Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889952 | (Phenylethenyl) phenylpropionaldehyde and method for producing (benzolyphenyl) propionic acid using the same | Yasuo Matsumura, Yutaka Arai | 1989-12-26 |
| 4885419 | 1,2-Di(4-isobutylphenyl)hydrocarbon and its preparation and uses as intermediate | Yasuo Matsumura, Yoshihisa Inomata | 1989-12-05 |
| 4855518 | Method for producing p-alkylstyrene | Yuuichi Tokumoto | 1989-08-08 |
| 4855519 | Method for producing arylethylene | Hitoshi Mitsuyuki, Kazumichi Uchida, Yuuichi Tokumoto | 1989-08-08 |
| 4835337 | Method for producing m-ethyldiphenyls | Yasuo Matsumura, Kazumichi Uchida | 1989-05-30 |
| 4827065 | Method of producing p-isobutylstyrene and a starting compound therefor | Ryotaro Hirano, Yasuo Matsumura, Hideki Nomura, Kazumichi Uchida, Atsushi Sato | 1989-05-02 |
| 4822934 | 1-(3-Vinylphenyl)-1-phenylhydrocarbons and method for producing the same | Yasuo Matsumura, Yutaka Arai | 1989-04-18 |
| 4814494 | Method for producing (aryl substituted) carboxylic acid or its salt | Yasuo Matsumura, Yoshihisa Inomata | 1989-03-21 |