Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421925 | 4-Alkoxy-1,3-dioxane-5-carbonitriles and process for preparing the same | Kozo Fujii, Keigo Nishihira, Hiroyuki Sawada, Shuji Tanaka, Mamoru Nakai +2 more | 1983-12-20 |
| 4364844 | Catalyst for production of unsaturated carboxylic acid, preparation thereof and production of unsaturated carboxylic acid | Kyoji Ohdan, Fumihiko Sakai, Kenichi Suzuki, Yasuo Bando, Toshihiko Hogami +1 more | 1982-12-21 |
| 4338471 | Process for preparing phenol | Ryozo Kitoh, Taizo Uda | 1982-07-06 |
| 4290922 | Ammoxidation catalyst for the production of acrylonitrile from propylene and process for producing the same | Kyoji Ohdan, Mikio Hidaka, Toshio Kurafuji | 1981-09-22 |
| 4278614 | Process for the catalytical preparation of acrylonitrile | Kyoji Ohdan, Tokuo Matsuzaki, Hiroyuki Asada, Masao Tsuruoka | 1981-07-14 |
| 4267385 | Process for the catalytic preparation of acrolein and methacrolein | Kyoji Ohdan, Hiroyuki Asada | 1981-05-12 |
| 4264476 | Catalyst for producing acrylonitrile in a fluidized bed reactor | Kyoji Ohdan, Mikio Hidaka, Toshio Kurafuji | 1981-04-28 |
| 4260810 | Process for preparing diesters of dicarboxylic acids | Kanenobu Matsui, Yoshinari Ikeda, Katsuro Masunaga, Takumi Kadota, Kozo Fujii +2 more | 1981-04-07 |
| 4256914 | Catalytic oxidation of methacrolein | Kyoji Ohdan, Fumihiko Sakai, Kenichi Suzuki, Toshihiko Hogami, Masataka Fuginaga | 1981-03-17 |
| 4234740 | Process for preparing diesters of dicarboxylic acids | Kanenobu Matsui, Yoshinari Ikeda, Katsuro Masunaga, Takumi Kadota | 1980-11-18 |
| 4225462 | Catalyst for reducing nitrogen oxides and process for producing the same | Ryozo Kitoh, Shigeru Itoh, Yasutaka Arima, Kosuke Itoh, Hideaki Fukui | 1980-09-30 |
| 4224456 | Process for preparing aliphatic monocarboxylic acid ester of hydroxymethyl-substituted monoaromatic compound | Kanenobu Matsui, Kunitoshi Koga, Mineo Kuniyoshi | 1980-09-23 |
| 4217309 | Process for producing methacrolein | Kyoji Ohdan, Kenichi Suzuki, Yasuo Bando, Terumi Hisayuki | 1980-08-12 |
| 4205010 | Method for the catalytical production of acrylonitrile | Kyoji Ohdan, Taizo Uda, Tokuo Matsuzaki, Mikio Hidaka, Yasuo Nakamura +1 more | 1980-05-27 |