US2785155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extraction of soy protein
Assignee: Lever Brothers Co
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Filing: 1955-01-11
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Granted: 1957-03-12
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Expires: 1975-01-11
Abstract
No abstract record available.
Inventors
- 👤 Anson Mortimer Louis
- 👤 Pader Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:12
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/14; A23J3/00; A23J3/22; A23J3/225; A23J3/227; Y; Y10; Y10S; Y10S426/00; Y10S426/802
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR THE EXTRACTION OF PROTEIN FROM SOYBEAN MEAL WHICH COMPRISES SUSPENDING SOYBEAN MEAL IN AN AQUEOUS SOLUTION CONTAINING CALCIUM HYDROXIDE IN A CONCENTRATION RANGING FROM ABOUT 0.002 TO ABOUT 0.004 MOLAR AT A TEMPERATURE OF ABOUT 60* C., SEPARATING INSOLUBLE MATERIAL FROM THE RESULTING PROTEIN EXTRACT, ADDING ACID TO THE EXTRACT TO PRECIPIT ATE THE PROTEIN, AND SEPARATING THE PROTEIN.
Claim 2
Dependent Claim
62 words
A PROCESS FOR THE EXTRACTION OF PROTEIN FROM SOYBEAN MEAL WHICH COMPRISES SUSPENDING SOYBEAN MEAL IN AN AQUEOUS SOLUTION CONTAINING CALCIUM HYDROXIDE IN A CONCENTRATION RANGING FROM ABOUT 0.002 TO ABOUT 0.004 MOLAR AT A TEMPERATURE OF ABOUT 60* C., SEPARATING INSOLUBLE MATERIAL FROM THE RESULTING PROTEIN EXTRACT, ADDING ACID TO THE EXTRACT TO PRECIPIT ATE THE PROTEIN, AND SEPARATING THE PROTEIN.
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) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |