B - Operations – Transporting – 41 – C
Patent
B - Operations, Transporting
41
C
B41C 1/00 (2006.01) B41N 3/03 (2006.01) C25F 3/04 (2006.01)
Patent
CA 2077306
Abstract of the Disclosure A process for roughening aluminum or aluminum alloys useful as support material for printing plates, in which process two electrochemical roughening steps are carried out in direct succession and are followed by a pickling step. Printing plates are produced from this support material by coating with light-sensitive coatings, which printing plates, when exposed and developed, give corresponding printing formes of very uniform topography, high run stability and good damping agent supply.
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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