US3232896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions containing polyamides derived from 1,4-cyclohexanebismethylamine
Assignee: Eastman Kodak Co
•
Filing: 1963-11-27
•
Granted: 1966-02-01
•
Expires: 1983-11-27
Abstract
No abstract record available.
Inventors
- 👤 Bell Alan
- 👤 James G Smith
- 👤 Charles J Kibler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:46
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/095; C08G; C08G69/00; C08G69/02; C08G69/26; C08J2377/00; C08J2377/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A COATING, SHEET-FORMING AND IMPREGNATING COMPOSITION COMPRISING A SOLUTION CONTAINING FROM 5 TO 30 PERCENT BY WEIGHT OF A POLYAMIDE DERIVED FROM THE INTERACTION OF AT LEAST 75 MOLE PERCENT OF PIMELIC ACID AND UP TO 25 MOLE PERCENT OF AN ALIPHATIC DICARBOXYLIC ACID OF 2-20 ATOMS AND A MIXTURE OF THE CIS AND TRANS ISOMERS OF 1,4-CYCLOHEXANEBISMETHYLAMINE IN WHICH MIXTURE THE CIS ISOMER IS PRESENT TO THE EXTENT OF 60-90 PERCENT AND THE TRANS ISOMER IS PRESENT TO THE EXTENT OF 40-10 PERCENT, DISSOLVED IN AQUEOUS ETHANOL CONTAINING UP TO 25 PERCENT BY VOLUME OF WATER.
Claim 2
Dependent Claim
97 words
A COATING, SHEET-FORMING AND IMPREGNATING COMPOSITION COMPRISING A SOLUTION CONTAINING FROM 5 TO 30 PERCENT BY WEIGHT OF A POLYAMIDE DERIVED FROM THE INTERACTION OF AT LEAST 75 MOLE PERCENT OF PIMELIC ACID AND UP TO 25 MOLE PERCENT OF AN ALIPHATIC DICARBOXYLIC ACID OF 2-20 ATOMS AND A MIXTURE OF THE CIS AND TRANS ISOMERS OF 1,4-CYCLOHEXANEBISMETHYLAMINE IN WHICH MIXTURE THE CIS ISOMER IS PRESENT TO THE EXTENT OF 60-90 PERCENT AND THE TRANS ISOMER IS PRESENT TO THE EXTENT OF 40-10 PERCENT, DISSOLVED IN AQUEOUS ETHANOL CONTAINING UP TO 25 PERCENT BY VOLUME OF WATER.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |