Patent classifications
C
CHEMISTRY; METALLURGY
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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
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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
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22/00
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
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C23C22/14

High temperature conversion coating on steel and iron substrates
09926628 · 2018-03-27 · ·

The present invention is directed to compositions and methods for forming conversion coatings on a surface of a substrate by contacting a liquid composition to the surface of the substrate at a high temperature (i.e., 400 F. or above).

High temperature conversion coating on steel and iron substrates
09926628 · 2018-03-27 · ·

The present invention is directed to compositions and methods for forming conversion coatings on a surface of a substrate by contacting a liquid composition to the surface of the substrate at a high temperature (i.e., 400 F. or above).