US3386964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terpolymers of epsilon-caprolactam, mu-xylylenediamine, and a dicarboxylic acid
Assignee: Honeywell International Inc
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Filing: 1963-12-19
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Granted: 1968-06-04
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Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 Ian C Twilley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:52
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A LINEAR RANDOM INTERPOLYMER OF 75% TO 95% BY WEIGHT E-CAPROLACTAM, AND ESSENTIALLY EQUIMOLAR PROPORTIONS OF M-XYLYLENEDIAMINE AND A LINEAR ALIPHATIC DICARBOXYLIC ACID HAVING SEVEN TO TEN CARBON ATOMS IN THE CHAIN.
Claim 2
Dependent Claim
32 words
A LINEAR RANDOM INTERPOLYMER OF 75% TO 95% BY WEIGHT E-CAPROLACTAM, AND ESSENTIALLY EQUIMOLAR PROPORTIONS OF M-XYLYLENEDIAMINE AND A LINEAR ALIPHATIC DICARBOXYLIC ACID HAVING SEVEN TO TEN CARBON ATOMS IN THE CHAIN.
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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |