Process for the manufacture of aluminum supports for planographi

Details Process for the manufacture of aluminum supports for planographi Process for the manufacture of aluminum supports for planographi

1977-07-13

1979-08-28

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041298, C25F 304

Patent

active

041660153

ABSTRACT:
This invention relates to an improvement in the process for the manufacture of aluminum supports for planographic printing plates by electrochemical roughening of the surfaces in agitated aqueous electrolyte solutions, the improvement comprising that the electrolyte used is an aqueous solution of an aluminum salt.

REFERENCES:
patent: 2598043 (1952-05-01), Eichner
patent: 2853445 (1958-09-01), Catotti et al.
patent: 3284326 (1966-11-01), Martin
patent: 3316164 (1967-04-01), Welch, Jr.

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