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Yoshimoto Masafumi Sakai Chemi, Nakatsuji Tadao Sakai Chemical, Nagano Kazuhiko Sakai Chemical: Catalysts and methods for denitrization.. Sakai Chemical Industry Co, April 11, 1990: EP0362960-A2 (33 worldwide citation)

A denitrizing catalyst which comprises: (a) an alkali metal oxide or an alkaline earth metal oxide in amounts of 50-90 % by weight as oxides; (b) at least one metal oxide selected from the group consisting of Co3O4, Cu2O, Cr2O3, Mn2O3, NiO, PbO, Bi2O3, MoO2, Al2O3, SiO2, ZrO2, Fe2O3, TiO2, WO3, MoO3 ...


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Nakatsuji Tadao, Shimizu Hiromitsu, Yasukawa Ritsu, Suganuma Fujio, Kitazume Akihiro, Tsuchida Hiroshi, Ito Takehiko, Hamada Hideaki, Miyamoto Katsumi, Kawatsuki Masaaki, Kintaichi Yoshiaki Nat Chemica, Sasaki Motoi, Tabata Mitsunori: Catalyst for catalytic reduction of nitrogen oxide.. Sakai Chemical Industry Co, Agency Ind Science Techn, Petroleum Energy Center Found, Cosmo Oil, March 17, 1993: EP0532024-A1 (25 worldwide citation)

A catalyst for catalytic reduction of nitrogen oxide using a hydrocarbon and/or an oxygen-containing organic compound as a reducing agent, which comprises a perovskite type compound oxide represented by formula (I), (IV), or (V): AxB1-xCO3 (I> wherein A represents at least one element selected from ...


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Kintaichi Yoshiaki, Hamada Hideaki, Ito Takehiko, Sasaki Moti, Suganuma Fujio, Tabata Mitsunori, Kitazume Akihiro, Usui Kazushi, Nakatsuji Tadao, Shimizu Hiromitsu: Process for removing nitrogen oxides from exhaust gases.. Agency Ind Science Techn, Petroleum Energy Center Found, Cosmo Oil, Sakai Chemical Industry Co, July 15, 1992: EP0494388-A1 (21 worldwide citation)

A process for removing nitrogen oxides from an exhaust gas by bringing the exhaust gas containing nitrogen oxides into contact with at least one catalyst selected from a polyvalent metal phosphate, a polyvalent metal sulfate or an aluminate of a transition metal of the 4th period of the Periodic Tab ...


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Yoshimoto Masafumi, Nakatsuji Tadao, Shimizu Hiromitsu: Catalysts and methods for denitrization.. Sakai Chemical Industry Co, November 6, 1991: EP0455491-A2 (20 worldwide citation)

A TiO22 containing catalyst for denitrizing nitrogen oxides in the presence of a hydrocarbon as a reducing agent is disclosed. One such catalyst comprises TiO2 and at least one metal or oxide of metal selected from Pd, Ru, Rh, Ag and Pt supported on the TiO2 in an amount of 0.1-10% by weight based o ...


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Nakatsuji Tadao C O Sakai Chem, Shimizu Hiromitsu C O Sakai Ch, Yasukawa Ritsu C O Sakai Chem, Miyamoto Katsumi, Tsuchida Hiroshi: Catalyst for catalytic reduction of nitrogen oxides.. Sakai Chemical Industry Co, Petroleum Energy Center Found, Cosmo Oil, November 17, 1994: EP0624393-A1 (20 worldwide citation)

A catalyst for catalytic reduction of nitrogen oxides using a hydrocarbon and/or a oxygen-containing organic compound as a reducing agent is disclosed, which comprises a cerium oxide supported on a solid acid carrier. Also, a catalyst for catalytic reduction of nitrogen oxides using a hydrocarbon an ...


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Masafumi Yoshimoto, Tadao Nakatsuji, Kazuhiko Nagano, Kimihiko Yoshida: Catalyst for decomposing ozone. Sakai Chemical Industry Co, Nikaido Marmelstein Murray & Oram, May 18, 1993: US05212140 (17 worldwide citation)

A catalyst for decomposing ozone comprising a carrier and a catalytic active substance having ozone resolvability carried thereon in a thickness of 10 to 200 .mu.m. Consequently, ozone can efficiently be removed. The invention also includes the catalytic active substance or ozone adsorption substanc ...


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Yoshimoto Masafumi, Nakatsuji Tadao, Nagano Kazuhiko: Deodorizing method and deodorizing catalyst.. Sakai Chemical Industry Co, April 4, 1990: EP0361385-A2 (17 worldwide citation)

The present invention provides a deodorizing method for removing stinking components by oxidative destruction with ozone in the presence of a catalyst comprising the prescribed metal oxide and at least one selected from the group consisting of titanium dioxide and silver oxide and gold, or a catalys ...


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Yoshimoto Masafumi, Nakatsuji Tadao, Nagano Kazuhiko, Yoshida Kimihiko: Particulate removing catalyst filter and particulate removing method using the same.. Sakai Chemical Industry Co, May 23, 1990: EP0369163-A1 (16 worldwide citation)

The present invention relates to a particulate removing catalyst filter in which an oxidizing catalyst is carried on the surface portions of an airpermeable substrate through which the exhaust gas is adapted to be passed, and to a particulate removing catalyst filter in which a catalyst is carried o ...


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Imanari Makoto, Koshikawa Takeo, Yamauchi Akihiro, Hanada Masayuki, Fukuda Morio, Nagano Kiyoshi, Rikimaru Hiroaki Sakai Chemica, Nakatsuji Tadao Sakai Chemical, Umaba Toshikatsu Sakai Chemica, Nagano Kazuhiko Sakai Chemical, Mishina Kazuya Sakai Chemical, Shimizu Hiromitsu Sakai Chemic: Catalysts and use thereof for removing nitrogen oxides in exhaust gas.. Mitsubishi Petrochemical Co, Mitsubishi Heavy, Sakai Chemical Industry Co, Catalysts & Chem Ind Co, Mitsubishi Petrochem Eng, February 24, 1988: EP0256359-A1 (14 worldwide citation)

A catalyst containing a first group of many pores having a diameter of 1 x 10 ANGSTROM to less than 1 x 10 ANGSTROM and a second group of many pores having a diameter of 1 x 10 ANGSTROM to 1.2 x 10 ANGSTROM , the pore volume of the first group being at least 10% based on the total pore volume of the ...