Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885286 | Phosphonamidothionate derivatives and their use as pesticides | Hiromichi Yoshikawa | 1989-12-05 |
| 4855365 | Poly-.beta.-alanine compound, a process for producing the same and a polyacetal resin composition containing a poly-.beta.-alanine compound | Fumihiko Yamamoto | 1989-08-08 |