Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7705187 | Production method of trihydrocarbylborane | Tadao Nishida | 2010-04-27 |
| 5922912 | Concentration method of aqueous acrylamide solution | Mutsuo Matsumura, Michiaki Umeno, Yoshikazu Uehara, Koichi Asao | 1999-07-13 |
| 5534655 | Process for preparing acrylamide | Yoshikazu Uehara, Takeya Abe, Koichi Asao | 1996-07-09 |
| 5476883 | Preparation process of acrylamide from purified acrylonitrile | Takeya Abe | 1995-12-19 |
| 5254749 | Process for producing dipentaerythritol | Toru Idemoto, Yasuki Ono, Chika Tona | 1993-10-19 |
| 5041656 | Preparation process of (meth)acrylamide | Shiro Asano, Mareo Tokunaga | 1991-08-20 |
| 5015766 | Preparation process of acrylamide | Itsuo Oonaka, Koichi Asao, Kyoko Fukushima | 1991-05-14 |
| 4670590 | Preparation process of acrylamide crystals | Shiro Asano, Wataru Isozaki, Syoji Kitado, Masao Yamaguchi | 1987-06-02 |
| 4345101 | Process for purifying an aqueous solution of acrylamide | Shiro Asano, Kohei Shizuka, Junji Mikami, Hiroshi Kato, Tadatoshi Honda | 1982-08-17 |