Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294723 | Heat resistant catalyst for the production of sulfuric acid for using a gas containing sulfur dioxide in a high concentration | Toshihide Kanzaki, Hisanao Motomuro, Akiyoshi Adachi | 1981-10-13 |
| 4285927 | Production of sulfuric acid using a K.sub.2 SO.sub.4, V.sub.2 O.sub.5, diatomaceous earth catalyst | Toshihide Kanzaki, Hisanao Motomuro, Akiyoshi Adachi | 1981-08-25 |