Method of forming lithographic print plate utilizing water devel

Details Method of forming lithographic print plate utilizing water devel Method of forming lithographic print plate utilizing water devel

1985-05-13

1986-09-16

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making printing plates

430156, 430162, 430280, 430309, G03F 708, G03F 710

Patent

active

046122761

ABSTRACT:
This invention is directed to the reaction product of an O-epoxyalkylated tetrakis (hydroxyphenyl) alkane resin with a phenol, which is used either as an upper layer over a lower layer of a diazo resin in a bi-layer system or as a homogeneous mixture with a diazo resin in a mono-layer system to provide a water-developable, negative-working, lithographic printing plate.

REFERENCES:
patent: 3136637 (1964-06-01), Larson
patent: 3350353 (1967-10-01), Alvey
patent: 3477990 (1969-11-01), Dante et al.
patent: 3948855 (1976-04-01), Perry
patent: 4104072 (1978-08-01), Golda et al.
patent: 4225661 (1980-09-01), Muzyczko
patent: 4483758 (1984-11-01), Rowe et al.

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