Deletion fluid for positive printing plates

Details Deletion fluid for positive printing plates Deletion fluid for positive printing plates

1981-10-19

1982-09-28

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Finishing or perfecting composition or product

252154, 252544, 134 38, 430309, 430326, 430329, G03C 500

Patent

active

043518958

ABSTRACT:
A deletion fluid for positive working printing plates which is capable of removing unwanted, unexposed portions of a photosensitive coating on a substrate without detrimentally affecting the surface of said substrate. Said deletion fluid comprises an aqueous solution of a gum, an aliphatic alcohol, acetate or ether solvent, an amine desensitizing component and a thixotropic agent.

REFERENCES:
patent: 3392019 (1968-07-01), Barnes et al.
patent: 3455688 (1969-07-01), Adams et al.
patent: 3475171 (1969-10-01), Alles
patent: 3481877 (1969-12-01), Moll
patent: 3707373 (1972-12-01), Martinson et al.
patent: 4141733 (1979-02-01), Guild
patent: 4246843 (1981-01-01), Garrett
patent: 4267260 (1981-05-01), Miura et al.

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