CPC Subgroup Additional Only
C08J 2483/04 Polysiloxanes
Full Title
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 > Polysiloxanes
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C08J 2483/05 containing silicon bound to hydrogen
- C08J 2483/06 containing silicon bound to oxygen-containing groups (C08J2483/12 takes precedence)
- C08J 2483/07 containing silicon bound to unsaturated aliphatic groups
- C08J 2483/08 containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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