US3578461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of proteinaceous materials
Assignee: Monsanto Co
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Filing: 1968-12-12
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Granted: 1971-05-11
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Expires: 1988-12-12
Abstract
Abstract AN EDIBLE PROTEINACEOUS MATERIAL HAVING NUTRITIONAL VALUE IS PREPARED BY DIGESTING NON-EDIBLE PROTEIN MATERIALS FROM DOMESTIC ANIMALS, FOR EXAMPLE, FEATHERS, IN A LIQUID MEDIUM COMPRISING WATER AND AN ENZYME SELECTED FROM THE GROUP CONSISTING OF ALKALINE PROTEASE, NEUTRAL PROTEASE AND MIXTURES OF SAID ENZYMES. OPTIONALLY A REDUCTIVE-TYPE DISULFIDE SPLITTING AGENT IS EXEMPLIFIED BY MERCAPTOETHANOL MAY BE INCLUDED. THE PROCEDURE IS TYPICALLY CARRIED OUT AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 10* TO ABOUT 70*C. THE PROTEINACEOUS MATERIAL IS USEFUL IN ANIMAL FEED COMPOSITIONS.
Inventors
- 👤 Lloyd E Weeks
- 👤 Bernard S Wildi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:06
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/10; A23K; A23K10/00; A23K10/20; A23K10/26; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/832; Y10S435/839; Y10S435/886; Y10S435/897; Y10S435/911; Y10S435/913; Y10S435/918
Claims Analysis
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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) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |