Method for making a negative working lithographic printing plate

Details Method for making a negative working lithographic printing plate Method for making a negative working lithographic printing plate

1982-01-25

1984-05-08

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

20415914, 430176, 430280, 430905, 430910, G03C 171, G03C 154, G03F 708

Patent

active

044475128

ABSTRACT:
An O-epoxyalklyated tetrakis (hydroxyphenyl) alkane resin or the esterified reaction product of about one equivalent thereof with less than one equivalent of an ethylentically unsaturated organic acid can be combined with an aqueous alkali- and radiation sensitive, negative acting substance which when coated on a substrate forms a radiation sensitive negative working element.

REFERENCES:
patent: 4171974 (1979-10-01), Golda et al.
patent: 4237216 (1980-12-01), Skarvinko
patent: 4390615 (1983-06-01), Courtney et al.

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