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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 ...


3
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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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 ...


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Rikimaru Hiroaki, Nakatsuji Tadao, Umaba Toshikatu, Nagano Kazuhiko, Mishina Kazuya, Shimizu Hiromitsu: A catalyst and a method for denitrizing nitrogen oxides contained in waste gases.. Sakai Chemical Industry Co, Mitsubishi Heavy, March 23, 1988: EP0260614-A1 (12 worldwide citation)

A method and a catalyst for denitrizing nitrogen oxides contained in waste gases in the presence of arsenic compounds. The catalyst comprises: titanium and vanadium therein in weight ratios of oxides of titanium to oxides of vanadium ranging from 99.9:0.1 to 92.0:0.8, the vanadium being concentrated ...


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Nakatsuji Tadao C O Sakai Chem, Shimizu Hiromitsu C O Sakai Ch, Yasukawa Ritsu C O Sakai Chem, Kawatsuki Masaaki, Tabata Mitsunori, Tsuchida Hiroshi, Kintaichi Yoshiaki C O Nat Ins, Sasaki Motoi C O Nat Inst Of M: Catalyst for catalytic reduction of nitrogen oxides.. Sakai Chemical Industry Co, Agency Ind Science Techn, Petroleum Energy Center Found, Cosmo Oil, June 22, 1994: EP0602602-A1 (6 worldwide citation)

A novel catalyst for catalytic reduction of nitrogen oxide using a hydrocarbon as a reducing agent is provided, which comprises (a) at least an element of the platinum group selected from the group consisting of platinum, iridium, rhodium and ruthenium and (b) gold, and which may further comprises ( ...


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Tabata Mitsunori, Kawatsuki Masaaki, Miyamoto Katsumi, Tsuchida Hiroshi, Yoshinari Tomohiro, Usui Kazushi, Suganuma Fujio, Nakatsuji Tadao C O Sakai Chem, Shimizu Hiromitsu C O Sakai Ch, Yasukawa Ritsu C O Sakai Chemi, Hamada Hideaki C O National In, Ito Takehiko C O National Inst, Kintaichi Yoshiaki C O Nationa, Sasaki Motoi C O National Inst: Removal of nitrogen oxide from exhaust gas.. Agency Ind Science Techn, Petroleum Energy Center Found, Cosmo Oil, Sakai Chemical Industry Co, July 6, 1994: EP0604987-A1 (5 worldwide citation)

A process for removing nitrogen oxide from exhaust is disclosed, comprising contacting exhaust containing nitrogen oxide with an alumina catalyst which contains not more than 0.5% by weight of an alkali metal and/or an alkaline earth metal and has a total pore volume of from 0.48 to 1.2 cm.g with 0. ...


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Yoshimoto Masafumi, Nakatsuji Tadao, Shimizu Hiromitsu: Catalysts and methods for denitrization.. Sakai Chemical Industry Co, September 14, 1994: EP0614692-A1 (5 worldwide citation)

A catalyst for denitrizing of nitrogen oxides in the presence of a hydrocarbon as a reducing agent, which comprises: (A) a substituted zeolite having the general formula MAMB [(A102) x (Si02)Y].Z H20 in which M represents alkali metal, alkaline earth metal or hydrogen ion; M is at least one metal io ...