CPC Subgroup
C23C 18/20 of organic surfaces, e.g. resins
Full Title
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) > Pretreatment of the material to be coated > of organic surfaces, e.g. resins
3 direct subcodes
Child Classifications
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- C23C 18/22 Roughening, e.g. by etching
- C23C 18/28 Sensitising or activating
Top Applicants
Top 10 applicants by patent filingsfor 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