Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344569 | Process for recovering thiocyanate | Shiro Kawasaki | 1994-09-06 |
| 5300229 | Process for removing colored components from solvent for polyacrylonitrile | Shiro Kawasaki | 1994-04-05 |