IPC Main Group
C08L 51/00 Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
Introduced: July 1974
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- Subclass:
- COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
Related Keywords
compositions of graft GRAFTMACROMOLECULAR based on graft copolymers
5 direct subcodes
Child Classifications
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- C08L 51/02 grafted on to polysaccharides
- C08L 51/04 grafted on to rubbers
- C08L 51/06 grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
- C08L 51/08 grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08L 51/1 grafted on to inorganic materials
Top Applicants
Top 10 applicants by patent filingsfor 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