US3001960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid polyamide composition and process for preparing same
Assignee: Olin Corp
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Filing: 1959-08-31
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Granted: 1961-09-26
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Expires: 1979-08-31
Abstract
No abstract record available.
Inventors
- 👤 Almon G Hovey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:27
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/34; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD OF FORMING A POLYAMIDE OF RELATIVELY HIGH AMINE NUMBER WHICH COMPRISES REACTING A COPOLYMER FORMED AS THE REACTION PRODUCT OF A CONJUGATED ALICYCLIC DIENE MONOMER AND AN ALKALI REFINED NATURAL GLYCERIDE OIL OF POLYUNSATURATED FATTY ACIDS SELECTED FROM THE GROUP HAVING AN IODINE NUMBER IN EXCESS OF 130 AND CONSISTING OF VEGETABLE DRYING OILS, VEGETABLE SEMI-DRYING OILS AND MARINE OILS, WITH AN ALKYLENE POLYAMINE HAVING AT LEAST THREE AMINO NITROGENS AND AT LEAST FOUR CARBONS.
Claim 2
Independent Claim
77 words
THE METHOD OF FORMING A POLYAMIDE OF RELATIVELY HIGH AMINE NUMBER WHICH COMPRISES REACTING A COPOLYMER FORMED AS THE REACTION PRODUCT OF A CONJUGATED ALICYCLIC DIENE MONOMER AND AN ALKALI REFINED NATURAL GLYCERIDE OIL OF POLYUNSATURATED FATTY ACIDS SELECTED FROM THE GROUP HAVING AN IODINE NUMBER IN EXCESS OF 130 AND CONSISTING OF VEGETABLE DRYING OILS, VEGETABLE SEMI-DRYING OILS AND MARINE OILS, WITH AN ALKYLENE POLYAMINE HAVING AT LEAST THREE AMINO NITROGENS AND AT LEAST FOUR CARBONS.
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) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |