US2573072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of vegetable protein
Assignee: International Minerals and Chemical Corp
•
Filing: 1947-11-07
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Granted: 1951-10-30
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Expires: 1967-11-07
Abstract
No abstract record available.
Inventors
- 👤 Vassel Bruno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:29
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PROCESS WHICH COMPRISES SUBJECTING WHOLE FLAXSEED TO THE ACTION OF A DILUTE ACIDIC SOLUTION, SEPARATING THE RESULTANT SOLUTION FROM THE SEED, NEUTRALIZING THE SUBSTANTIALLY MUCILAGE-FREE FLAXSEED TO REMOVE EXCESS REAGENT, WASHING THE FLAXSEED TO FREE IT FROM ACID SOLUTION DRYING THE WASHED PRODUCT, CRUSHING THE DRIED SEED AND REMOVING SUBSTANTIALLY ALL OF THE OIL CONTAINED THEREIN BY EXTRACTION WITH A SOLVENT FOR THE OIL, TREATING THE SUBSTANTIALLY ALL OF THE OIL WITH A DILUTE ALKALI METAL HYDROXIDE SOLUTION WHOSE NORMALITY IS BETWEEN ABOUT 0.5 AND ABOUT 2.0 AT A TEMPERATURE NOT GREATER THAN 75* C., FILTERING THE RESULTANT PROTEIN-CONTAINING SOLUTION, NEUTRALIZING THE FILTRATE WITH AN ACIDIC REAGENT TO GIVE A PH OF BETWEEN ABOUT 3.5 AND ABOUT 4.0 AND RECOVERING THE PRECIPITATED PROTEIN VALUES THEREFROM.
Claim 2
Dependent Claim
126 words
A PROCESS WHICH COMPRISES SUBJECTING WHOLE FLAXSEED TO THE ACTION OF A DILUTE ACIDIC SOLUTION, SEPARATING THE RESULTANT SOLUTION FROM THE SEED, NEUTRALIZING THE SUBSTANTIALLY MUCILAGE-FREE FLAXSEED TO REMOVE EXCESS REAGENT, WASHING THE FLAXSEED TO FREE IT FROM ACID SOLUTION DRYING THE WASHED PRODUCT, CRUSHING THE DRIED SEED AND REMOVING SUBSTANTIALLY ALL OF THE OIL CONTAINED THEREIN BY EXTRACTION WITH A SOLVENT FOR THE OIL, TREATING THE SUBSTANTIALLY ALL OF THE OIL WITH A DILUTE ALKALI METAL HYDROXIDE SOLUTION WHOSE NORMALITY IS BETWEEN ABOUT 0.5 AND ABOUT 2.0 AT A TEMPERATURE NOT GREATER THAN 75* C., FILTERING THE RESULTANT PROTEIN-CONTAINING SOLUTION, NEUTRALIZING THE FILTRATE WITH AN ACIDIC REAGENT TO GIVE A PH OF BETWEEN ABOUT 3.5 AND ABOUT 4.0 AND RECOVERING THE PRECIPITATED PROTEIN VALUES THEREFROM.
References Cited (Backward Citations)
US2010880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |