Patent US2692886A successfully refreshed from Google Patents.
US2692886A
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Process for improving unsaturated fatty acids or derivatives thereof
Assignee: Lever Brothers Co
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Filing: 1950-08-22
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Granted: 1954-10-26
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Expires: 1970-08-22
Abstract
No abstract record available.
Inventors
- 👤 Johan Jacobus Albert Blekkingh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:28
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PROCESS FOR IMPROVING A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF UNSATURATED FATTY ACIDS AND DERIVATIVES THEREOF, WHICH PROCESS COMPRISES HEATING SAID SUBSTANCE IN AN INERT ATMOSPHERE TO A TEMPERATURE NOT EXCEEDING 140* C. WITH A CATALYST SELECTED FROM THE GROUP CONSISTING OF COBALT AND NICKEL, AND CONTAINING A SILICATE OF ONE OF SAID METALS AND A SMALL PROPORTION OF SULPHUR SAID CATALYST HAVING BEEN PREPARED BY REDUCTION OF A COMPOUND OF ONE OF SAID MATALS.
Claim 2
Dependent Claim
77 words
A PROCESS FOR IMPROVING A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF UNSATURATED FATTY ACIDS AND DERIVATIVES THEREOF, WHICH PROCESS COMPRISES HEATING SAID SUBSTANCE IN AN INERT ATMOSPHERE TO A TEMPERATURE NOT EXCEEDING 140* C. WITH A CATALYST SELECTED FROM THE GROUP CONSISTING OF COBALT AND NICKEL, AND CONTAINING A SILICATE OF ONE OF SAID METALS AND A SMALL PROPORTION OF SULPHUR SAID CATALYST HAVING BEEN PREPARED BY REDUCTION OF A COMPOUND OF ONE OF SAID MATALS.
References Cited (Backward Citations)
US2553429A
Cited
US2468799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |