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CPC Subgroup Additional Only
C07C 2523/56

Platinum group metals

Full Title

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 (C07C2521/16 takes precedence) > of noble metals > combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36 > Platinum group metals

5 direct subcodes

Child Classifications

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  • C07C 2523/58 with alkali- or alkaline earth metals or beryllium
  • C07C 2523/60 with zinc, cadmium or mercury
  • C07C 2523/62 with gallium, indium, thallium, germanium, tin or lead
  • C07C 2523/63 with rare earths or actinides

Top Applicants

Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROCHE CH 12,683
  2. NOVARTIS CH 10,775
  3. CHINESE ACADEMY OF SCIENCES 10,619
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
  5. REGENERON PHARMACEUTICALS US 8,426
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,979
  7. LG CHEM KR 7,978
  8. HARVARD UNIVERSITY US 7,706
  9. UNIVERSITY OF CALIFORNIA US 7,455
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219