CPC Subgroup
C08K 5/16 Nitrogen-containing compounds
Full Title
Use of organic ingredients > Nitrogen-containing compounds
9 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C08K 5/17 Amines; Quaternary ammonium compounds
- C08K 5/20 Carboxylic acid amides
- C08K 5/205 Compounds containing [IMAGE cpc-sch-C08K-1010.gif] groups, e.g. carbamates
- C08K 5/21 Urea; Derivatives thereof, e.g. biuret
- C08K 5/22 Compounds containing nitrogen bound to another nitrogen atom
- C08K 5/29 Compounds containing carbon-to-nitrogen double bonds
- C08K 5/315 Compounds containing carbon-to-nitrogen triple bonds
- C08K 5/32 Compounds containing nitrogen bound to oxygen
- C08K 5/34 Heterocyclic compounds having nitrogen in the ring
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