Issued Patents 1989
Showing 1–3 of 3 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 | Naoki Harada, Takashi Omura | 1989-11-14 |
| 4824942 | Fiber-reactive monoazo compound and aqueous compositions thereof imparting and color | Noriaki Yamauchi, Takashi Omura | 1989-04-25 |
| 4812558 | Triazine compound having two vinylsulfone type fiber reactive groups | Takashi Omura | 1989-03-14 |