Piezochromic device

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United States of America Patent

PATENT NO 8917436
SERIAL NO

13503243

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The current invention relates to a piezochromic device wherein said device exhibits a reversible change in appearance initialed by an external applied force and then reverts back to its original appearance over a set relaxation time when the external force is removed. In one embodiment, a device comprising a transparent or semi-transparent cover layer and a magnetic layer, wherein between the cover layer and the magnetic layer is a liquid medium containing magnetically alignable pigments.

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Patent Owner(s)

  • SUN CHEMICAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hollman, Aaron Hebron, US 4 23
Kozak, David Fairfield, US 2 10
Schwartz, Russell Cincinnati, US 25 166

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