Lithographic photosensitive material

Details Lithographic photosensitive material Lithographic photosensitive material

1984-03-19

1985-04-09

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

Process using lithographic infectious developer

430264, 430267, 430441, 430564, 430599, 430600, 430603, 430949, G03C 106, G03C 524, G03C 102

Patent

active

045102295

ABSTRACT:
A lithographic photosensitive material which comprises a support having thereon at least one silver halide emulsion layer and that, contains as a lithographic development accelerating agent a compound represented by the following general formula (I) in its silver halide emulsion layer or another hydrophilic colloidal layer: ##STR1## wherein R.sub.1 to R.sub.5 may be the same or different, and they each represent hydrogen, a halogen atom, an alkyl group, an alkoxy group, an aryl group, ##STR2## (wherein R.sub.6 and R.sub.7 each represents hydrogen or an alkyl group, or they may combine with each other to form a 5- or 6-membered nitrogen containing saturated hetero ring), --NH--CO--R.sub.8 or --NHSO.sub.2 --R.sub.9 (wherein R.sub.8 and R.sub.9 each represents an alkyl group, an aryl group or an aralkyl group), or R.sub.3 and R.sub.4, or R.sub.4 and R.sub.5 may combine with each other to form a benzene ring and that, it is necessary to said compound that at least one of substituents R.sub.1, R.sub.3 and R.sub.5 represents --NHSO.sub.2 --R.sub.9, or the benzene ring formed by combining R.sub.3 and R.sub.4, or by combining R.sub.4 with R.sub.5 is substituted with at least one --NHSO.sub.2 --R.sub.9 group.

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