Copolymers of ethene (C08L23/16 takes precedence)

Introduced: July 1974

Title

Titles differ between systems:

IPC: Copolymers of ethene

CPC: Copolymers of ethene (C08L23/16 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers > not modified by chemical after-treatment > Homopolymers or copolymers of ethene > Copolymers of ethene

CPC:

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2025.

Child Classifications

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C08L 23/0807 with unsaturated hydrocarbons only containing four or more carbon atoms since 2025 +4 CPC IPC+CPC Available in IPC and CPC
C08L 23/0846 with unsaturated hydrocarbons containing atoms other than carbon or hydrogen since 2025 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