Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4656147 | Method for recovering denitrating catalyst for ammonia catalytic reduction | Kozo Iida, Naruo Yokoyama, Yoshiaki Obayashi, Shigeaki Mitsuoka | 1987-04-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4656147 | Method for recovering denitrating catalyst for ammonia catalytic reduction | Kozo Iida, Naruo Yokoyama, Yoshiaki Obayashi, Shigeaki Mitsuoka | 1987-04-07 |