SK

Sadanobu Kikkawa

SC Sumitomo Chemical: 4 patents #13 of 315Top 5%
Overall (1989): #3,835 of 140,708Top 3%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4873321 Monazo compounds having a triozinyl bridging group and two vinylsulfone type fiber reactive groups Takashi Omura, Toshihiko Morimitsu, Naoki Harada, Tetsuya Miyamoto 1989-10-10
4841032 Fiber reactive monoazo compounds having two vinylsulfone type fiber reactive groups in the molecule Toshihiko Morimitsu, Naoki Harada, Takashi Omura 1989-06-20
4841033 Reactive red monoazo dye compound having two vinylsulfone type fiber reactive groups Toshihiko Morimitsu, Naoki Harada, Takashi Omura 1989-06-20
4837310 Red or bluish-red fiber-reactive monoazo compound having 7-substituted amino-1-naphthol-sulfonic acid as coupling component between the chromophore and fiber reactive portions of the compound Toshihiko Morimitsu, Takashi Omura 1989-06-06