Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868226 | Process for producing filler-containing polypropylene resin composition | Tatsuyuki Mitsuno, Akio Daimon | 1989-09-19 |
| 4816340 | Polyolefin composition and molded article obtained therefrom | Toshiki Doi, Hideyuki Kuribayashi | 1989-03-28 |