DIFF Subgroup
C08F 290/08 on to polymers modified by introduction of unsaturated side groups
Introduced: January 1995
Full Title
Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups > on to polymers modified by introduction of unsaturated side groups
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1995.
Child Classifications
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- C08F 290/12 Polymers provided for in subclasses C08C or C08F since 1995 +4 CPC IPC+CPC Available in IPC and CPC
- C08F 290/14 Polymers provided for in subclass C08G since 1995 +6 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class C08,2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 14,262
- DOW GLOBAL TECHNOLOGIES US 12,486
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,858
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,877
- CHINESE ACADEMY OF SCIENCES 6,993
- FUJIFILM JP 5,049
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 4,923
- SHIN-ETSU CHEMICAL COMPANY JP 4,517
- BOREALIS AT 4,213
- ARKEMA FR 4,098
Top Applicants (CPC)
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