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US3556945A Expired / Lapsed US ⏱️ 0.0 years remaining

Enzyme stabilization

Assignee: Corning Glass Works
•
Filing: 1968-02-05
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Granted: 1971-01-19
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Expires: 1988-02-05
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Abstract

Abstract THIS INVENTION RELATES TO THE STABILIZATION OF ENZYMES BY COUPLING THE ENZYMES TO AN INORGANIC CARRIER CONTAINING REACTIVE SILANOL GROUPS THROUGH HYDROGEN AND AMINESILICATE BONDING WHEREBY THE ENZYME BECOMES INSOLUBLE AND CAN BE USED AND REUSED OVER AN EXTENDED PERIOD OF TIME.

Inventors

  • 👤 Ralph A Messing

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:47
CPC Classifications
C; C12; C12N; C12N11/00; C12N11/14; Y; Y10; Y10S; Y10S530/00; Y10S530/81; Y10S530/811

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) 1974-01-18 1974-07-20 1975-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-18 1978-07-20 1979-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-18 1982-07-20 1983-01-19 $7700.00 Window Closed / Lapsed

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