Patent US3734901A successfully refreshed from Google Patents.
US3734901A
Expired / Lapsed
US
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Defatted soybean fractionation by solvent extraction
Assignee: Central Soya Co Inc
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Filing: 1970-09-28
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Granted: 1973-05-22
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Expires: 1990-09-28
Abstract
Abstract SOYA PROTEIN CONCENTRATES ARE PREPARED BY REMOVING RESIDUAL LIPID AND WATER-SOLUBLE CONSTITUENTS FROM DEFATTED SOYBEAN FLAKES. THE RESIDUAL LIPIDS ARE INITIALLY EXTRACTED FROM THE SOYBEAN FLAKES WITH A HYDROCARBON-MONOHYDRIC ALCOHOL SOLVENT FOLLOWED BY AQUEOUS EXTRACTION OF THE WATER-SOLUBLE CONSTITUENTS. A HIGH LECITHIN-CONTAINING OIL IS OBTAINED BY ADMIXING THE RESULTANT LIPID MISCELLA AND AQUEOUS MISCELLA AND THEN EFFECTUATING AN OIL PHASE SEPRATION FROM THE ADMIXTURE.
Inventors
- 👤 L Hayes
- 👤 R Simms
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:06
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/14; A23J1/142; C; C11; C11B; C11B1/00; C11B1/10
Claims Analysis
Total Claims: 0
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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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |