Electrochromic printing medium
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United States of America Patent
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Aug 25, 1992
Grant Date -
N/A
app pub date -
Oct 29, 1991
filing date -
Oct 29, 1991
priority date (Note) -
Expired
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Abstract
An electrochromic printing medium comprising a solid support having an electrochromic composition coated thereon comprising an electrolyte matrix, a radiation-inert ionically conducting liquid, and an ionizable alkali or ammonium slat; a method for preparing such medium; and a method for forming an image employing such electrochromic printing medium.
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