Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9205414 | Catalyst for producing unsaturated aldehyde and/or unsaturated carboxylic acid, and process for producing unsaturated aldehyde and/or unsaturated carboxylic acid using the catalyst | Tomoatsu Kawano, Yutaka Takahashi | 2015-12-08 |
| 8507626 | Catalyst for producing of acrylic acid, method for producing acrylic acid using the catalyst and method for producing water-absorbent resin using the acrylic acid | Toshiya Nishiguchi | 2013-08-13 |
| 8404888 | Process for producing acrylic acid | Akiyoshi Nakajima | 2013-03-26 |
| 8242306 | Oxide catalyst, process for producing acrolein or acrylic acid and process for producing water-absorbent resin | — | 2012-08-14 |
| 7960308 | Oxide catalyst, process for producing acrolein or acrylic acid and process for producing water absorbent resin | — | 2011-06-14 |
| 7731919 | Fixed bed reactor for gas-phase catalytic oxidation and processes for producing acrolein or acrylic acid | — | 2010-06-08 |
| 7456129 | Support for gas-phase oxidation catalyst and process for its production, gas-phase oxidation catalyst, and process for producing acrylic acid | Michio Tanimoto | 2008-11-25 |
| 6673733 | Method for regenerating heteropolyacid catalyst and method for producing methacrylic acid | Naomasa Kimura, Hiroto Kasuga, Eiichi Shiraishi | 2004-01-06 |