C
SECTION C — CHEMISTRY AND METALLURGY
  
METALLURGY
 C23
WORKING AND TREATMENT OF METALS, OTHER THAN BY MECHANICAL MEANS; COVERING MATERIALS WITH METALS (decorating textiles by metallising D06Q 1/04); INHIBITING CORROSION OR INCRUSTATION IN GENERAL
 C23B
ELECTROLYTIC SURFACE TREATMENT OF OR WITH METALS, e.g. ELECTROPLATING (Electrolytic processes or apparatus in general B01K); ELECTROLIFORMING; COATING METALS BY ELECTROPHORESIS
 C23B 1/00
Electrochemical processes and apparatus for removing non-metallic substances from metal articles, including pickling (C23B 5/68 takes precedence; cleaning or pickling by chemical means C23G)
 C23B 1/02
·  with electrical contact between the article and another metal in a solution and without externally applied e.m.f.
 C23B 1/04
·  Electrolytic degreasing
 C23B 1/06
·  Electrolytic pickling
 C23B 3/00
Electrolytic etching or polishing
 C23B 3/02
·  Etching
 C23B 3/04
·  ·  locally (using electro-erosion technique B23P 1/00)
 C23B 3/06
·  Polishing
 C23B 3/08
·  ·  heavy metals
 C23B 3/10
·  ·  light metals
 C23B 3/12
·  Apparatus (C23B 5/68 takes precedence)
 C23B 5/00
Electrolytic deposition of metals (electroforming C23B 7/00; by direct action of high concentrations of electric current applied by tool-like devices B23P 1/18)
 C23B 5/02 - 
C23B 5/46

Note(s)

Group C23B 5/02 takes precedence over C23B 5/04-C23B 5/46

 C23B 5/02
·  Contact electoplating processes
 C23B 5/04
·  of iron
 C23B 5/06
·  of chromium
 C23B 5/08
·  of nickel or cobalt
 C23B 5/10
·  of zinc or cadmium
 C23B 5/12
·  ·  from acid baths
 C23B 5/14
·  of tin
 C23B 5/16
·  of lead
 C23B 5/18
·  of copper
 C23B 5/20
·  ·  from acid baths
 C23B 5/22
·  of light metals
 C23B 5/24
·  of noble metals
 C23B 5/26
·  ·  of silver
 C23B 5/28
·  ·  of gold
 C23B 5/30
·  of metals not mentioned before
 C23B 5/32
·  of alloys
 C23B 5/34
·  ·  containing more than 50% of copper
 C23B 5/36
·  ·  ·  of brass
 C23B 5/38
·  ·  of alloys containing more than 50 % tin
 C23B 5/40
·  ·  of alloys containing more than 50 % lead
 C23B 5/42
·  ·  of alloys containing more than 50 % gold
 C23B 5/44
·  ·  of alloys containing more than 50 % silver
 C23B 5/46
·  in the presence of organic brightening agents
 C23B 5/48
·  Special features in the process
 C23B 5/50
·  ·  Depositing more than one layer of the same or of different metals
 C23B 5/52
·  ·  Thermal after-treatment
 C23B 5/54
·  ·  Making coatings with varying thickness
 C23B 5/56
·  ·  Electroplating tubes
 C23B 5/58
·  ·  Electroplating wire or matel bands
 C23B 5/60
·  ·  for coating articles having surfaces to which coatings cannot be readily applied
 C23B 5/62
·  ·  ·  by pre-treatment of the articles
 C23B 5/64
·  ·  ·  ·  Applying conductive coatings to non-metallic articles for electroplating purposes (metal coatings on glass C03C 17/06)
 C23B 5/66
·  ·  Using protective surface layers on electrolytic baths
 C23B 5/68
·  Apparatus specially adapted for electroplating purposes (apparatus for continuously conveying articles in baths, automatic conveyers B65G)
 C23B 5/70
·  ·  Suspending or supporting devices; Racks
 C23B 5/72
·  ·  Electrodes
 C23B 5/74
·  ·  ·  Shape
 C23B 5/76
·  ·  ·  for electroplating by hand
 C23B 5/78
·  ·  Horizontal barrels; Oblique barrels; Oscillating cradile plates
 C23B 7/00
Electroforming
 C23B 7/02
·  Making tubes
 C23B 7/04
·  Making wire, bands, or foils
 C23B 7/06
·  Making wholly-metallic mirrors
 C23B 7/08
·  Making easily-removable coatings; Removing the coatings
 C23B 9/00
Forming oxide layers on metals by anodising
 C23B 9/02
·  on aluminium or aluminium alloys
 C23B 9/04
·  ·  on sliding-clasp fasteners
 C23B 9/06
·  on magnesium or magnesium alloys
 C23B 11/00
Forming non-metallic layers including metal oxide layers on metals by electrochemical processes (by anodising metals C23B 9/00)
 C23B 11/02
·  on light metals
 C23B 13/00
Coating of metals by electrophoresis