Patent US2847433A successfully refreshed from Google Patents.
US2847433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of saturated and unsaturated fatty acids
Assignee: JBS USA LLC
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Filing: 1956-02-01
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Granted: 1958-08-12
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Expires: 1976-02-01
Abstract
No abstract record available.
Inventors
- 👤 John L Ohlson
- 👤 Charles S Steiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:18
CPC Classifications
C; C11; C11C; C11C1/00; C11C1/007; C07; C07C; C07C51/00; C07C51/42; C07C51/487
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD FOR THE SEPARATION OF SATURATED FATTY ACIDS CONTAINING STERIC ACID HAVING IMPROVED COLOR AND COLOR STABILITY FROM A MIXTURE OF SATURATED AND UNSATURATED FATTY ACIDS WHICH COMPRISES: REACTING SAID MIXTURE OF SATURATED AND UNSATURATED FATTY ACIDS WITH AN OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF CHROMIC ACID, NITRIC ACID, POTASSIU, PERMAGNATE, PERACETIC ACID, PER-I BENZOIC ACID, AND MONOPERPHTHALIC ACID, AND CONTACTING SAID MIXTURE WITH A LIQUEFIED NORMALLY GASEOUS HYDROCARBON TO SELECTIVELY DISSOLVE SAID SATURATED ACID FREE FROM THE OXIDEZED ACIDS AND COLOR BODIES.
Claim 2
Independent Claim
86 words
A METHOD FOR THE SEPARATION OF SATURATED FATTY ACIDS CONTAINING STERIC ACID HAVING IMPROVED COLOR AND COLOR STABILITY FROM A MIXTURE OF SATURATED AND UNSATURATED FATTY ACIDS WHICH COMPRISES: REACTING SAID MIXTURE OF SATURATED AND UNSATURATED FATTY ACIDS WITH AN OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF CHROMIC ACID, NITRIC ACID, POTASSIU, PERMAGNATE, PERACETIC ACID, PER-I BENZOIC ACID, AND MONOPERPHTHALIC ACID, AND CONTACTING SAID MIXTURE WITH A LIQUEFIED NORMALLY GASEOUS HYDROCARBON TO SELECTIVELY DISSOLVE SAID SATURATED ACID FREE FROM THE OXIDEZED ACIDS AND COLOR BODIES.
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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |