US2970910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing lecithin products from soapstocks
Assignee: Individual
•
Filing: 1955-07-14
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Granted: 1961-02-07
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Expires: 1975-07-14
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Thurman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:08
CPC Classifications
C; C11; C11B; C11B3/00; C11B3/02; C11B3/06; A; A23; A23J; A23J7/00; C11B13/00; C11B13/02; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/74; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PROCESS FOR REFINING CRUDE GLYCERIDE OILS CONTAINING NUTRITIVE PHOSPHATIDES, WHICH PROCESS INCLUDES THE STEPS OF: MIXING SUCH GLYCERIDE OIL WITH A NON-SAPONIFYING ALKALI AND SEPARATING THE MIXTURE INTO A REFINED OIL AND A SOAPSTOCK CONTAINING SAID PHOPHATIDES, TREATING SAID SOAPSTOCK WITH A MINERAL ACID AT TEMPERATURES AND PRESSURE INSUFFICIENT SUBSTANTIALLY TO SPLIT OR CHAR SAID PHOPHATIDES. THE AMOUT OF MINERAL ACID BEING ONLY SUFFICIENT TO BRING TH PH OF THE SOAPSTOCK TO A VALUE OF ABOUT PH 5-8, AND SEPARATING THE ACID TREATED SOAPSTOCK INTO A VOLUME OF AQUEOUS MATERIAL AND VOLUME OF A LECITHIN PRODUCT COMPRISING FREE OIL, FATTY ACIDS AND HYDRATED PHOSPHATIDES FROM THE GLYCERIDE OIL STILL IN NUTRITIVE STATE.
Claim 2
Dependent Claim
113 words
A PROCESS FOR REFINING CRUDE GLYCERIDE OILS CONTAINING NUTRITIVE PHOSPHATIDES, WHICH PROCESS INCLUDES THE STEPS OF: MIXING SUCH GLYCERIDE OIL WITH A NON-SAPONIFYING ALKALI AND SEPARATING THE MIXTURE INTO A REFINED OIL AND A SOAPSTOCK CONTAINING SAID PHOPHATIDES, TREATING SAID SOAPSTOCK WITH A MINERAL ACID AT TEMPERATURES AND PRESSURE INSUFFICIENT SUBSTANTIALLY TO SPLIT OR CHAR SAID PHOPHATIDES. THE AMOUT OF MINERAL ACID BEING ONLY SUFFICIENT TO BRING TH PH OF THE SOAPSTOCK TO A VALUE OF ABOUT PH 5-8, AND SEPARATING THE ACID TREATED SOAPSTOCK INTO A VOLUME OF AQUEOUS MATERIAL AND VOLUME OF A LECITHIN PRODUCT COMPRISING FREE OIL, FATTY ACIDS AND HYDRATED PHOSPHATIDES FROM THE GLYCERIDE OIL STILL IN NUTRITIVE STATE.
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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |