US3218307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing soybean proteinate
Assignee: Individual
•
Filing: 1961-08-01
•
Granted: 1965-11-16
•
Expires: 1981-08-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Eldridge
- 👤 Arlo M Nash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:57
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/06; A; A23; A23J; A23J3/00; A23J3/14; A23J3/16; Y; Y10; Y10S; Y10S516/00; Y10S516/924; Y10S516/928
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
114 words
THE SOYBEAN PROTEINATE PRODUCED BY TREATING, WITH AN ALIPHATIC ALKANOL FROM THE GROUP CONSISTING OF METHANOL, ETHANOL, AND ISOPROPANOL, THE ISOELECTRICALLY PRECIPITATED PROTEIN FRACTION FROM A SOLUTION OBTAINED BY EXTRACTING A HEXANE-EXTRACTED SOYBEAN MEAL WITH A MEMBER OF THE GROUP CONSISTING OF WATER AND AQUEOUS ALKALI, SAID METHANOL BEING IN A CONCENTRATION OF ABOUT FROM 80 TO 100% BY VOLUME, SAID ETHANOL BEING IN A CONCENTRATION OF ABOUT FROM 60 TO 95% BY VOLUME, AND SAID ISOPROPANOL BEING IN A CONCENTRATION OF ABOUT FROM 40 TO 95% BY VOLUME, DRYING THE PRECIPITATE TO REMOVE THE ALKANOL, DISPERSING THE DRY MATERIAL IN ALKALI AT ABOUT PH 7.5, CENTRIFUGING AND FREEZE-DRYING TO OBTAIN THE FINAL PRODUCT.
Claim 2
Dependent Claim
114 words
THE SOYBEAN PROTEINATE PRODUCED BY TREATING, WITH AN ALIPHATIC ALKANOL FROM THE GROUP CONSISTING OF METHANOL, ETHANOL, AND ISOPROPANOL, THE ISOELECTRICALLY PRECIPITATED PROTEIN FRACTION FROM A SOLUTION OBTAINED BY EXTRACTING A HEXANE-EXTRACTED SOYBEAN MEAL WITH A MEMBER OF THE GROUP CONSISTING OF WATER AND AQUEOUS ALKALI, SAID METHANOL BEING IN A CONCENTRATION OF ABOUT FROM 80 TO 100% BY VOLUME, SAID ETHANOL BEING IN A CONCENTRATION OF ABOUT FROM 60 TO 95% BY VOLUME, AND SAID ISOPROPANOL BEING IN A CONCENTRATION OF ABOUT FROM 40 TO 95% BY VOLUME, DRYING THE PRECIPITATE TO REMOVE THE ALKANOL, DISPERSING THE DRY MATERIAL IN ALKALI AT ABOUT PH 7.5, CENTRIFUGING AND FREEZE-DRYING TO OBTAIN THE FINAL PRODUCT.
Claim 3
Dependent Claim
40 words
A METHOL OF FORMING A THERMO-REVERSIBLE GEL COMPRISING THE STEPS OF HEATING A 11.5 PERCENT BY WEIGHT AQUEOUS DISPERSION OF THE PRODUCT OF CLAIM 1, IN A BOILING WATER BATH FOR 5 MIN., AND COOLING THE SOLUTION TO ABOUT 68*C.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |