CPC Main Group Additional Only
C08J 2483/00 Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
5 direct subcodes
Child Classifications
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- C08J 2483/02 Polysilicates
- C08J 2483/04 Polysiloxanes
- C08J 2483/10 Block- or graft-copolymers containing polysiloxane sequences
- C08J 2483/14 in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms (C08J2483/10 takes precedence)
- C08J 2483/16 in which all the silicon atoms are connected by linkages other than oxygen atoms
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