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US3718541A Expired / Lapsed US ⏱️ 0.0 years remaining

Isolation of proteins

Assignee: Societe des Produits Nestle SA
•
Filing: 1970-07-16
•
Granted: 1973-02-27
•
Expires: 1990-07-16
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Abstract

Abstract A PROTEIN ISOLATE IS OBTAINED FROM BACTERIAL CELLS BY SUBJECTING THE CELLS TO AN ALKALINE SHOCK OF SHORT DURATION WHICH IS FOLLOWED BY DEGRADATION WITH AN ACID. OTHER FEATURES OF THE INVENTION ARE DISCLOSED IN THE SPECIFICATION.

Inventors

  • 👤 V Kalina

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:52
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/005; A; A23; A23J; A23J1/00; A23J1/008; Y; Y10; Y10S; Y10S435/00; Y10S435/804; Y10S435/8215; Y10S435/822; Y10S530/00; Y10S530/82; Y10S530/825

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) 1976-02-27 1976-08-28 1977-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-02-27 1980-08-28 1981-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-02-27 1984-08-28 1985-02-27 $7700.00 Window Closed / Lapsed

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