US3835101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melt blends of carboxylic acid terminated,low molecular weight polyamide and polyvalent metal compounds
Assignee: Honeywell International Inc
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Filing: 1972-04-13
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Granted: 1974-09-10
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Expires: 1992-04-13
Abstract
Abstract PROCESS FOR OBTAINING A MELT SHAPABLE POLYAMIDE HAVING SUBSTANTIALLY INCREASED SOLUTION AND MELT VISCOSITIES BY MELT REACTING AN ESSENTIALLY NON-MELT-SHAPABLE, LOW MOLECULAR WEIGHT POLYAMIDE WITH SUITABLE POLYVALENT METAL COMPOUNDS CAPABLE OF REACTING WITH AT LEAST ABOUT 80 PERCENT OF THE ACID GROUPS OF THE POLYMER.
Inventors
- 👤 H Oswald
- 👤 K Thiruvillakkat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:57
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |