EP 0390432 B1 19941019 - Color-former.
Title (en)
Color-former.
Title (de)
Chromogen.
Title (fr)
Chromogène.
Publication
Application
Priority
JP 7472589 A 19890327
Abstract (en)
[origin: EP0390432A2] The present invention relates to a color-former having microcapsules which comprise an electron-donating colorless dye dispersed in a hydrophobic liquid. The present invention provides a color-former using both an electron-donating colorless dye and a hydrophobic liquid which were unable to be used under consideration of the solubility.
IPC 1-7
IPC 8 full level
B41M 5/165 (2006.01); B41M 5/28 (2006.01); B41M 5/30 (2006.01)
CPC (source: EP)
B41M 5/165 (2013.01); B41M 5/287 (2013.01)
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 0390432 A2 19901003; EP 0390432 A3 19910522; EP 0390432 B1 19941019; AU 5210390 A 19900927; AU 630680 B2 19921105; DE 69013383 D1 19941124; DE 69013383 T2 19950223; JP H02252576 A 19901011; JP H0741738 B2 19950510
DOCDB simple family (application)
EP 90303121 A 19900323; AU 5210390 A 19900322; DE 69013383 T 19900323; JP 7472589 A 19890327