by reaction with halogens or compounds containing halogen (C09D123/32 takes precedence)

Full Title

Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers > modified by chemical after-treatment > by reaction with halogens or compounds containing halogen (C09D123/32 takes precedence)

2 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class C09, 2013–2023, worldwide · Source: EPO PATSTAT

LG CHEM KR 7,954
HALLIBURTON ENERGY SERVICES GROUP US 6,584
NITTO DENKO CORPORATION JP 6,500
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,490
DOW GLOBAL TECHNOLOGIES US 6,324
FUJIFILM JP 5,832
MERCK PATENT DE 5,481
BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,147
SAMSUNG DISPLAY KR 5,105
NITTO DENKO CORPORATION 3,584