Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816536 | Polymers of 3,4-substituted pyrrole compounds and their preparation method | Takeo Shimizu, Tomoyuki Inoue, Hiroshi Takahashi | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816536 | Polymers of 3,4-substituted pyrrole compounds and their preparation method | Takeo Shimizu, Tomoyuki Inoue, Hiroshi Takahashi | 1989-03-28 |