Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504692 | Process for producing 1,3-butadiene | Hayao Yoshioka, Kazuyoshi Nakazawa | 1985-03-12 |
| 4401515 | Process for producing 1,3-butadiene or 2-methyl-1,3-butadiene having high purity | Kazuyoshi Nakazawa | 1983-08-30 |
| 4390717 | Process for preparing carboxylic acid esters of dicyclopentadienes | Katuhiro Ishikawa, Ryotaro Ohno | 1983-06-28 |
| 4370447 | Unsaturated polyester resin compositions | Katuhiro Ishikawa, Ryotaro Ohno | 1983-01-25 |
| 4329492 | Process for production of methacrylic acid esters | Naoki Andoh, Itsuo Nishiwaki | 1982-05-11 |
| 4246427 | Process for producing methacrylic acid | Naoki Andoh, Ituo Nishiwaki, Akira Iio | 1981-01-20 |