US3637643A
Expired / Lapsed
US
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Protein separation from whey using a solubilized phosphate
Assignee: Hexion Inc
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Filing: 1970-02-02
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Granted: 1972-01-25
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Expires: 1990-02-02
Abstract
Abstract THIS INVENTION RELATES TO THE METHOD OF SEPARATING PROTEINS IN UNDENATURED FORM FRO A CRUDE SOURCE THEREOF BY FIRST REDUCING THE RADIO OF DIVALENT CATIONS TO ACTUAL PROTEIN IN THE SOURCE TO NO MORE THAN ABOUT 1 PART BY WEIGHT OF DIVALENT CATIONS TO 35 PARTS BY WEIGHT OF ACTUAL PROTEIN PHOSPHATE COMPOSITION CONSISTING EXSENTIALA SOLUBILIZED PHOSPHATE COMPOSITION CONSISTING ESSENTIALLY OF ONE PART BY WEIGHT OF A POTASSIUM POLYMETAPHOSPHATE AND FROM ABOUT 5 TO ABOUT 15 PARTS OF A SODIUM PHOSPHATE, AND TO THE RESULTING PRODUCTS. THE INVENTION HAS PARTICULAR REFERENCE TO THE SEPARATION OF LACTALBUMIN FROM WHEY AND TO THE RESULTING PRODUCTS.
Inventors
- 👤 Winston Harold Wingerd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:37
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/14; A23J1/18; A23J1/20; A23J1/205; A23V; A23V2002/00; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/833
Claims Analysis
Total Claims: 0
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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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |