Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331822 | Isomerization of xylene | Tokuji Sakai, Yasuo Yamasaki, Koji Sumitani | 1982-05-25 |
| 4320242 | Process for selective dealkylation of alkyl-substituted aromatic hydrocarbons | Tokuji Sakai, Yasuo Yamasaki, Koji Sumitani, Minekazu Sueoka | 1982-03-16 |