Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonreactant particles of defined size
Patent
1986-06-16
1987-11-10
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonreactant particles of defined size
503200, 503208, 503216, 503220, 503221, 503223, 503226, 427152, B41M 522
Patent
active
047057742
ABSTRACT:
A thermosensitive image transfer medium is disclosed which consists essentially of (i) an image transfer sheet comprising (a) a plastic film, (b) an undercoat layer formed thereon containing a porous filler having an average particle size of 1 to 10 .mu.m and an oil absorption of 200 ml/100 g or less as measured in accordance with the Japanese Industrial Standard K 5101, with a depostion of the porous filler ranging from 1 g/m.sup.2 to 10 g/m.sup.2 and (c) an image transfer layer comprising a leuco dye formed on the undercoat layer, and (ii) an acceptor sheet having an acceptor layer comprising a color developer which is capable of inducing color formation in the leuco dye.
Hess Bruce H.
Ricoh & Company, Ltd.
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