Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225573 | Process for reductive calcining of magnesium sulfate | — | 1980-09-30 |
| 4218428 | Process for removing chlorine ions from the wet flue-gas processing system | Yuichi Etoh, Akira KITAYAMA, Shigeyoshi Okazaki | 1980-08-19 |