Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871819 | Ethylene copolymer and process for the production thereof | Iwao Ishino, Takeo Shimada, Yuji Ozeki | 1989-10-03 |
| 4829111 | Stabilizer composition for synthetic resin and synthetic resin composition containing the same | Kazuyuki Iida, Hiroyuki Omori, Masami Takahashi | 1989-05-09 |