CPC Subgroup
C09K 15/04 containing organic compounds
Full Title
Anti-oxidant compositions; Compositions inhibiting chemical change ( , in foodstuffs A21D, A23, , in macromolecular compositions C08; in liquid fuels or lubricants C10; in fats, fatty substances, fatty oils or waxes C11B5/00; in detergents C11D; ; corrosion inhibiting compositions for metallic material C23F11/00) > containing organic compounds
9 direct subcodes
Child Classifications
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- C09K 15/06 containing oxygen
- C09K 15/10 containing sulfur
- C09K 15/12 containing sulfur and oxygen
- C09K 15/16 containing nitrogen
- C09K 15/20 containing nitrogen and oxygen
- C09K 15/26 containing nitrogen and sulfur
- C09K 15/28 containing nitrogen, oxygen and sulfur
- C09K 15/30 containing heterocyclic ring with at least one nitrogen atom as ring member
- C09K 15/32 containing boron, silicon, phosphorus, selenium, tellurium or a metal
Top Applicants
Top 10 applicants by patent filingsfor class C09, 2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 7,954
- HALLIBURTON ENERGY SERVICES GROUP US 6,584
- NITTO DENKO CORPORATION JP 6,500
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,490
- DOW GLOBAL TECHNOLOGIES US 6,324
- FUJIFILM JP 5,832
- MERCK PATENT DE 5,481
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,147
- SAMSUNG DISPLAY KR 5,105
- NITTO DENKO CORPORATION 3,584