Issued Patents 1989
Showing 1–4 of 4 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 | Toshio Hihara, Yoshio Kogure, Riyouichi Sekioka, Noboru Nakamura | 1989-10-10 |
| 4870043 | Catalysts for the polymerization of olefins | Mitsuyuki Matsuura | 1989-09-26 |
| 4822763 | Catalyst component for polymerization of olefin | Mitsuyuki Matsuura | 1989-04-18 |
| 4814314 | Catalyst for olefin polymerization | Mitsuyuki Matsuura, Katsumi Hirakawa | 1989-03-21 |