EP 1006405 A1 20000607 - 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)
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)
Citation (search report)
- [X] US 5710095 A 19980120 - HORSTEN BARTHOLOMEUS CYRIEL [BE], et al & WO 9512495 A1 19950511 - AGFA GEVAERT NV [BE], et al
- [X] US 5686228 A 19971111 - MURRAY THOMAS J [US], et al
- [AD] US 5468603 A 19951121 - KUB THOMAS J [US]
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DOCDB simple family (application)
EP 99204003 A 19991124