Controlled diffusion coefficient electrochromic materials for use in electrochromic mediums and associated electrochromic devices
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United States of America Patent
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Mar 23, 2004
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app pub date -
Nov 13, 2001
filing date -
Dec 3, 1999
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Abstract
An electrochromic medium for use in an electrochromic device comprising: at least one solvent; an anodic electroactive material; a cathodic electroactive material; wherein at least one of the anodic and cathodic electroactive materials is electrochromic; and wherein at least one of the anodic and cathodic electroactive materials is associated with a diffusion coefficient controlling moiety which serves to lower the diffusion coefficient of the associated material relative to the same without the diffusion coefficient controlling moiety.
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