CPC Main Group
C08K 13/00 Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
4 direct subcodes
Child Classifications
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- C08K 13/02 Organic and inorganic ingredients
- C08K 13/04 Ingredients characterised by their shape and organic or inorganic ingredients
- C08K 13/06 Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
- C08K 13/08 Ingredients of unknown constitution and ingredients covered by the main groups C08K3/00 - C08K9/00
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