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US3758396A Expired / Lapsed US ⏱️ 0.0 years remaining

Ition preparation of immobilized enzymemembrane complexes by electrocodepos

Assignee: Research Corp
•
Filing: 1971-08-31
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Granted: 1973-09-11
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Expires: 1991-08-31
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Abstract

Abstract IMMOBILIZED ENZYME-MEMBRANE COMPLEXES ARE PREPARED BY ADJUSTING THE PH OF AN AQUEOUS MIXTURE OF AN ACTIVE ENZYME AND AN ENZYME-IMMOBILIZING CARRIER MATERIAL SO THAT THE ENZYME AND THE CARRIE MATERIAL BOTH EXPERIENCE CHARGE SEPARATION AT THE MOLECULAR OR COLLOIDAL LEVELS, AND INTRODUCING THE AQUEOUS MIXTURE INTO AN ELECTRO-DEPOSITION VESSEL PROVIDED WITH AT LEAST ONE CATHODE AND AT LEAST ONE ANODE ACROSS WHICH AN ELECTRIAL POTENIAL IS APPLIED TO DEPOSIT AN IMMOBILIZED ENZYME-MEMBRANE COMPLEX OF ENZYME AND CARRIER MATERIAL ONTO THE SURFACE OF AT LEAST ONE OF THE ELECTRODES. THIS PROCESS IS PARTICULARLY SUITABLE FOR COATING IMMOBILIZED ENZYME-MEMBRANE COMPLEXES ONTO GEOMETRIC SUPPORTS USED FOR BIOCATALYTIC MODULES. THE PROCESS CAN BE ADAPTED FOR CONTINUOUS MANUFACTURE OF ENZYME-MEMBRANE COMPLEXES SIMPLY BY MAKING ONE OF THE ELECTRODES A MOVING ROLL WITH A MEANS OF CONTINUOUS STRIPPING.

Inventors

  • 👤 S Gilbert
  • 👤 R Saini
  • 👤 W Vieth
  • 👤 S Wang

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:32
CPC Classifications
B; B01; B01D; B01D69/00; B01D69/14; B01D69/141; B01D69/142; B01D69/144; C; C12; C12N; C12N11/00; C12N11/02

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) 1976-09-10 1977-03-12 1977-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-09-10 1981-03-12 1981-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-09-10 1985-03-12 1985-09-11 $7700.00 Window Closed / Lapsed

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