TREA

NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25

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Industry

  • CPC
  • C23F

Parent Industries

CCHEMISTRY METALLURGY C23Surface treatment

Current Industry

C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25

Sub Industries

C23F1/00Etching metallic material by chemical means C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent C23F13/00Inhibiting corrosion of metals by anodic or cathodic protection C23F14/00Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes C23F15/00Other methods of preventing corrosion or incrustation C23F17/00Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25 C23F2201/00Type of materials to be protected by cathodic protection C23F2213/00Aspects of inhibiting corrosion of metals by anodic or cathodic protection C23F3/00Brightening metals by chemical means C23F4/00Processes for removing metallic material from surfaces, not provided for in group C23F1/00 or C23F3/00
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