Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1976-12-02
1977-10-04
Tufariello, T. M.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
20412975, C25F 304, C25F 300
Patent
active
040522750
ABSTRACT:
A method for electrolytically graining the surface of aluminum sheets useful in the production in lithographic printing plates which comprises subjecting said aluminum sheets to the action of an electric current in an aqueous electrolytic solution containing, in combination, small but effective amounts of both hydrochloric and tartaric acids.
REFERENCES:
patent: 3728237 (1973-04-01), Heijenbrok et al.
patent: 3935080 (1976-01-01), Gumbinner et al.
patent: 3963594 (1976-06-01), Brasko
patent: 3980539 (1976-09-01), Lloyd et al.
Gumbinner Robert
Huang Jen-chi
Polychrome Corporation
Tufariello T. M.
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