SE348008BSE41769ASE41769ASE348008BSE 348008 BSE348008 BSE 348008BSE 41769 ASE41769 ASE 41769ASE 41769 ASE41769 ASE 41769ASE 348008 BSE348008 BSE 348008B
Authority
SE
Sweden
Application number
SE41769A
Inventor
G Mueller
W Ernst
W Rausch
H Hansen
Original Assignee
Metallgesellschaft Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19681696144external-prioritypatent/DE1696144A1/de
Application filed by Metallgesellschaft AgfiledCriticalMetallgesellschaft Ag
Publication of SE348008BpublicationCriticalpatent/SE348008B/xx
C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
C23C22/78—Pretreatment of the material to be coated