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US 4,364,999 AGranted
Heat sensitive record sheet
AssigneeHodogaya Chemical Co., Ltd.
InventorsKatsuichi Motohashi, Toshio Obara, Kazuo Kaneko, Masahiko Yamaguchi
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Abstract
A heat sensitive record sheet comprises a coated layer comprising 2-(2-chlorophenyl)amino-6-di-propyl- or butyl-aminofluoran derivative.
Claims3
A heat sensitive record sheet which comprises a coated layer comprising 2-(2-chlorophenyl)amino-6-di-propyl- or butyl-aminofluoran.
Dependencies are inferred from the claim text.