Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498270 | Process for preparing a catalyst for use in production of methacrylic acid and process of preparing methacrylic acid | Naomasa Kimura, Hideo Onodera | 2002-12-24 |
| 6476259 | Catalysts for methacrylic acid production and process for producing methacrylic acid | Hideo Onodera | 2002-11-05 |
| 6339037 | Catalysts for methacrylic acid production and process for producing methacrylic acid | Hideo Onodera | 2002-01-15 |