Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855365 | Poly-.beta.-alanine compound, a process for producing the same and a polyacetal resin composition containing a poly-.beta.-alanine compound | Teruyuki Misumi | 1989-08-08 |