Method of producing lithographic printing plates

Details Method of producing lithographic printing plates Method of producing lithographic printing plates

1976-02-23

1977-09-20

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 58, C25D 1108, C25D 1112

Patent

active

040495043

ABSTRACT:
In the production of lithographic printing plates, the method of anodizing the surface of an aluminum web substrate which comprises subjecting said web to an anodization treatment in an electrolyte comprised of a combination of sulfuric acid and phosphoric acid, and thereafter applying a lithographically acceptable photosensitive coating to the web to obtain a presensitized lithographic printing plate.

REFERENCES:
patent: 2703781 (1955-03-01), Hesch
patent: 3594289 (1971-07-01), Watkinson et al.
patent: 3891516 (1975-06-01), Chu
patent: 3915811 (1975-10-01), Tremmel et al.
patent: 3940321 (1976-02-01), Adams
Proceedings, Am. Electroplaters' Society, June 18-23, 1961, pp. 52-55.

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