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Kanji Nakagawa, Yoshio Asakura, Shigeru Yamamoto, Kohei Ninomiya, Masayuki Kinouchi: Method for dehydration and concentration of aqueous solution containing organic compound. UBE, Frishauf Holtz Goodman & Woodward, December 18, 1990: US04978430 (59 worldwide citation)

An improved method for dehydration and concentration of an aqueous solution containing an organic compound is disclosed. The solution is evaporated to produce a gaseous mixture comprising an organic compound vapor and a water vapor. The water vapor is selectively removed from the gaseous mixture by ...


2
Kohei Ninomiya, Kanji Nakagawa, Yoichi Nishida: Process for recovering a lower alcohol from a catechol-lower alcohol reaction product solution. Ube, Finnegan Henderson Farabow Garrett & Dunner, April 14, 1992: US05105029 (14 worldwide citation)

A lower alcohol, for example, ethyl alcohol, is recovered from a reaction mixture resulted from a reaction of catechol with a lower alcohol in such a manner that the reaction mixture is distilled and separated into a distilled light vapor fraction comprising non-reacted lower alcohol and water and a ...


3
Yoshio Saito, Masaru Umeda, Kohei Ninomiya, Masao Kikuchi: Vapor drier. Kabushiki kaisha Hitachi Seisakusho, Baker & Daniels, October 5, 1993: US05249371 (9 worldwide citation)

A purpose of this invention is to provide a vapor drier which can continue a process to dry efficiently objects in an extremely clean condition for a long time. A vapor drier of this invention comprises a circulating/dehydrating/refining means for refining said volatile processing liquid stored in s ...


4
Koichi Hashimoto, Kohei Ninomiya: Process and apparatus for separation of volatile components. UBE, Finnegan Henderson Farabow Garrett & Dunner, March 27, 1990: US04911845 (4 worldwide citation)

A process for the mutual separation of volatile components in a mixture comprising at least two volatile components, comprising the steps of: (1) heating a starting liquid comprising at least two volatile components to vaporize the starting liquid and form a vapor mixture comprising the volatile com ...


5
Nobuyuki Kuroda, Mitsuo Yamanaka, Hirofumi Takemoto, Kohei Ninomiya, Junichi Kugimoto: Process for producing epoxycyclododecadiene. Ube, Akin Gump Strauss Hauer & Feld L, January 9, 2001: US06172243 (3 worldwide citation)

Described is a process for producing 1,2-epoxy-5,9-cyclododecadiene, which comprises bringing 1,5,9-cyclododecatriene into contact with hydrogen peroxide in the presence of a carboxylic acid having an acid dissociation constant K at 25° C. of 5.0×10


6
Nobuyuki Kuroda, Mitsuo Yamanaka, Osamu Yamazaki, Hirofumi Takemoto, Kohei Ninomiya, Junichi Kugimoto, Koji Kaiso, Hideo Shimomura: Process for producing 1,2-epoxy-5,9-cyclododecadiene. Ube, Burgess Ryan & Wayne, March 28, 2000: US06043383 (2 worldwide citation)

1,2-epoxy-5,9-cyclododecadiene is produced with a high selectivity thereto by epoxidizing 1,5,9-cyclododecatriene in a continuous multi-stage oxidation apparatus having a plurality of reactors connected to each other in series in such a manner that (1) in a first reactor, 1,5,9-cyclododecatriene, hy ...


7
Kohei Ninomiya, Mitsuo Imara, Shigeru Ito: Process of preparing honeycomb catalyst for removing nitrogen oxides by reduction. Ube Industries, CHEN JIZHUANG LUO YINGMING, April 8, 1987: CN85107366

The process of priparing an industring an industrial catalyst is following: A five valence vanadium compound is reduced into a low valent compound in poresence of a reducing material and a solvent. A solution of the vanadium compound mixes with ammonium salts of sylfuric or sulfur-oxygen-cotg acid, ...


8