CPC Main Group Additional Only
C07C 2523/00 Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 (C07C2521/16 takes precedence)
9 direct subcodes
Child Classifications
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- C07C 2523/02 of the alkali- or alkaline earth metals or beryllium
- C07C 2523/06 of zinc, cadmium or mercury
- C07C 2523/08 of gallium, indium or thallium
- C07C 2523/10 of rare earths
- C07C 2523/12 of actinides
- C07C 2523/14 of germanium, tin or lead
- C07C 2523/16 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C 2523/38 of noble metals
- C07C 2523/70 of the iron group metals or copper
Top Applicants
Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT
- ROCHE CH 12,683
- NOVARTIS CH 10,775
- CHINESE ACADEMY OF SCIENCES 10,619
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
- REGENERON PHARMACEUTICALS US 8,426
- BRISTOL-MYERS SQUIBB COMPANY US 7,979
- LG CHEM KR 7,978
- HARVARD UNIVERSITY US 7,706
- UNIVERSITY OF CALIFORNIA US 7,455
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219