Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833248 | Catalyst for vapor-phase intramolecular dehydration reaction of alkanolamines | Yuuji Shimasaki, Hideaki Tuneki, Youichi Hino, Michio Ueshima | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833248 | Catalyst for vapor-phase intramolecular dehydration reaction of alkanolamines | Yuuji Shimasaki, Hideaki Tuneki, Youichi Hino, Michio Ueshima | 1989-05-23 |