C - Chemistry – Metallurgy – 25 – F
Patent
C - Chemistry, Metallurgy
25
F
204/86.5
C25F 3/04 (2006.01) B41C 1/00 (2006.01) B41N 3/03 (2006.01)
Patent
CA 1280997
ABSTRACT OF THE DISCLOSURE Disclosed is a process for the electrochemical roughening of aluminum or aluminum alloys useful for printing plate supports, in which an electrolyte con- taining chloride ions and ammonium ions, preferably hydrochloric acid and ammonium chloride, respectively, is employed. Also disclosed is a printing plate sup- port roughened by the above process which possesses a particularly uniform graining structure.
501182
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Pliefke Engelbert
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