Method for making a negative working lithographic printing...

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

G - Physics

03

F

96/167

G03F 7/021 (2006.01) G03F 7/012 (2006.01)

Patent

CA 1243878

ABSTRACT OF THE DISCLOSURE 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.

420206

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