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Selective light transmittable film having excellent anti-fogging and infrared ray reflective properties

  • US 4,828,345 A
  • Filed: 07/09/1987
  • Issued: 05/09/1989
  • Est. Priority Date: 07/28/1986
  • Status: Expired due to Term
First Claim
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1. A selective light transmissible film or sheet having excellent anti-fogging properties, produced by forming a thin film of a metal and/or a metal compound having transparency and infrared ray reflective characteristics, on the surface of one side of a cellulose derivative film or sheet of which the surface of the other side is saponified with an alkaline aqueous solution, or on the surface of one side of a cellulose derivative film or sheet of which both surfaces are saponified with an alkaline aqueous solution.

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