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Method of making an enzyme membrane for enzyme electrodes

  • US 4,987,075 A
  • Filed: 07/19/1990
  • Issued: 01/22/1991
  • Est. Priority Date: 07/23/1987
  • Status: Expired due to Term
First Claim
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1. A method for preparing a composite, multilayer membrane, which comprises uniformly dispersing one or more enzymes in a liquid solution of a polyurethane, applying droplets of the solution with the dispersed enzyme therein to a first cellulose membrane to form an enzyme film layer, drying the so applied solution, and bonding with a liquid adhesive a second cellulose membrane to the dried solution.

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