COMPOUNDS FOR REDUCING BACKGROUND COLOR IN COLOR CHANGE COMPOSITIONS

World Intellectual Property Organization Patent

APP PUB NO WO-2014144693-A1
SERIAL NO

PCTUS2014029211

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Abstract

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Aspects of the invention include color change compositions having a color former and color developer composition that transitions from a first color state to a second color state upon application of an applied stimulus and an amount of a copolymer sufficient to eliminate background color of the color former and color developer composition during transition from the first color state to the second color sate. Methods for preparing and devices employing the color change compositions of the invention are also described.

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Patent Owner(s)

Patent OwnerAddress
SEGAN IND INCUSCALIFORNIA USA

International Classification(s)

Inventor(s)

Inventor Name Address
RIBI HANS O BURLINGAME CA 94011-0367

Cited Art Landscape

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