EP 1006405 B1 20030723 - Black and white thermographic recording material with improved image tone
Title (en)
Black and white thermographic recording material with improved image tone
Title (de)
Thermographisches Schwarz-Weiss-Aufzeichnungsmaterial mit verbessertem Bildton
Title (fr)
Matériau d'enregistrement thermographique noir et blanc ayant un ton de l'image amélioré
Publication
Application
Priority
- EP 99204003 A 19991124
- EP 98204016 A 19981130
Abstract (en)
[origin: EP1006405A1] A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element provided with a protective layer, the thermosensitive element containing a substantially light-insensitive organic silver salt, a 1,2-dihydroxy-benzene derivative in thermal working relationship therewith and a first polymer having active hydrogen atoms at least part of which has reacted with a first polyisocyanate selected from the group consisting of: hexamethylene diisocyanate, toluene diisocyanate, diphenylmethane diisocyanat, naphthylene diisocyanate and triphenylmethane-p,p',p''-trityl triisocyanate; and the protective layer being exclusive of fluorine-containing compounds; and a thermographic recording process therefor.
IPC 1-7
IPC 8 full level
G03C 1/498 (2006.01)
CPC (source: EP)
G03C 1/4989 (2013.01); G03C 1/30 (2013.01); G03C 1/49863 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DOCDB simple family (application)
EP 99204003 A 19991124