Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Plural colors or plural diverse systems
Patent
1997-08-19
1999-04-27
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Plural colors or plural diverse systems
427150, 427152, 503206, 503226, B41M 5132
Patent
active
058980172
ABSTRACT:
A heat-sensitive document capable of providing multiple colors comprising a support having at least one surface bearing a first coating comprising a substantially colorless, chromogenic composition which is capable of producing a first color, a second coating covering a portion of the first coating, the second coating being an opaque coating, comprising an opacifying agent and a hydrophobic, polymeric binding agent, and a localized third coating covering at least a portion of said second coating comprising a substantially colorless, heat-activatable chromogenic composition capable of producing a second color, preferably under the application of heat. The opaque coating is "dual-functional", since it both enhances multicolor image quality and acts as a primer for adhering the localized chromogenic coating composition.
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Hess Bruce H.
Wallace Computer Services Inc.
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