EP 0084890 B1 19860521 - DIAZOTYPE HEAT DEVELOPMENT RECORDING MEDIUM
Title (en)
DIAZOTYPE HEAT DEVELOPMENT RECORDING MEDIUM
Publication
Application
Priority
- JP 1124382 A 19820127
- JP 8854382 A 19820525
- JP 15571182 A 19820907
Abstract (en)
[origin: EP0084890A1] A diazotype heat development recording medium of the present invention has excellent shelf life and heat sensitivity. The medium comprises a support and a recording layer which is formed on said support and which comprises a diazo compound, a coupler, an acid stabilizer, a thermal developer, and a polymeric binder. The thermal developer is a salt of an organic or inorganic acid having a primary dissociation constant of 2x10<-><1> to 1x10<-><4> and an alkyl-substituted guanidine represented by the general formula: <CHEM> (wherein at least one of R1 and R2 is an alkyl group of C8 to C24, and the other of R1 and R2 is a hydrogen atom or an alkyl group of C1 or more).
IPC 1-7
IPC 8 full level
G03C 1/61 (2006.01)
CPC (source: EP)
G03C 1/61 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0084890 A1 19830803; EP 0084890 B1 19860521; DE 3363559 D1 19860626
DOCDB simple family (application)
EP 83100723 A 19830126; DE 3363559 T 19830126