Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5973184 | Process for preparing a dialkyl carbonate by gas-phase decarbonylation of dialkyl oxalate | Katsumasa Harada, Ryoji Sugise, Masayuki Nishio, Toshihiro Shimakawa | 1999-10-26 |
| 5869729 | Method of producing an ester compound | Keigo Nishihira, Shuji Tanaka, Yuki Nishida, Noriaki Manada, Masato Murakami | 1999-02-09 |
| 5792883 | Preparation of diaryl carbonate | Katsumasa Harada, Ryoji Sugise, Koichi Kashiwagi, Takashi Doi, Sadao Niida | 1998-08-11 |
| 5426209 | Process for producing a carbonic acid diester | Noriaki Manada, Yasushi Yamamoto, Masato Murakami | 1995-06-20 |
| 5403949 | Method of producing carbonic acid diester | Noriaki Manada, Masato Murakami, Koji Abe, Yasushi Yamamoto | 1995-04-04 |
| 4290922 | Ammoxidation catalyst for the production of acrylonitrile from propylene and process for producing the same | Sumio Umemura, Kyoji Ohdan, Mikio Hidaka | 1981-09-22 |
| 4264476 | Catalyst for producing acrylonitrile in a fluidized bed reactor | Sumio Umemura, Kyoji Ohdan, Mikio Hidaka | 1981-04-28 |