Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349524 | Process for producing purified hydrochloric acid | Yutaka Matsuo | 1982-09-14 |
| 4349525 | Process for purifying hydrochloric acid produced from alkali chloride and sulfuric acid | Yutaka Matsuo | 1982-09-14 |