Issued Patents 1989
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Naoki Harada | 1989-11-14 |
| 4880434 | Method of obtaining dyed and finished cellulose fiber materials using reactive metallized formazan dye with no color change | Naoki Harada, Tetsuya Miyamoto, Kunihiko Imada | 1989-11-14 |
| 4879372 | Fiber reactive compound having sym-triazine and aminobenzoylamine moieties | Toshihiko Morimitsu, Naoki Harada | 1989-11-07 |
| 4873321 | Monazo compounds having a triozinyl bridging group and two vinylsulfone type fiber reactive groups | Sadanobu Kikkawa, Toshihiko Morimitsu, Naoki Harada, Tetsuya Miyamoto | 1989-10-10 |
| 4843149 | Fiber reactive yellow dye of acetoacetonilide having vinyl sulfone-type reactive group | Yutaka Kayane, Hirokazu Sawamoto, Naoki Harada, Akira Takeshita | 1989-06-27 |
| 4841033 | Reactive red monoazo dye compound having two vinylsulfone type fiber reactive groups | Toshihiko Morimitsu, Sadanobu Kikkawa, Naoki Harada | 1989-06-20 |
| 4841027 | Process for preparing phenyl- and naphthylazo-aminonaphthol sulphonic acids | Yutaka Kayane, Yasuo Tezuka, Hideharu Sone | 1989-06-20 |
| 4841032 | Fiber reactive monoazo compounds having two vinylsulfone type fiber reactive groups in the molecule | Toshihiko Morimitsu, Sadanobu Kikkawa, Naoki Harada | 1989-06-20 |
| 4841048 | Dioxazine compound having vinylsulfone type fiber reactive group | Hirokazu Sawamoto, Naoki Harada | 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, Sadanobu Kikkawa | 1989-06-06 |
| 4833123 | Yellow dye-donor element used in thermal transfer and thermal transfer and thermal transfer sheet using it | Kiyoyasu Hashimoto, Yasuyuki Suzuki, Yoshiaki Hayashi | 1989-05-23 |
| 4824942 | Fiber-reactive monoazo compound and aqueous compositions thereof imparting and color | Kazufumi Yokogawa, Noriaki Yamauchi | 1989-04-25 |
| 4812558 | Triazine compound having two vinylsulfone type fiber reactive groups | Kazufumi Yokogawa | 1989-03-14 |