Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872881 | Mixtures of water-soluble red and yellow or blue reactive dyes and a method of dyeing cellulosic fibers using such dye mixtures | Takashi Fujita, Toshio Hihara, Yoshio Kogure, Riyouichi Sekioka | 1989-10-10 |