Inventor

SEKIHACHI JUNICHI

JP7 patents

Patents

7 patents

US5223616AJun 29, 1993

Heterocyclic disperse dye compound, their production and their use for dyeing or printing of hydrophobic fibers

SUMITOMO CHEMICAL CO8 citations73

US5038415AAug 13, 1991

Disperse dye composition useful for dyeing of printing hydrophobic fiber materials: mixture of pyridone mono-azo dyes and optionally a quino-phthalone

SUMITOMO CHEMICAL CO15 citations72

US6146430ANov 14, 2000

Asymmetric dioxazine compound and method for dyeing or printing fiber Material using the same

SUMITOMO CHEMICAL CO8 citations64

US6218552B1Apr 17, 2001

3-phenyl-7-[4-(tetrahydrofurfuryloxy)phenyl]-1,5-dioxa-s-indacene-2,6-dione

SUMITOMO CHEMICAL CO3 citations62

US5424455AJun 13, 1995

Heterocyclic compounds for making red disperse dyes

SUMITOMO CHEMICAL CO6 citations62

US5286881AFeb 15, 1994

Process for producing benzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials

SUMITOMO CHEMICAL CO6 citations62

US5075429ADec 24, 1991

Monoazo-disperse dye compounds their production and their use

SUMITOMO CHEMICAL CO2 citations62