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CPC Subgroup
C25B 11/091

consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds

Full Title

Electrodes; Manufacture thereof not otherwise provided for > characterised by the material > Electrodes formed of electrocatalysts on a substrate or carrier > characterised by the electrocatalyst material > consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds

3 direct subcodes

Child Classifications

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  • C25B 11/093 at least one noble metal or noble metal oxide and at least one non-noble metal oxide
  • C25B 11/095 at least one of the compounds being organic
  • C25B 11/097 comprising two or more noble metals or noble metal alloys

Top Applicants

Top 10 applicants by patent filingsfor class C25, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 1,393
  2. JFE STEEL JP 914
  3. EBARA CORPORATION JP 738
  4. INDUSTRIE DE NORA IT 674
  5. JX NIPPON MINING & METALS CORPORATION JP 652
  6. NIPPON STEEL CORPORATION JP 633
  7. CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 630
  8. ROBERT BOSCH DE 626
  9. SIEMENS DE 587
  10. ATOTECH DEUTSCHLAND DE 561