08; C08L1/10; C08L75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A COMPOSITION COMPRISING A RESINOUS ORGANIC ESTER OF CELLULOSE WITH AT LEAST ONE LOWER ALIPHATIC MONOCARBOXYLIC ACID PLASTICIZED WITH FROM 15 TO 25% BASED ON THE WEIGHT OF SAID CELLULOSE ESTER OF A PLASTICIZER COMPRISING A DIISOCYANATE MODIFIED POLYESTER AMIDE, SAID DIISOCYANATE BEING SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENE DIISCYANATE ETHYLENE DIISOCYANATE TRIMETHYLENE DIISOCYANATE, M-PHENYLENE DIISOCYANATE AND CYCLOHEXYLENE DIISOCYANATE, AND SAID POLYESTER AMIDE BEING A REACTION PRODUCT OF A SATURATED DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ADIPIC, SUCCINIC, SEBACIC AND AZELAIC ACIDS, A SATURATED DIHYDRIC ALCOHOL SELECTRD FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, DIETHYLENE GLYCOL AND PROPLENE GLYCOL, AND AN AMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHANOLAMINE, 3-AMINO PROPANOL, DECAMETHYLENE DIAMINE, AND 10-AMINODECANOL.
Claim 2
Dependent Claim
119 words
A COMPOSITION COMPRISING A RESINOUS ORGANIC ESTER OF CELLULOSE WITH AT LEAST ONE LOWER ALIPHATIC MONOCARBOXYLIC ACID PLASTICIZED WITH FROM 15 TO 25% BASED ON THE WEIGHT OF SAID CELLULOSE ESTER OF A PLASTICIZER COMPRISING A DIISOCYANATE MODIFIED POLYESTER AMIDE, SAID DIISOCYANATE BEING SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENE DIISCYANATE ETHYLENE DIISOCYANATE TRIMETHYLENE DIISOCYANATE, M-PHENYLENE DIISOCYANATE AND CYCLOHEXYLENE DIISOCYANATE, AND SAID POLYESTER AMIDE BEING A REACTION PRODUCT OF A SATURATED DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ADIPIC, SUCCINIC, SEBACIC AND AZELAIC ACIDS, A SATURATED DIHYDRIC ALCOHOL SELECTRD FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, DIETHYLENE GLYCOL AND PROPLENE GLYCOL, AND AN AMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHANOLAMINE, 3-AMINO PROPANOL, DECAMETHYLENE DIAMINE, AND 10-AMINODECANOL.
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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |