Patent US2700036A successfully refreshed from Google Patents.
US2700036A
Expired / Lapsed
US
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Fractionation of fatty acid glycerides
Assignee: Shell Development Co
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Filing: 1950-03-13
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Granted: 1955-01-18
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Expires: 1970-03-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Bradley
- 👤 Albert C Mueller
- 👤 Edward C Shokal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:52
CPC Classifications
C; C11; C11B; C11B7/00; C11B7/0008; C11B7/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS FOR THE SEPARATION OF MONOGLYCERIDES OF SOYA BEAN OIL FATTY ACIDS INTO A FRACTION A OF RELATIVELY LOW IODINE NUMBER AND A FRACTION B OF RELATIVELY HIGH IODINE NUMBER WHICH COMPRISES CONTACTING A METHYL ALCOHOLIC SOLUTION OF SAID MIXTURE WITH A METHYL ALCOHOLIC SOLUTION OF UREA AT A TEMPERATURE OF 10 TO 45* C. FOR A PERIOD OF 10 TO 300 MINUTES, WHEREBY FRACTION A MONOGLYCERIDES FORM CRYSTALLINE COMPLEXES WITH UREA AND FRACTION B REMAINS IN SOLUTION IN METHYL ALCOHOL, AND SUBSEQUENTLY SEPARATING THE SOLUTION OF FRACTION B FROM THE CRYSTALLINE COMPLEXES OF FRACTION A.
Claim 2
Dependent Claim
97 words
A PROCESS FOR THE SEPARATION OF MONOGLYCERIDES OF SOYA BEAN OIL FATTY ACIDS INTO A FRACTION A OF RELATIVELY LOW IODINE NUMBER AND A FRACTION B OF RELATIVELY HIGH IODINE NUMBER WHICH COMPRISES CONTACTING A METHYL ALCOHOLIC SOLUTION OF SAID MIXTURE WITH A METHYL ALCOHOLIC SOLUTION OF UREA AT A TEMPERATURE OF 10 TO 45* C. FOR A PERIOD OF 10 TO 300 MINUTES, WHEREBY FRACTION A MONOGLYCERIDES FORM CRYSTALLINE COMPLEXES WITH UREA AND FRACTION B REMAINS IN SOLUTION IN METHYL ALCOHOL, AND SUBSEQUENTLY SEPARATING THE SOLUTION OF FRACTION B FROM THE CRYSTALLINE COMPLEXES OF FRACTION A.
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) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |