Electrochemichromic mirror

  • US 5,567,360 A
  • Filed: 12/04/1995
  • Issued: 10/22/1996
  • Est. Priority Date: 11/29/1989
  • Status: Expired due to Fees
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First Claim
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1. An electrochemichromic rearview mirror for a vehicle, said mirror comprising:

  • spaced plates, each having an inwardly facing conductive surface;

    an electrochemichromic solution between said spaced plates, said solution comprising;

    solvent;

    a redox chemical pair in solution in said solvent which colors in the presence of an applied voltage and which bleaches to a colorless condition in the absence of an applied voltage;

    said solvent selected from the group consisting of;

    3-hydroxypropionitrile (HPN), 3,3'"'"'-oxydipropionitrile (ODPN), 2-acetylbutyrolactone (ABL), 2-methylglutaronitrile (MGNT), and mixtures thereof.

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