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 1325788
Abstract of the Disclosure A process is disclosed for the electrochemical roughening of aluminum for use in printing plate supports, which is carried out by means of an electrolyte containing sulfate ions and aluminum chloride; preference is given to sulfuric acid and aluminum chloride. Printing plate supports roughened by the process according to the present invention show a particularly uniform, pit-free and overall roughening structure.
567633
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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