Title (en)

COLOUR-DEVELOPING SHEET FOR PRESSURE-SENSITIVE RECORDING, AND COLOUR-DEVELOPING MATERIAL THEREFOR

Publication

EP 0275110 A3 19880831 (DE)

Application

EP 88100477 A 19880114

Priority

JP 752887 A 19870116

Abstract (en)

[origin: US4835135A] The color-developing sheet for pressure-sensitive recording sheet contains a color-developing agent comprising an inorganic solid acid in combination with a polyvalent metal salt of carboxylated terpenephenol resin and/or a reaction product of carboxylated terpenephenol resin, aromatic carboxylic acid and polyvalent metal compound. This color-developing sheet is superior in both sunlight fading resistance and water resistance.

IPC 1-7

B41M 5/12

IPC 8 full level

B41M 5/155 (2006.01)

CPC (source: EP US)

B41M 5/155 (2013.01 - EP US); Y10S 428/914 (2013.01 - EP US); Y10T 428/277 (2015.01 - EP US)

Citation (search report)

• [X] US 4540998 A 19850910 - BODMER JEROME R [US], et al
• [Y] EP 0162626 A2 19851127 - APPLETON PAPER INC [US]
• [A] US 4165103 A 19790821 - BODMER JEROME R

Designated contracting state (EPC)

BE CH DE FR GB IT LI SE

DOCDB simple family (publication)

US 4835135 A 19890530; CA 1285766 C 19910709; EP 0275110 A2 19880720; EP 0275110 A3 19880831; JP H0428236 B2 19920513; JP S63176175 A 19880720

DOCDB simple family (application)

US 13468487 A 19871218; CA 556499 A 19880114; EP 88100477 A 19880114; JP 752887 A 19870116