Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780816 | Modified carrier, complex oxide catalyst and process for preparation of acrylic acid | Michio Tanimoto, Daisuke Nakamura | 2004-08-24 |
| 6723171 | Process for extracting solid material from shell-and-tube reactor | — | 2004-04-20 |