Patent US2589867A successfully refreshed from Google Patents.
US2589867A
Expired / Lapsed
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Process for recovery of vegetable protein
Assignee: Buckeye Cotton Oil Co
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Filing: 1949-07-08
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Granted: 1952-03-18
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Expires: 1969-07-08
Abstract
No abstract record available.
Inventors
- 👤 Rowe Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:59
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN THE METHOD OF RECOVERING PROTEIN OF IMPROVED SOLUTION PROPERTIES FROM OLEGINOUS SEED MATERIAL BY THE PROCESS OF TREATING THE MATERIAL WITH A PROTEIN SOLVENT AT A PH NOT LESS THAN 6, PRECIPITATING THE DISSOLVED PROTEIN WITH ACID,AND SEPARATING THE PROTEIN FROM THE ACIDULATED SOLUTION, THE STEP OF INTRODUCING DURING THE RECOVERY PROCESS AND PRIOR TO SEPARATION OF THE PROTEIN FROM THE SOLUTION, AT LEAST ONE MEMBER OF THE GROUPS CONSISTING OF ACID-SOLUBLE CUPRIC AND MERCURIC COMPOUNDS IN AN AMOUNT INSUFFICIENT TO PRECIPITATE PROTEIN FROM AN AQUEOUS ALKALINE SOLUTION THEREOF BUT EQUAL TO AT LEAST 0.04 PER CENT OF A GRAM-MOL OF THE COMPOUND PER 100 GRAMS OF RECOVERABLE PROTEIN PRESENT AND SUFFICIENT TO IMPROVE THE SOLUTION PROPERTIES OF THE RECOVERED PROTEIN IN AQUEOUS ALKALINE MEDIA.
Claim 2
Dependent Claim
126 words
IN THE METHOD OF RECOVERING PROTEIN OF IMPROVED SOLUTION PROPERTIES FROM OLEGINOUS SEED MATERIAL BY THE PROCESS OF TREATING THE MATERIAL WITH A PROTEIN SOLVENT AT A PH NOT LESS THAN 6, PRECIPITATING THE DISSOLVED PROTEIN WITH ACID,AND SEPARATING THE PROTEIN FROM THE ACIDULATED SOLUTION, THE STEP OF INTRODUCING DURING THE RECOVERY PROCESS AND PRIOR TO SEPARATION OF THE PROTEIN FROM THE SOLUTION, AT LEAST ONE MEMBER OF THE GROUPS CONSISTING OF ACID-SOLUBLE CUPRIC AND MERCURIC COMPOUNDS IN AN AMOUNT INSUFFICIENT TO PRECIPITATE PROTEIN FROM AN AQUEOUS ALKALINE SOLUTION THEREOF BUT EQUAL TO AT LEAST 0.04 PER CENT OF A GRAM-MOL OF THE COMPOUND PER 100 GRAMS OF RECOVERABLE PROTEIN PRESENT AND SUFFICIENT TO IMPROVE THE SOLUTION PROPERTIES OF THE RECOVERED PROTEIN IN AQUEOUS ALKALINE MEDIA.
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) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |