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PCE
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DIFF Subgroup
C23C 2/04

characterised by the coating material

Introduced: January 1985

Full Title

Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor > characterised by the coating material

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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  • C23C 2/06 Zinc or cadmium or alloys based thereon since 1985 IPC+CPC Available in IPC and CPC
  • C23C 2/08 Tin or alloys based thereon since 1985 IPC+CPC Available in IPC and CPC
  • C23C 2/10 Lead or alloys based thereon since 1985 IPC+CPC Available in IPC and CPC
  • C23C 2/12 Aluminium or alloys based thereon since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C23,2013–2023, worldwide · Source: EPO PATSTAT

  1. APPLIED MATERIALS US 8,096
  2. TOKYO ELECTRON JP 3,985
  3. CHINESE ACADEMY OF SCIENCES 2,842
  4. LAM RESEARCH CORPORATION US 2,654
  5. TOKYO ELECTRON 2,540
  6. NIPPON STEEL CORPORATION JP 2,465
  7. JFE STEEL JP 2,368
  8. ASM IP HOLDING NL 2,092
  9. APPLIED MATERIALS 1,877
  10. POSCO (POHANG IRON AND STEEL COMPANY) KR 1,782

Top Applicants (CPC)

Class C23,2013–2023, worldwide · Source: EPO PATSTAT

  1. APPLIED MATERIALS US 10,596
  2. TOKYO ELECTRON JP 5,229
  3. LAM RESEARCH CORPORATION US 3,622
  4. NIPPON STEEL CORPORATION JP 3,171
  5. JFE STEEL JP 3,128
  6. ASM IP HOLDING NL 2,722
  7. ARCELORMITTAL LU 2,481
  8. TOKYO ELECTRON 2,359
  9. APPLIED MATERIALS 2,284
  10. CHINESE ACADEMY OF SCIENCES 2,110