Thermochromic coloring color-memory footwear
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United States of America Patent
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Jan 12, 1999
Grant Date -
N/A
app pub date -
Jun 24, 1996
filing date -
Jun 23, 1995
priority date (Note) -
Expired
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Abstract
A footwear has a thermochromic coloring color-memory layer having a large hysteresis on a color-density-to-temperature curve so as to show interchangeability between a first color phase and a second color phase different from the first color phase, and a coloring tool for forming a desired image on the footwear.
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