IPC 7 English version C23C 18/00-C23C 30/00

C23C01800-C23C03000

SECTION C – CHEMISTRY; METALLURGY

C 23

COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL (by metallising textiles D06M 11/83; decorating textiles by locally metallising D06Q 1/04); CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (for specific applications, see the relevant places, e.g. for manufacturing resistors H01C 17/06); INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL (treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D, C25F) [2]

C 23 C

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 (applying liquids or other fluent materials to surfaces in general B05; making metal-coated products by extrusion B21C 23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D 39/00, B23K; working of metal by the action of a high concentration of electric current on a workpiece using an electrode B23H; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B 41/00; paints, varnishes, laquers C09D; enamelling of, or applying a vitreous layer to, metals C23D; inhibiting corrosion of metallic material or incrustation in general C23F; single-crystal film growth C30B; details of scanning-probe apparatus, in general G12B 21/00; manufacture of semiconductor devices H01L; manufacture of printed circuits H05K) [4]

18/

Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating (chemical surface reaction C23C 8/00, C23C 22/00); Contact plating [4]

Note

This group covers also suspensions containing reactive liquids and non-reactive solid particles. [4]

18/

by thermal decomposition [4]

18/

Pretreatment of the material to be coated (C23C 18/06 takes precedence) [4]

18/

Coating on selected surface areas, e.g. using masks [4]

18/

characterised by the deposition of metallic material [4]

18/

Deposition of aluminium only [4]

18/

characterised by the deposition of inorganic material other than metallic material [4]

18/

Decomposition by irradiation, e.g. photolysis, particle radiation [4]

18/

by reduction or substitution, i.e. electroless plating (C23C 18/54 takes precedence) [4]

18/

Pretreatment of the material to be coated [4]

18/

of organic surfaces, e.g. resins [4]

18/

Roughening, e.g. by etching [4]

18/

using acid aqueous solutions [4]

18/

using organic liquids [4]

18/

Sensitising or activating [4]

18/

Activating [4]

18/

Coating with metals [5]

18/

Coating with one of iron, cobalt or nickel; Coating with mixtures of phosphorus or boron with one of these metals [4,5]

18/

using reducing agents [4,5]

18/

using hypophosphites [4,5]

18/

Coating with copper [4,5]

18/

using reducing agents [4,5]

18/

Coating with noble metals [4,5]

18/

using reducing agents [4,5]

18/

Coating with alloys [4,5]

18/

with alloys based on iron, cobalt or nickel (C23C 18/32 takes precedence) [4,5]

18/

using reducing agents for coating with metallic material not provided for in a single one of groups C23C 18/32 to C23C 18/50 [4]

18/

Contact plating, i.e. electroless electrochemical plating [4]

20/

Chemical coating by decomposition of either solid compounds or suspensions of the coating forming compounds, without leaving reaction products of surface material in the coating (chemical surface reaction C23C 8/00, C23C 22/00) [4]

Note

This group covers also suspensions containing non-reactive liquids and reactive solid particles. [4]

20/

Coating with metallic material [4]

20/

with metals [4]

20/

Coating with inorganic material, other than metallic material [4]

20/

with compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides [4]

Chemical surface treatment of metallic material by reaction of the surface with a reactive medium (with a reactive gas C23C 8/00) [4]

22/

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 (wash primers C09D 5/12) [4]

Notes

(1)

This group covers also suspensions containing reactive liquids and non-reactive solid particles. [4]

(2)

In groups C23C 22/02 to C23C 22/86, in the absence of an indication to the contrary, classification is made in the last appropriate place. [4]

(3)

Rejuvenating of the bath is classified in the appropriate place for the specific bath composition. [4]

22/

using non-aqueous solutions [4]

22/

containing phosphorus compounds [4]

22/

containing hexavalent chromium compounds [4]

22/

using aqueous solutions [5]

22/

using aqueous acidic solutions with pH < 6 [4,5]

22/

containing phosphates [4,5]

22/

Orthophosphates [4,5]

22/

containing oxidants [4,5]

22/

containing zinc cations [4,5]

22/

containing also nitrate or nitrite anions [4,5]

22/

containing also chlorate anions [4,5]

22/

containing also peroxy-compounds [4,5]

22/

containing also organic acids [4,5]

22/

containing manganese cations [4,5]

22/

containing aluminium cations [4,5]

22/

containing alkaline earth metal cations [4,5]

22/

Condensed phosphates [4,5]

22/

containing hexavalent chromium compounds [4,5]

22/

containing also organic compounds [4,5]

22/

Acids [4,5]

22/

Macromolecular compounds [4,5]

22/

containing also trivalent chromium [4,5]

22/

containing also pulverulent metals [4,5]

22/

containing also phosphates [4,5]

22/

containing fluorides or complex fluorides [4,5]

22/

containing also phosphates [4,5]

22/

containing also hexavalent chromium compounds [4,5]

22/

containing also phosphates [4,5]

22/

containing molybdates, tungstates or vanadates [4,5]

22/

containing also phosphates [4,5]

22/

containing also hexavalent chromium compounds [4,5]

22/

containing also fluorides or complex fluorides [4,5]

22/

containing oxalates [4,5]

22/

containing also phosphates [4,5]

22/

not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates [4,5]

22/

Treatment of iron or alloys based thereon [4,5]

22/

Treatment of copper or alloys based thereon [4,5]

22/

Treatment of zinc or alloys based thereon [4,5]

22/

Treatment of refractory metals or alloys based thereon [4,5]

22/

Treatment of aluminium or alloys based thereon [4,5]

22/

Treatment of magnesium or alloys based thereon [4,5]

22/

Treatment of other metallic material [4,5]

22/

using alkaline aqueous solutions with pH > 8 [4,5]

22/

Treatment of iron or alloys based thereon [4,5]

22/

Treatment of copper or alloys based thereon [4,5]

22/

Treatment of refractory metals or alloys based thereon [4,5]

22/

Treatment of aluminium or alloys based thereon [4,5]

22/

with solutions containing hexavalent chromium [4,5]

22/

using aqueous solutions with pH between 6 and 8 [4,5]

22/

using melts [4]

22/

Treatment of iron or alloys based thereon [4]

22/

characterised by the process [4]

22/

for obtaining burned-in conversion coatings [4]

22/

Applying the liquid by spraying [4]

22/

Controlling or regulating of the coating process (controlling or regulating in general G05) [4]

22/

Pretreatment of the material to be coated [4]

22/

with solutions containing titanium or zirconium compounds [4]

22/

After-treatment [4]

22/

Chemical after-treatment [4]

22/

Dyeing [4]

22/

Regeneration of coating baths [4]

24/

Coating starting from inorganic powder (spraying of the coating material in molten state C23C 4/00; solid state diffusion C23C 8/00 to C23C 12/00; manufacture of composite layers, workpieces or articles by sintering metallic powder B22F 7/00; friction welding B23K 20/12) [4]

24/

by application of pressure only [4]

24/

Impact or kinetic deposition of particles [4]

24/

Compressing powdered coating material, e.g. by milling [4]

24/

by application of heat or pressure and heat (C23C 24/04 takes precedence) [4]

24/

with intermediate formation of a liquid phase in the layer [4]

26/

Coating not provided for in groups C23C 2/00 to C23C 24/00 [4]

26/

applying molten material to the substrate (applying melts to surfaces, in general B05) [4]

28/

Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups C23C 2/00 to C23C 26/00, or by combinations of methods provided for in subclasses C23C and C25C or C25D [4]

28/

only coatings of metallic material [4]

28/

only coatings of inorganic non-metallic material [4]

30/

Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process (C23C 26/00, C23C 28/00 take precedence) [4]

C23C 12/00 - C23C 16/56