Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832698 | Aqueous liquid composition of vinylsulfone type reactive dyes in lithium salt form and buffer | Shinei Ikeou, Noriaki Yamauchi, Kunihiko Imada, Yutaka Kayane | 1989-05-23 |