Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1988-09-30
1990-02-20
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430138, 430339, 430341, 430495, 430914, 430916, 430927, 544251, 544345, 548152, 548217, 548336, 548344, G03C 168
Patent
active
049026046
ABSTRACT:
Photopolymerizable initiator compositions having high photosensitivity to light sources giving visible rays and the other rays in the longer wavelengths. The compositions containing polymerizable compounds having ethylenic unsaturated bonds and salts formed by an organic boron compound anion and an organic cationic azulene dye compound comprising an azulene ring having a nitrogen atom or a chalcogen atom in the 2- or 4- position can be used for making lithographic printing plates, resinous relief printing plates, and resists or photomasks for printed circuit substrates.
The polymerizable compounds having ethylenic unsaturated bonds can be encapsulated to obtain microcapsules to be used for the formation of black-and-white or color images.
REFERENCES:
patent: 3772530 (1988-09-01), Gottschack et al.
patent: 4772541 (1988-09-01), Gottschack et al.
patent: 4800149 (1989-07-01), Gottschack et al.
Hioki Takanori
Okazaki Masaki
Yamaguchi Jun
Brammer Jack P.
Fuji Photo Film Co. , Ltd.
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