CPC Subgroup Additional Only
C07C 2527/02 Sulfur, selenium or tellurium; Compounds thereof
Full Title
Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds > Sulfur, selenium or tellurium; Compounds thereof
4 direct subcodes
Child Classifications
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- C07C 2527/03 Acids of sulfur other than sulfhydric acid or sulfuric acid, e.g. halosulfonic acids
- C07C 2527/04 Sulfides
- C07C 2527/053 Sulfates or other compounds comprising the anion (SnO3n+1)2-
- C07C 2527/057 Selenium or tellurium; Compounds thereof
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