Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1989-12-12
1993-04-06
Schwartz, Pamela R.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
503225, B41M 526
Patent
active
052003850
ABSTRACT:
A thermosensitive recording material comprising a leuco dye, a color developer and a water-soluble lubricant such as an alkylphosphate compound having formula (I) or (II): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each independently are an alkyl group, an alkynyl group or a monovalent metallic element, but they cannot be the metallic element at the same time; or ##STR2## wherein R.sub.4 is an alkyl group or an alkynyl group, and R.sub.5 is a monovalent metallic element.
REFERENCES:
patent: 4363664 (1982-12-01), Delaney
McCutcheon's Emulsifiers & Detergents, 1982, p. 297.
Tensid-Taschenbuch, Dr. H. Stache, 2. Auflage, 1981, Carl Hanser Verlag, Seiten 150 bis 153.
Inaba Norihiko
Inoue Hiroaki
Okuda Hiroaki
Yamamoto Koji
Ricoh & Company, Ltd.
Schwartz Pamela R.
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