Patent US2663719A successfully refreshed from Google Patents.
US2663719A
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Method for the continuous alkali refining of vegetable oils
Assignee: Sharples Corp
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Filing: 1950-04-18
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Granted: 1953-12-22
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Expires: 1970-04-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur U Ayres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:51
CPC Classifications
C; C11; C11B; C11B3/00; C11B3/02; C11B3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS FOR THE REFINING OF A FATTY OIL CONTAINING FREE FATTY ACID WHICH COMPRISES COMBINING A STREAM OF SAID OIL AND A STREAM OF AQUEOUS CAUSTIC SODA SOLUTION OF AT LEAST 20* BE. IN MEASURED QUANTITY SUCH THAT THE PORPORTION OF CAUSTIC SODA ADDED TO SAID OIL IS SUBSTANTIALLY STOICHIOMETRICALLY EQUIVALENT TO THE FREE FATTY ACID ORIGINALLY PRESENT IN SAID OIL, MAINTAINING SAID COMBINED STREAMS OF OIL AND CAUSTIC IN MIXED STATE UNDER TEMPERATURE CONDITIONS BETWEEN APPROXIMATELY 140* F. AND 160* F. AND ALSO UNDER CONDITIONS SUCH THAT THE CONTACT TIME DOES NOT SUBSTANTIALLY EXCEED FIVE SECONDS TO FORM SOAP STOCK IN NON-AGGLOMERATED CONDITION, AND THEN IMMEDIATELY SEPARATING SAID OIL FROM THE SOAP STOCK FORMED AS A RESULT OF SAID TREATMENT.
Claim 2
Dependent Claim
122 words
A PROCESS FOR THE REFINING OF A FATTY OIL CONTAINING FREE FATTY ACID WHICH COMPRISES COMBINING A STREAM OF SAID OIL AND A STREAM OF AQUEOUS CAUSTIC SODA SOLUTION OF AT LEAST 20* BE. IN MEASURED QUANTITY SUCH THAT THE PORPORTION OF CAUSTIC SODA ADDED TO SAID OIL IS SUBSTANTIALLY STOICHIOMETRICALLY EQUIVALENT TO THE FREE FATTY ACID ORIGINALLY PRESENT IN SAID OIL, MAINTAINING SAID COMBINED STREAMS OF OIL AND CAUSTIC IN MIXED STATE UNDER TEMPERATURE CONDITIONS BETWEEN APPROXIMATELY 140* F. AND 160* F. AND ALSO UNDER CONDITIONS SUCH THAT THE CONTACT TIME DOES NOT SUBSTANTIALLY EXCEED FIVE SECONDS TO FORM SOAP STOCK IN NON-AGGLOMERATED CONDITION, AND THEN IMMEDIATELY SEPARATING SAID OIL FROM THE SOAP STOCK FORMED AS A RESULT OF SAID TREATMENT.
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |