Patent US2567409A successfully refreshed from Google Patents.
US2567409A
Expired / Lapsed
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High molecular weight fatty acids
Assignee: Colgate Palmolive Co
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Filing: 1947-08-27
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Granted: 1951-09-11
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Expires: 1967-08-27
Abstract
No abstract record available.
Inventors
- 👤 Trent Walter Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:42
CPC Classifications
C; C11; C11C; C11C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD OF STABILIZING FATTY ACIDS WHICH COMPRISES TREATING FATTY ACIDS CONTAINING MINOR AMOUNTS OF POLYOLEFINIC COMPOUNDS AT ELEVATED TEMPERATURE WITH AN ACID ANHYDRIDE HAVING AN ALPHA-BETA-ENAL GROUP IN SUFFICIENT AMOUNT TO REACT WITH SID POLYOLEFINIC COMPOUNDS AND IN THE PRESENCE OF A CATALYST FOR SAID REACTION, AND TERMINATING THE TREATMENT WHEN SAID POLYOLEFINIC COMPOUNDS HAVE REACTED WITH SAID ANHYDRIDE AND BEFORE A SUBSTANTIAL AMOUNT OF MONOOLEFINIC ACIDS HAVE REACTED THEREWITH.
Claim 2
Independent Claim
71 words
A METHOD OF STABILIZING FATTY ACIDS WHICH COMPRISES TREATING FATTY ACIDS CONTAINING MINOR AMOUNTS OF POLYOLEFINIC COMPOUNDS AT ELEVATED TEMPERATURE WITH AN ACID ANHYDRIDE HAVING AN ALPHA-BETA-ENAL GROUP IN SUFFICIENT AMOUNT TO REACT WITH SID POLYOLEFINIC COMPOUNDS AND IN THE PRESENCE OF A CATALYST FOR SAID REACTION, AND TERMINATING THE TREATMENT WHEN SAID POLYOLEFINIC COMPOUNDS HAVE REACTED WITH SAID ANHYDRIDE AND BEFORE A SUBSTANTIAL AMOUNT OF MONOOLEFINIC ACIDS HAVE REACTED THEREWITH.
References Cited (Backward Citations)
US2188882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |