Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonreactant particles of defined size
Patent
1996-01-11
1997-12-30
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
503208, 503209, 503216, 503217, 503221, B41M 530
Patent
active
057030065
ABSTRACT:
A thermosensitive recording medium is disclosed which includes a support, and a thermosensitive color-developing layer formed on the support and containing a leuco dye having a melting point of at least 200.degree. C. and a color developer having a melting point of at least 180.degree..
REFERENCES:
patent: 5342649 (1994-08-01), Sarokin
Hada Kunihiko
Miyamoto Shuji
Mori Yasutomo
Orihara Motoi
Hess Bruce H.
Ricoh & Company, Ltd.
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