C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
204/110, 204/119
C23F 13/04 (2006.01) B41F 13/00 (2006.01) B41F 21/00 (2006.01) B41F 22/00 (2006.01) B41F 35/00 (2006.01) B41N 3/08 (2006.01) C23F 13/06 (2006.01)
Patent
CA 2035118
A-704 23.02.1990 - 14 - gr25010 ABSTRACT The object of the present invention is to propose a process and a device that make it possible to control the wetting behaviour of metal surfaces. For this purpose, an electrolyte (18) is applied to the surface of a passivatable metal. A voltage is applied between electrolyte (18) and metal, said voltage being rated as a function of the respective metal such that an oleophilic (hydrophobic) or an oleophobic (hydrophilic) surface state is obtained. Fig. 2
Beck Hans-Jurgen
Nowara Gabriele
Dennison Associates
Heidelberger Druckmaschinen Aktiengesellschaft
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