C - Chemistry – Metallurgy – 25 – F
Patent
C - Chemistry, Metallurgy
25
F
204/86.5
C25F 3/04 (2006.01) B41N 3/03 (2006.01)
Patent
CA 1275068
ABSTRACT OF THE DISCLOSURE Disclosed is a process for the electrochemical roughening of aluminum or aluminum alloys useful for printing plate supports, in which a nitric acid electrolyte is employed. The nitric acid electrolyte includes at least one compound containing ammonium ions. Also disclosed is a printing plate support, roughened by the above process which possesses a par- ticularly uniform graining structure.
501184
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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