US2589097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retardation of development of reversion flavor in hydrogenated fats and oils
Assignee: Procter and Gamble Co
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Filing: 1947-06-19
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Granted: 1952-03-11
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Expires: 1967-06-19
Abstract
No abstract record available.
Inventors
- 👤 Lange Willy
- 👤 Robert G Folzenlogen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/12; C11C3/123; C11B; C11B3/00; C11B3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROCESS OF RETARDING THE DEVELOPMENT OF REVERSION FLAVOR IN A REVERTIBLE ALKALI REFINED, FILTERED, AND HYDROGENATED FATTY GLYCERIDE OIL WHICH BEFORE HYDROGENATION CONTAINS COMBINED FATTY ACIDS WITH MORE THAN TWO DOUBLE BONDS IN NON-CONJUGATED POSITION, WHICH COMPRISES CONTACTING THE ALKALI REFINED AND FILTERED LIQUID OIL PRIOR TO HYDROGENATION AND IN THE SUBSTANTIAL ABSENCE OF OXYGEN WITH AT LEAST ONE SOLID MATERIAL IN PARTICULATE FORM AND OF THE GROUP CONSISTING OF ACTIVATED ALUMINA, ACTIVE ALUMINUM SILICATE, CALCIUM HYDROXIDE, CALCIUM OXIDE, AND ZINC OXIDE SEPARATING SAID SOLID MATERIAL FROM THE TREATED OIL, AND HYDROGENATING THE TREATED AND SEPARATED OIL BEFORE SAID OIL HAS SUBSTANTIAL CONTACT WITH OXYGEN.
Claim 2
Dependent Claim
106 words
A PROCESS OF RETARDING THE DEVELOPMENT OF REVERSION FLAVOR IN A REVERTIBLE ALKALI REFINED, FILTERED, AND HYDROGENATED FATTY GLYCERIDE OIL WHICH BEFORE HYDROGENATION CONTAINS COMBINED FATTY ACIDS WITH MORE THAN TWO DOUBLE BONDS IN NON-CONJUGATED POSITION, WHICH COMPRISES CONTACTING THE ALKALI REFINED AND FILTERED LIQUID OIL PRIOR TO HYDROGENATION AND IN THE SUBSTANTIAL ABSENCE OF OXYGEN WITH AT LEAST ONE SOLID MATERIAL IN PARTICULATE FORM AND OF THE GROUP CONSISTING OF ACTIVATED ALUMINA, ACTIVE ALUMINUM SILICATE, CALCIUM HYDROXIDE, CALCIUM OXIDE, AND ZINC OXIDE SEPARATING SAID SOLID MATERIAL FROM THE TREATED OIL, AND HYDROGENATING THE TREATED AND SEPARATED OIL BEFORE SAID OIL HAS SUBSTANTIAL CONTACT WITH OXYGEN.
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) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |