Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880434 | Method of obtaining dyed and finished cellulose fiber materials using reactive metallized formazan dye with no color change | Tetsuya Miyamoto, Kunihiko Imada, Takashi Omura | 1989-11-14 |
| 4880431 | Aryl monoazo pyridone yellow compound having two vinylsulfone type fiber reactive groups bonded to a triazine ring for dyeing cellulose or polyamide | Kazufumi Yokogawa, Takashi Omura | 1989-11-14 |
| 4879372 | Fiber reactive compound having sym-triazine and aminobenzoylamine moieties | Toshihiko Morimitsu, Takashi Omura | 1989-11-07 |
| 4873321 | Monazo compounds having a triozinyl bridging group and two vinylsulfone type fiber reactive groups | Takashi Omura, Sadanobu Kikkawa, Toshihiko Morimitsu, Tetsuya Miyamoto | 1989-10-10 |
| 4843149 | Fiber reactive yellow dye of acetoacetonilide having vinyl sulfone-type reactive group | Yutaka Kayane, Hirokazu Sawamoto, Takashi Omura, Akira Takeshita | 1989-06-27 |
| 4841032 | Fiber reactive monoazo compounds having two vinylsulfone type fiber reactive groups in the molecule | Toshihiko Morimitsu, Sadanobu Kikkawa, Takashi Omura | 1989-06-20 |
| 4841048 | Dioxazine compound having vinylsulfone type fiber reactive group | Hirokazu Sawamoto, Takashi Omura | 1989-06-20 |
| 4841033 | Reactive red monoazo dye compound having two vinylsulfone type fiber reactive groups | Toshihiko Morimitsu, Sadanobu Kikkawa, Takashi Omura | 1989-06-20 |