CPC Subgroup
C08K 5/36 Sulfur-, selenium-, or tellurium-containing compounds
Full Title
Use of organic ingredients > Sulfur-, selenium-, or tellurium-containing compounds
7 direct subcodes
Child Classifications
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- C08K 5/37 Thiols
- C08K 5/38 Thiocarbonic acids; Derivatives thereof, e.g. xanthates
- C08K 5/39 Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
- C08K 5/41 Compounds containing sulfur bound to oxygen
- C08K 5/43 Compounds containing sulfur bound to nitrogen
- C08K 5/45 Heterocyclic compounds having sulfur in the ring
- C08K 5/48 Selenium- or tellurium-containing compounds
Top Applicants
Top 10 applicants by patent filingsfor class C08, 2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 15,432
- DOW GLOBAL TECHNOLOGIES US 14,214
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 11,155
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,455
- FUJIFILM JP 6,178
- CHINESE ACADEMY OF SCIENCES 5,569
- SHIN-ETSU CHEMICAL COMPANY JP 5,506
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,443
- TORAY INDUSTRIES JP 4,635
- NITTO DENKO CORPORATION JP 4,620