C23C 18/16 by reduction or substitution, e.g. electroless plating (C23C18/54 takes precedence)
Introduced: January 1985
Title
Titles differ between systems:
IPC: by reduction or substitution, i.e. electroless plating
CPC: by reduction or substitution, e.g. electroless plating (C23C18/54 takes precedence)
Full Title
Full titles differ between systems:
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; Contact plating > by reduction or substitution, i.e. electroless plating
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; Contact plating > by reduction or substitution, e.g. electroless plating (C23C18/54 takes precedence)
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
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- C23C 18/18 Pretreatment of the material to be coated since 1985 +2 CPC IPC+CPC Available in IPC and CPC
- C23C 18/52 using reducing agents for coating with metallic material not provided for in a single one of groups C23C18/32 - C23C18/50 since 1985 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class C23,2013–2023, worldwide · Source: EPO PATSTAT
- APPLIED MATERIALS US 8,096
- TOKYO ELECTRON JP 3,985
- CHINESE ACADEMY OF SCIENCES 2,842
- LAM RESEARCH CORPORATION US 2,654
- TOKYO ELECTRON 2,540
- NIPPON STEEL CORPORATION JP 2,465
- JFE STEEL JP 2,368
- ASM IP HOLDING NL 2,092
- APPLIED MATERIALS 1,877
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,782
Top Applicants (CPC)
Class C23,2013–2023, worldwide · Source: EPO PATSTAT
- APPLIED MATERIALS US 10,596
- TOKYO ELECTRON JP 5,229
- LAM RESEARCH CORPORATION US 3,622
- NIPPON STEEL CORPORATION JP 3,171
- JFE STEEL JP 3,128
- ASM IP HOLDING NL 2,722
- ARCELORMITTAL LU 2,481
- TOKYO ELECTRON 2,359
- APPLIED MATERIALS 2,284
- CHINESE ACADEMY OF SCIENCES 2,110