Process for graining an aluminum base lithographic plate and art

Details Process for graining an aluminum base lithographic plate and art Process for graining an aluminum base lithographic plate and art

Filed on

1978-02-28

Date issued

1980-01-15

Examiner

Mack, John H.

Patent Class

Radiation imagery chemistry: process, composition, or product th

SubClass

Imaging affecting physical property of radiation sensitive...

SubSubClass

Radiation sensitive composition or product or process of making

Other Related Categories

204 38A, 204 29, 101454, 101455, 101456, 101459, 101463, B41N 304, G03C 194

Type

Patent

Status

active

Patent number

041837886

Description

ABSTRACT:
Planar surfaces are roughened by graining with an aqueous slurry of unfused platy, crystalline alumina. Preferably, an aluminum base with is adapted to receive a light-sensitive coating thereon to make lithographic plate is grained with said aqueous slurry.

REFERENCES:
patent: 3121623 (1964-02-01), Nesin
patent: 3691030 (1972-09-01), Stroszynski
patent: 3834998 (1974-10-01), Watanabe
patent: 3902976 (1975-09-01), Walls

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