Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1995-09-18
1997-11-25
Young, Christopher G.
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
430151, 430157, G03F 7021, G03C 518
Patent
active
056910991
ABSTRACT:
The object of the present invention is to provide a novel and useful thermal developing type diazo copying material wherein an initial image quality and an initial image reliability are maintained, while undesired coloring can be avoided and long-term preservation characteristics can be improved. The present invention comprises a support, a photosensitive layer formed on said support, said photosensitive layer including a diazo compound, and a coupler layer formed on said support, said coupler layer including a coupler component, said coupler layer having a copolymer including a monomer having a carboxylic acid and water-soluble guanidine salt.
REFERENCES:
patent: 4411979 (1983-10-01), Nagamoto et al.
patent: 5424164 (1995-06-01), Satomura et al.
patent: 5556733 (1996-09-01), Kusakata et al.
Kusakata Shigeru
Matsuda Kazuo
Rimoto Masanori
Shimota Naohito
Ricoh & Company, Ltd.
Young Christopher G.
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