EP 0110252 B1 19851113 - HEAT-SENSITIVE REGISTRATION MATERIAL
Title (en)
HEAT-SENSITIVE REGISTRATION MATERIAL
Publication
Application
Priority
DE 3243945 A 19821127
Abstract (en)
[origin: US4523208A] A heat-sensitive recording material comprises a heat-sensitive layer which is applied onto a base and contains a color-producing substance, which is usually colorless or only slightly colored, and an activator which, under the action of heat, causes the color-producing substance to produce a coloration. In accordance with the invention, the heat-sensitive layer contains a sulfonic acid ester, in particular of a secondary alcohol, as the activator.
IPC 1-7
IPC 8 full level
B41M 5/28 (2006.01); B41M 5/26 (2006.01); B41M 5/30 (2006.01); B41M 5/333 (2006.01)
CPC (source: EP US)
B41M 5/3333 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE FR GB LI NL
DOCDB simple family (publication)
EP 0110252 A2 19840613; EP 0110252 A3 19840725; EP 0110252 B1 19851113; DE 3243945 A1 19840530; DE 3361241 D1 19851219; JP S59109388 A 19840625; US 4523208 A 19850611
DOCDB simple family (application)
EP 83111500 A 19831117; DE 3243945 A 19821127; DE 3361241 T 19831117; JP 22227783 A 19831128; US 55432683 A 19831122