Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458740 | Method for preparing heteropolyacid catalyst and method for producing methacrylic acid | Kaori Nakatani, Eiichi Shiraishi | 2002-10-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458740 | Method for preparing heteropolyacid catalyst and method for producing methacrylic acid | Kaori Nakatani, Eiichi Shiraishi | 2002-10-01 |