Title (en)

HEAT-SENSITIVE RECORDING PAPER

Publication

EP 0372878 A3 19910410 (EN)

Application

EP 89312602 A 19891204

Priority

JP 30915088 A 19881207

Abstract (en)

[origin: EP0372878A2] In a heat-sensitive recording paper comprising a support coated with a heat-sensitive color-forming layer containing a color-forming dye material and a color developer, heat-sensitive color-forming layer contains parabenzylbiphenyl and 4,4 min -thiobis(6-tertiary-butyl-3-methylphenyl) in order to develop highly sensitive heat-sensitive recording paper which would neither form color in non-image areas nor fade in image areas even when it was submerged in water.

IPC 1-7

B41M 5/30

IPC 8 full level

B41M 5/333 (2006.01); B41M 5/337 (2006.01)

CPC (source: EP)

B41M 5/3333 (2013.01); B41M 5/3375 (2013.01)

Citation (search report)

• [X] EP 0164417 A1 19851218 - NIPPON STEEL CHEMICAL CO [JP]
• [X] PATENT ABSTRACTS OF JAPAN vol. 11, no. 146 (M-587)(2593) 13 May 1987, & JP-A-61 280987 (OJI PAPER COMPANY LIMITED) 11 December 1986,
• [Y] PATENT ABSTRACTS OF JAPAN vol. 11, no. 344 (M-640)(2791) 11 November 1987, & JP-A-62 122784 (NIPPON KAYAKU K.K.) 04 June 1987,
• [Y] PATENT ABSTRACTS OF JAPAN vol. 11, no. 258 (M-618)(2705) 21 August 1987, & JP-A-62 62787 (MITSUBISHI PAPER MILLS LIMITED) 19 March 1987,

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0372878 A2 19900613; EP 0372878 A3 19910410; JP H02155687 A 19900614

DOCDB simple family (application)

EP 89312602 A 19891204; JP 30915088 A 19881207