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US3578461A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the preparation of proteinaceous materials

Assignee: Monsanto Co
•
Filing: 1968-12-12
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Granted: 1971-05-11
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Expires: 1988-12-12
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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 07:52
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

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) 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

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