Patent US2636888A successfully refreshed from Google Patents.
US2636888A
Expired / Lapsed
US
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Fractionation of oat oil and use of same
Assignee: Quaker Oats Co
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Filing: 1950-02-15
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Granted: 1953-04-28
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Expires: 1970-02-15
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Washburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:57
CPC Classifications
C; C11; C11B; C11B7/00; C11B7/0008; C11B7/0058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A METHOD OF MAKING AN OAT EXTRACT USEFUL FOR ADDITION TO FOOD PRODUCTS WHICH COMPRISES INTIMATELY CONTACTING OAT OIL WITH AN ETHER-METHANOL SOLVENT, ALLOWING THE MIXTURE TO SEPARATE INTO UPPER AND LOWER LAYERS, SEPARATING SAID UPPER ND LOWER LAYERS, REMOVING SAID ETHER-METHANOL SOLVENT FROM SAID UPPER LAYER, ADDING ACETONE TO THE ETHER-METHANOL EXTRACT WITH COOLING AND THEN SEPARATING THE ACETONE INSOLUBLE PRODUCT FROM SAID ACETONE.
Claim 2
Independent Claim
65 words
A METHOD OF MAKING AN OAT EXTRACT USEFUL FOR ADDITION TO FOOD PRODUCTS WHICH COMPRISES INTIMATELY CONTACTING OAT OIL WITH AN ETHER-METHANOL SOLVENT, ALLOWING THE MIXTURE TO SEPARATE INTO UPPER AND LOWER LAYERS, SEPARATING SAID UPPER ND LOWER LAYERS, REMOVING SAID ETHER-METHANOL SOLVENT FROM SAID UPPER LAYER, ADDING ACETONE TO THE ETHER-METHANOL EXTRACT WITH COOLING AND THEN SEPARATING THE ACETONE INSOLUBLE PRODUCT FROM SAID ACETONE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |