CPC Main Group Additional Only
C08J 2477/00 Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
5 direct subcodes
Child Classifications
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- C08J 2477/02 Polyamides derived from omega-amino carboxylic acids or from lactams thereof (C08J2477/10 takes precedence)
- C08J 2477/04 Polyamides derived from alpha-amino carboxylic acids (C08J2477/10 takes precedence)
- C08J 2477/06 Polyamides derived from polyamines and polycarboxylic acids (C08J2477/10 takes precedence)
- C08J 2477/10 Polyamides derived from aromatically bound amino and carboxyl groups of amino carboxylic acids or of polyamines and polycarboxylic acids
- C08J 2477/12 Polyester-amides
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