Title:
HEAT-SENSITIVE RECORDING SHEET
Document Type and Number:
Japanese Patent JP2500550
Kind Code:
B2
Abstract:
PURPOSE: To provide the above h eat-sensitive recording sheet on which a clearly colored writing can be made with the felt pen of an aqueous fluorescent ink and which is also excellent in the preservability of the image thus written.
CONSTITUTION: In a heat-sensitive recording sheet provided with a heatsensitive color developing layer consisting mainly of a colorless or plate-colored basic colorless dye and an organic developer, the organic developer contains 4- hydroxy-3-methyl-4'-n-propoxydiphenylsulfone and diphenylsulfone derivative.
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| JPS60135285 | THERMAL RECORDING PAPER |
Inventors:
MINAMI TOSHIAKI
KANEKO TOSHIO
KANEKO TOSHIO
Application Number:
JP18617991A
Publication Date:
May 29, 1996
Filing Date:
July 25, 1991
Export Citation:
Assignee:
NIPPON SEISHI KK
International Classes:
B41M5/337; B41M5/26; B41M5/30; B41M5/333; (IPC1-7): B41M5/30; B41M5/26
Domestic Patent References:
| JP4339689A | ||||
| JP2227286A |
Attorney, Agent or Firm:
Kazuo Kawasumi