Patents Assigned to Sued-Chemie Catalysts Japan Inc.
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Patent number: 8809609Abstract: A dehydrogenation catalyst composition for use in preparing an alkenyl aromatic compound by dehydrogenation of an alkyl aromatic compound, a method for preparing the catalyst, and a process for using the catalyst in a dehydrogenation reaction. Carbon dioxide (CO2) is present in the reaction in a molar ratio of 0.015 to 0.20 based on an aromatic compound in a material gas. The catalyst further includes an iron compound, an alkali metal, and about 13 to about 60 wt % of a rare earth element calculated as an oxide.Type: GrantFiled: November 7, 2008Date of Patent: August 19, 2014Assignee: Sued-Chemie Catalysts Japan, Inc.Inventors: Yuji Mishima, Shinya Hirahara, Nobuaki Kodakari
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Patent number: 8568672Abstract: A detoxifying agent and a detoxifying method are provided which have a high detoxifying ability in a detoxifying treatment of a discharge gas containing a volatile inorganic hydride and generating in a semiconductor production step. A zeolite is added to a solid metal hydroxide, a solid metal carbonate, a solid basic metal carbonate, or a mixture of these compounds to thereby obtain the detoxifying agent which has the excellent ability to detoxify a discharge gas containing volatile inorganic hydride. The zeolite to be added is a synthetic zeolite selected from zeolite Y, MFI zeolite, mordenite zeolite, beta zeolite, zeolite A, zeolite X, and zeolite L or is a natural zeolite.Type: GrantFiled: March 27, 2009Date of Patent: October 29, 2013Assignee: Sued-Chemie Catalysts Japan Inc.Inventors: Hyun-Joong Kim, Yasushi Shioya, Kenichirou Sunata
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Publication number: 20130053608Abstract: A high cerium-containing dehydrogenation catalyst of alkyl aromatic compounds used in industrial scale, comprising iron oxide and potassium oxide, having improved physical strength of catalyst pellets, and a method for producing the catalyst, and the dehydrogenation method using the catalyst are disclosed. In producing high cerium-containing pellets by using a dehydrogenation catalyst comprising iron oxide and potassium oxide, cerium carbonate hydroxide or a mixture of cerium carbonate hydroxide and other cerium compounds is used as a cerium source to produce catalytic pellets having improved physical strength.Type: ApplicationFiled: October 24, 2012Publication date: February 28, 2013Applicant: SUED-CHEMIE CATALYSTS JAPAN, INC.Inventor: Sued-Chemie Catalysts Japan, Inc.
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Publication number: 20120123174Abstract: The present invention provides a catalyst for selective hydrogenation used to obtain 1,3-butadiene by selectively hydrogenating acetylene compounds contained in a C4 hydrocarbon compound reservoir which is obtained by steam cracking and mainly contains 1,3-butadiene. This catalyst composition mainly contains palladium and bismuth, or palladium, bismuth and tellurium.Type: ApplicationFiled: September 25, 2008Publication date: May 17, 2012Applicant: SUED-CHEMIE CATALYSTS JAPAN, INC.Inventors: Moriyasu Sugeta, Hirofumi Fukada
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Publication number: 20120107201Abstract: A detoxifying agent and a detoxifying method are provided which have a high detoxifying ability in a detoxifying treatment of a discharge gas containing a volatile inorganic hydride and generating in a semiconductor production step. A zeolite is added to a solid metal hydroxide, a solid metal carbonate, a solid basic metal carbonate, or a mixture of these compounds to thereby obtain the detoxifying agent which has the excellent ability to detoxify a discharge gas containing volatile inorganic hydride. The zeolite to be added is a synthetic zeolite selected from zeolite Y, MFI zeolite, mordenite zeolite, beta zeolite, zeolite A, zeolite X, and zeolite L or is a natural zeolite.Type: ApplicationFiled: March 27, 2009Publication date: May 3, 2012Applicant: SUED-CHEMIE CATALYSTS JAPAN, INC.Inventors: Hyun-Joong Kim, Yasushi Shioya, Kenichirou Sunata
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Publication number: 20110213189Abstract: A dehydrogenation catalyst composition for use in preparing an alkenyl aromatic compound by dehydrogenation of an alkyl aromatic compound, a method for preparing the catalyst, and a process for using the catalyst in a dehydrogenation reaction. Carbon dioxide (CO2) is present in the reaction in a molar ratio of 0.015 to 0.20 based on an aromatic compound in a material gas. The catalyst further includes an iron compound, an alkali metal, and about 13 to about 60 wt % of a rare earth element calculated as an oxide.Type: ApplicationFiled: November 7, 2008Publication date: September 1, 2011Applicant: SUED-CHEMIE CATALYSTS JAPAN, INC.Inventors: Yuji Mishima, Shinya Hirahara, Nobuaki Kodakari
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Publication number: 20110178350Abstract: The object of the present invention is to provide the catalyst used in a process for preparation of alkenylaromatic compounds by dehydrogenating alkyl aromatic compounds by means of steam as a diluent, wherein the catalyst prevents the block and corrosion caused by the alkali metal component migrated from the catalyst, and the process for producing same, and the dehydrogenation method using it. The solid catalyst which has the high redox ability and comprises no alkali metal component migrated from the catalyst in the presence of steam with high temperature is used.Type: ApplicationFiled: September 22, 2008Publication date: July 21, 2011Applicants: WASEDA UNIVERSITY, SUED-CHEMIE CATALYSTS JAPAN, INC.Inventors: Eiichi Kikuchi, Yasushi Sekine, Yuji Mishima
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Publication number: 20090060809Abstract: Disclosed is a catalyst useful for catalytic decomposition of high concentration ammonia, and also disclosed is a process for decomposing ammonia using the catalyst. As the ammonia decomposion catalyst, a catalyst which supports a metallic element selected from Fe, Co, Ni and Cu by ion exchange method on porous silica alumina having an Si/Al atomic ratio of 1 to 90 and a specific surface area of 200 to 900 m2/g and contains a noble metal selected from Ru, Rh, Pd, Ir and Pt in an amount of 10 to 500 ppm based on the total mass of the catalyst is useful.Type: ApplicationFiled: March 30, 2005Publication date: March 5, 2009Applicant: SUED-CHEMIE CATALYSTS JAPAN, INC.Inventors: Yasushi Shioya, Yoshiharu Miyaki
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Publication number: 20090029850Abstract: A copper oxide based catalyst for dehydrogenation of cyclohexanol which is a copper oxide-zinc oxide based catalyst or a copper oxide-silicon oxide based catalyst further comprising one of palladium, platinum and ruthenium in a very small amount; and a method for preparing the copper oxide based catalyst which comprises combining the co-precipitation method or the kneading method and the spray method. The copper oxide based catalyst for dehydrogenation of cyclohexanol exhibits high activity and high selectivity, and thus may be used for producing cyclohexanone at a reduced reaction temperature and/or with an enhanced yield, as compared to a conventional catalyst.Type: ApplicationFiled: September 25, 2008Publication date: January 29, 2009Applicant: SUED-CHEMIE CATALYSTS JAPAN INC.Inventors: Tadakuni KITAMURA, Moriyasu Sugeta, Kazuharu Okuhara
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Patent number: 7476373Abstract: The present invention provides a treating agent for a metal hydride-containing exhaust gas, wherein the treating agent is low in exothermic property and further high in performance in a treatment of harm-elimination for the metal hydride-containing exhaust gas, comprises at least one among metal hydroxide, metal carbonate, basic metal carbonate, and further supports at least one metal among group-VIII noble metals on periodic table and silver. Therefore, the performance of harm-elimination for the metal hydride-containing exhaust gas is prominently improved. The treating agent in the present invention is high in performance and further low in exothermic property, thereby that is useful in the treatment for the metal hydride-containing exhaust gas generated in semiconductor manufacturing industry and the like.Type: GrantFiled: April 8, 2002Date of Patent: January 13, 2009Assignee: Sued-Chemie Catalysts Japan, Inc.Inventors: Yasushi Shioya, Masanori Yatsuda, Minoru Takachi, Hiroshi Wada
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Publication number: 20070078055Abstract: To provide a method of stabilizing a catalyst enabling the stabilization to be completed in a very short period of time by means of a simple process, particularly a method of stabilizing a reduced Ni-containing catalyst. [Solution]A method of stabilizing a reduced Ni-containing catalyst, where gas in which three kinds of 02, 1120, and CO2 coexist, or gas in which four kinds of 02, 1120, CO2, and inert gas coexist is introduced into the reduced Ni-containing catalyst at a temperature of not less than 0.1° C., and of less than 100° C. will make it possible to prepare a stable catalyst even in the air.Type: ApplicationFiled: September 29, 2006Publication date: April 5, 2007Applicant: SUED-CHEMIE CATALYSTS JAPAN, INC.Inventors: Hiroshi Takeda, Shinya Hirahara
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Patent number: 7067091Abstract: An object of the present invention is to provide a treatment agent superior in harm-removing performance to metal hydride containing exhaust gas, and its production method as well as a treatment method. It is a mixture of either copper hydroxide or basic copper carbonate and silicon compound or a mixture, wherein parts of said copper compound and said silicon compound form a complex. A preparation of the treatment agent is made by a precipitation method, wherein a copper salts solution serves as a precipitation mother solution, and a mixture solution of either alkali hydroxide or alkali carbonate and alkali silicate serves as a precipitating agent. A treatment agent obtained as its result shows a high harm-removing performance to the metal hydride gas and a low heat generation, for which reason the agent is useful for treatment of the metal hydride containing exhaust gas generated in semiconductor manufacturing.Type: GrantFiled: June 28, 2001Date of Patent: June 27, 2006Assignee: Sued-Chemie Catalysts Japan Inc.Inventors: Satoshi Teshigawara, Minoru Takachi, Yoshihiro Matsuda, Hidetaka Shibano, Yoshiyuki Tomiyama
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Publication number: 20050228143Abstract: The present invention relates to a hydrogenation catalyst for petroleum resin containing a sulfur component which catalyst comprises palladium and platinum supported on carrier at a ratio by mass of palladium to platinum being in the range of 2.5 to 3.5, and is imparted with high hydrogenation reaction activity even in the presence of a sulfur component as well as a long service life.Type: ApplicationFiled: June 16, 2003Publication date: October 13, 2005Applicants: Idemitsu Kosan Co., Ltd., Sued-Chemie Catalysts Japan, Inc.Inventors: Fumio Yamakawa, Tadakuni Kitamura, Tsunenobu Chinda
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Publication number: 20050214199Abstract: A manganese compound exerting a higher environmental pollutant removal performance than that of a conventional manganese oxide is provided. The manganese compound is obtained by mixing and reacting a bivalent manganese salt aqueous solution and a permanganate alkaline aqueous solution containing a quantity of an alkali larger than a stoichiometric quantity. When comparing the manganese compound with an already-known manganese oxide, it is determined that a specific surface area has significantly increased, and the environment pollutant removal performance is significantly improved. The manganese compound according to the present invention has a high specific surface area value and a high environment pollutant removal performance, and is useful in the adsorption and oxidation-removal of the odor components discharged from factories, NOx, SOx, VOC, and the unburned components such as hydrocarbons, aldehydes and the like which are generated by incomplete combustion.Type: ApplicationFiled: July 26, 2002Publication date: September 29, 2005Applicant: Sued-Chemie Catalysts Japan, IncInventors: Nobuyoshi Hayashi, Yasushi Shioya, Hiroshi Wada
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Patent number: 6432374Abstract: The invention has an object to provide a solid chloride absorbent which can efficiently absorb inorganic chlorides such as hydrogen chloride flowing out from a process in which a heavy naphtha and the like are treated and inorganic chloride derived from crude oil, and which is difficult to powder and soften after absorbing the chlorides. The solid chloride absorbent according to the invention comprises zinc oxide, a porous refractory inorganic matter and an inert binder, has a long life, and hardly releases the absorbed chlorides.Type: GrantFiled: November 28, 2001Date of Patent: August 13, 2002Assignees: Süd-Chemie Catalysts Japan, Inc., Japan Energy CorporationInventors: Tsuneyoshi Takase, Nobuyashi Hayashi, Yasushi Shioya, Kaoru Fujiwara, Mitsuhiro Ohashi