Inventor
TAKESHITA AKIRA
JP23 patents
⚠️ This page may combine multiple inventors who share the name “TAKESHITA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
15 patentsUS4912264AMar 27, 1990
Method for producing hydroxy-containing alkylated aromatic compounds
SUMITOMO CHEMICAL CO32 citations91
US5166451ANov 24, 1992
Treatment of hydroperoxide mixture
SUMITOMO CHEMICAL CO7 citations73
US4631341ADec 23, 1986
Anthraquinone compound having both monohalogenotriazinyl and vinylsulfone type fiber reactive groups
SUMITOMO CHEMICAL CO13 citations73
US4618671AOct 21, 1986
4-methyl-pyridone monoazo compound having both monochlorotriazinyl and vinylsulfone type fiber-reactive groups
SUMITOMO CHEMICAL CO7 citations73
US4511507AApr 16, 1985
Monoazo compound having both monochlorotriazinyl and vinylsulfone type reactive groups
SUMITOMO CHEMICAL CO7 citations73
US4626589ADec 2, 1986
Organic dye compound having both pyridiniotriazinyl and vinylsulfone type fiber-reactive groups
SUMITOMO CHEMICAL CO13 citations72
US4505714AMar 19, 1985
Phthalocyanine fiber reactive compound
SUMITOMO CHEMICAL CO9 citations72
US4299771ANov 10, 1981
Process for producing anthraquinone compounds
SUMITOMO CHEMICAL CO12 citations72
US4519947AMay 28, 1985
Process for producing anthraquinone compounds
SUMITOMO CHEMICAL CO7 citations71
US4684721AAug 4, 1987
Fiber-reactive phthalocyanine compound having both vinylsulfone type and dihalogenotriazinyl groups
SUMITOMO CHEMICAL CO2 citations63
US4843149AJun 27, 1989
Fiber reactive yellow dye of acetoacetonilide having vinyl sulfone-type reactive group
SUMITOMO CHEMICAL CO4 citations62
US4701524AOct 20, 1987
Pyridone monoazo compound having vinylsulfone type fiber-reactive group
SUMITOMO CHEMICAL CO5 citations62
US4607102AAug 19, 1986
Dioxazine fiber reactive compound
SUMITOMO CHEMICAL CO3 citations62
US4292247ASep 29, 1981
Process for producing anthraquinone intermediates
SUMITOMO CHEMICAL CO5 citations61
US4510087AApr 9, 1985
Process for producing 1,4-diaminoanthraquinone-2-sulfonic acid
SUMITOMO CHEMICAL CO4 citations60