US2631157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fractionation of triglycerides
Assignee: Chemical Foundation Inc
•
Filing: 1946-01-10
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Granted: 1953-03-10
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Expires: 1966-01-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Hixson
- 👤 Miller Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:47
CPC Classifications
C; C11; C11B; C11B7/00; C11B7/0008; C11B7/0016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A METHOD OF TREATING AN UNBODIED FATTY OIL CONTAINING A MIXTURE OF RELATIVELY SATURATED AND RELATIVELY UNSATURATED TRIGLYCERIDES, THE MOLECULAR WEIGHTS OF WHICH ALL FALL WITHIN A RELATIVELY SMALL RANGE, TO OBTAIN AN OIL FRACTION ENRICHED IN UNSATURATED TRIGLYCERIDES WHICH COMPRISES CONTACTING SAID OIL WITH A LIQUEFIED, NORMALLY GASEOUS HYDROCARBON SOLVENTS, THE RATIO OF LIQUEFIED, NORMALLY GASEOUS HYDROCARBON SOLVENT TO OIL AND THE CONTACTING TEMPERATURE BEING SELECTED TO FORM TWO IMMISCIBLE LIQUID PHASES DIFFERING IN DENSITY SAID TEMPERATURE BEING HIGHER THAN THE HIGHEST TEMPERATURE AT WHICH THE UNBODIED FATTY OIL AND THE SOLVENT ARE COMPLETELY MISCIBLE AT THE SELECTED RATIO; THE LESS DENSE PHASE CONTAINING THE BULK OF THE SOLVENT AND A PORTION OF THE FATTY OIL ENRICHED IN RELATIVELY SATURATED TRIGLYCERIDES AND THE MORE DENSE PHASE CONTAINING THE REMINDER OF THE SOLVENT AND FATTY OIL SAID REMAINING PORTION OF THE FATTY OIL BEING ENRICHED IN RELATIVELY UNSATURATED TRIGLYCERIDES, SEPARATING THE LESS DENSE PHASE FROM THE MORE DENSE PHASE AND REMOVING THE SOLVENT CONTAINED IN THE MORE DENSE PHASE TO RECOVER AN OIL FRACTION ENRICHED IN RELATIVELY UNSATURATED TRIGLYCERIDES.
Claim 2
Independent Claim
179 words
A METHOD OF TREATING AN UNBODIED FATTY OIL CONTAINING A MIXTURE OF RELATIVELY SATURATED AND RELATIVELY UNSATURATED TRIGLYCERIDES, THE MOLECULAR WEIGHTS OF WHICH ALL FALL WITHIN A RELATIVELY SMALL RANGE, TO OBTAIN AN OIL FRACTION ENRICHED IN UNSATURATED TRIGLYCERIDES WHICH COMPRISES CONTACTING SAID OIL WITH A LIQUEFIED, NORMALLY GASEOUS HYDROCARBON SOLVENTS, THE RATIO OF LIQUEFIED, NORMALLY GASEOUS HYDROCARBON SOLVENT TO OIL AND THE CONTACTING TEMPERATURE BEING SELECTED TO FORM TWO IMMISCIBLE LIQUID PHASES DIFFERING IN DENSITY SAID TEMPERATURE BEING HIGHER THAN THE HIGHEST TEMPERATURE AT WHICH THE UNBODIED FATTY OIL AND THE SOLVENT ARE COMPLETELY MISCIBLE AT THE SELECTED RATIO; THE LESS DENSE PHASE CONTAINING THE BULK OF THE SOLVENT AND A PORTION OF THE FATTY OIL ENRICHED IN RELATIVELY SATURATED TRIGLYCERIDES AND THE MORE DENSE PHASE CONTAINING THE REMINDER OF THE SOLVENT AND FATTY OIL SAID REMAINING PORTION OF THE FATTY OIL BEING ENRICHED IN RELATIVELY UNSATURATED TRIGLYCERIDES, SEPARATING THE LESS DENSE PHASE FROM THE MORE DENSE PHASE AND REMOVING THE SOLVENT CONTAINED IN THE MORE DENSE PHASE TO RECOVER AN OIL FRACTION ENRICHED IN RELATIVELY UNSATURATED TRIGLYCERIDES.
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) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |