Patents by Inventor Masaru Ishino
Masaru Ishino has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20020172640Abstract: A process for producing chlorine by oxidizing hydrogen chloride with oxygen in the presence of a supported ruthenium oxide catalyst or a ruthenium mixed oxide catalyst. The content of ruthenium oxide is from 0.1 to 20% by weight and the ruthenium oxide has a mean particle diameter of from 1.0 to 10.0 nm.Type: ApplicationFiled: March 18, 2002Publication date: November 21, 2002Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Takuo Hibi, Yoshiaki Ito, Hiroaki Abekawa, Masaru Ishino, Toshio Nakayama
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Patent number: 6410806Abstract: A reduction-treated copper-based catalyst obtained by reducing a copper-based catalyst with hydrogen in the presence of a liquid phase and a process for producing &agr;-phenylethyl alcohol, which comprises hydrogenating acetophenone in the presence of the same.Type: GrantFiled: January 18, 2001Date of Patent: June 25, 2002Assignee: Sumitomo Chemical Company, LimitedInventors: Noriaki Oku, Masaru Ishino
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Publication number: 20010016671Abstract: A reduction-treated copper-based catalyst obtained by reducing a copper-based catalyst with hydrogen in the presence of a liquid phase and a process for producing &agr;-phenylethyl alcohol, which comprises hydrogenating acetophenone in the presence of the same.Type: ApplicationFiled: January 18, 2001Publication date: August 23, 2001Inventors: Noriaki Oku, Masaru Ishino
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Patent number: 6187934Abstract: A titanium-containing solid catalyst used for producing an oxirane compound by reacting an olefin type compound with an organic hydroperoxide, wherein the catalyst is obtainable by at least one method selected from the following (1) to (3): (1) a titanium compound is supported on silica having an average pore diameter (D) measured by a mercury pressing method of 5 nm or more and having pore distribution in which at least 60% of pore volume is composed of pores having a pore diameter within the range of D±0.3 D (nm), and is calcined (2) silica is impregnated in water, then dried, and a titanium compound is supported on the silica, then calcined, (3) silica is impregnated in a titanium-containing impregnation solution satisfying the following [formula-1], and is calcined A/B≦0.2 [formula-1] A: mol number of metal titanium in the impregnation solution B: mol number of a silanol group existing in silica.Type: GrantFiled: March 23, 1998Date of Patent: February 13, 2001Assignee: Sumitomo Chemical Company LimitedInventors: Junpei Tsuji, Kenshi Uchida, Masaru Ishino
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Patent number: 6160137Abstract: A method for producing propylene oxide by reacting a hydroperoxide with propylene by a fixed bed flow reaction in the presence of a titanium-containing solid catalyst, wherein said catalyst is diluted with a diluent comprising a solid inorganic compound which is inactive to the reaction and has a heat conductivity at 400 K of about 10 Wm.sup.-1 K.sup.-1 or more.Type: GrantFiled: November 5, 1998Date of Patent: December 12, 2000Assignee: Sumitomo Chemical Company, LimitedInventors: Junpei Tsuji, Masaru Ishino, Kenshi Uchida
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Patent number: 6046369Abstract: A process for producing .alpha.-phenylethyl alcohol, which comprises hydrogenating acetophenone by a fixed bed flow reaction in the presence of a catalyst, wherein the reaction is conducted in the state where the liquid hold up ratio in a reactor is in the range of from 30% to 90%.Type: GrantFiled: July 10, 1998Date of Patent: April 4, 2000Assignee: Sumitomo Chemical Co., Ltd.Inventors: Noriaki Oku, Masaru Ishino
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Patent number: 5723637Abstract: A process for producing propylene oxide which comprises reacting a raw material solution which is a solution of ethylbenzene hydroperoxide in ethylbenzene obtained by liquid phase autoxidation of ethylbenzene with propylene in the presence of a Ti-containing solid catalyst to give propylene oxide, said raw material solution being a solution prepared by washing a solution of ethylbenzene hydroperoxide in ethylbenzene obtained by liquid phase autoxidation of ethylbenzene with an aqueous alkali solution to bring a lactic acid concentration to 5 ppm by weight or less.Type: GrantFiled: November 22, 1996Date of Patent: March 3, 1998Assignee: Sumitomo Chemical Company, LimitedInventors: Junpei Tsuji, Kenshi Uchida, Noriaki Oku, Mitsuhisa Tamura, Masaru Ishino
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Patent number: 5693193Abstract: Propylene oxide is recovered through the use of an additive in a distillation solution, resulting in suppressed side reactions and reduced loss of product. Propylene oxide is produced by oxidizing ethylbenzene in a liquid phase with molecular oxygen to a obtain a reaction liquid containing ethylbenzene hydroperoxide; distilling the reaction liquid to obtain a concentrated solution of ethylbenzene hydroperoxide; further mixing and reacting the concentrated solution with propylene to obtain a mixed solution containing propylene oxide; and distilling the mixed solution to separate and recover propylene oxide. At least one compound selected from aliphatic saturated alcohols having 2 to 4 carbon atoms, allyl alcohol, saturated aliphatic hydrocarbons having 6 or 7 carbon atoms, benzene, ethers, ketones, nitriles, amines, pyridines, diamines, and aminoalcohols is added to the mixed distillation solution in an amount of 0.01-100 parts by weight per 100 parts by weight of propylene oxide.Type: GrantFiled: March 23, 1995Date of Patent: December 2, 1997Assignee: Sumitomo Chemical Company, LimitedInventors: Takashi DeGuchi, Kazuo Kimura, Naoto Meki, Masaru Ishino, Tetsuya Suzuta
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Patent number: 5349115Abstract: A process for preparing a dimer of a lower .alpha.-olefin in the presence of Catalyst (A) containing a nickel compound, a trialkylaluminum, a halogenated phenol, a phosphorus compound and a sulfur compound, Catalyst (B) containing a nickel compound, a trialkylaluminum, a fluorinated isopropyl alcohol, a phosphorus compound, a sulfonic acid and water, or Catalyst (C) containing a nickel compound, a trialkylaluminum, a halogenated phenol, a phosphorus compound, a sulfonic acid and water, by which method, the dimer of the lower .alpha.-olefin is prepared in a high yield and high selectivity.Type: GrantFiled: May 7, 1993Date of Patent: September 20, 1994Assignee: Sumitomo Chemical Co., Ltd.Inventors: Kotohiro Nomura, Masaru Ishino, Michio Yamamoto, Gohfu Suzukamo, Makoto Itagaki
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Patent number: 5334789Abstract: Disclosed are an oxychlorination catalyst comprising a carrier material, and a palladium compound, a copper compound and a vanadium compound which are supported on the carrier material; an oxychlorination catalyst comprising a carrier material, and a palladium compound, a copper compound, a vanadium compound and an alkaline earth metal compound which are supported on the carrier material; processes for preparing these catalysts; and a method for oxychlorination of an olefin or an aromatic hydrocarbon using one of these catalysts.Type: GrantFiled: June 30, 1993Date of Patent: August 2, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Masashi Komatsu, Michio Yamamoto, Masaru Ishino, Gohfu Suzukamo
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Patent number: 5315040Abstract: Aminoanthraquinones which are materials for dyes are prepared by allowing nitroanthraquinones to react with carbon monoxide and water in a liquid phase in the presence of a homogeneous catalyst comprising rhodium compounds or ruthenium compounds and solvents therefor.Type: GrantFiled: February 3, 1992Date of Patent: May 24, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Kotohiro Nomura, Masaru Ishino
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Patent number: 5243081Abstract: The present invention provides an aldol condensation dehydration catalyst, a process for preparing the same comprising reacting an aluminium salt with at least one magnesium compound selected from the group consisting of magnesium oxide and magnesium hydroxide to support thereon an aluminium compound and heating said supported product at a temperature in the range from 350.degree. to 700.degree. C., and a process for preparing an aldol condensation dehydrate by using the process.Type: GrantFiled: May 15, 1992Date of Patent: September 7, 1993Assignee: Sumitomo Chemical Company, LimitedInventors: Masaru Ishino, Masami Fukao, Kazuaki Sasaki, Gohfu Suzukamo, Masao Sasaki
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Patent number: 5237107Abstract: Magnesium.aluminium complex compound useful for aldol condensation dehydration is prepared by allowing a solution of magnesium salts and a solution of aluminium salts to react with ammonia and then heating the thus obtained precipitate at a temperature of 400.degree.-700.degree. C.Type: GrantFiled: May 7, 1992Date of Patent: August 17, 1993Assignee: Sumitomo Chemical Company, LimitedInventors: Masaru Ishino, Masami Fukao, Kazuaki Sasaki, Gohfu Suzukamo, Masao Sasaki
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Patent number: 5138109Abstract: A halogenated alkyl of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and each is a lower alkyl group, X is chlorine atom or a bromine atom and Y is a hydrogen atom or a halogen atom is prepared in high conversion and high selectivity by reacting a tertiary halogenated alkyl of the formula: ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and X are the same as defined above with an ethylene derivative of the formula:CH.sub.2 .dbd.CH--Y (III)wherein Y is the same as defined above in the presence of a liquid catalyst comprising aluminum chloride and an alkylbenzene of the formula: ##STR3## wherein R.sub.4, R.sub.5 and R.sub.6 are the same or different and each is a lower alkyl group or a hydrogen atom provided that at least one of them is a lower alkyl group.Type: GrantFiled: November 4, 1991Date of Patent: August 11, 1992Assignee: Sumitomo Chemical Company, Ltd.Inventors: Michio Yamamoto, Masaru Ishino, Motoo Hazama, Shigefumi Tokumasu
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Patent number: 5112997Abstract: Aminoanthraquinones which are materials for dyes are prepared by allowing nitroanthraquinones to react with carbon monoxide and water in a liquid phase in the presence of a homogeneous catalyst comprising rhodium compounds or ruthenium compounds and solvents therefor.Type: GrantFiled: October 29, 1990Date of Patent: May 12, 1992Assignee: Sumitomo Chemical Co., Ltd.Inventors: Kotohiro Nomura, Masaru Ishino
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Patent number: 5087755Abstract: A process for producing an aromatic amine under moderate conditions is provided wherein a catalyst higher in activity than conventional catalysts is used. Reduction of an aromatic nitro compound under a CO/H.sub.2 O system is conducted using a rhodium compound catalyst in the presence of an aqueous alkali solution such as aqueous sodium hydroxide solution. Alternatively, an aromatic nitro compound is reduced under a CO/H.sub.2 O system using a rhodium compound or a ruthenium compound catalyst in the presence of the aqueous alkali solution and additionally at least one compound of amine compounds, diamine compounds, phosphine compounds, phosphite compounds, and diphosphine compounds.Type: GrantFiled: November 15, 1989Date of Patent: February 11, 1992Assignee: Sumitomo Chemical Company, LimitedInventors: Kotohiro Nomura, Masaru Ishino
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Patent number: 5034566Abstract: In a process for the production of 2,3-dimethylbutenes by the dehydrochlorination of 1-chloro-3,3-dimethylbutane in the presence of a catalyst, a conversion of the starting material and selectivity of the desired product can be improved when at least one compound selected from the group consisting of magnesium compounds, calcium compounds and lanthanum compounds is used as the catalyst.Type: GrantFiled: September 25, 1989Date of Patent: July 23, 1991Assignee: Sumitomo Chemical Company, LimitedInventors: Masaru Ishino, Michio Yamamoto, Motoo Hazama
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Patent number: 4595701Abstract: A process for producing aliphatic alcohols by reacting carbon monoxide and hydrogen in a liquid phase in the presence of catalyst components, characterized in that rhodium and a trialkylphosphine represented by the general formula PR.sub.1 R.sub.2 R.sub.3 where each of R.sub.1, R.sub.2 and R.sub.3 is a primary alkyl group, a secondary alkyl group, a tertiary alkyl group or a cycloalkyl group, are used as the catalyst components.Type: GrantFiled: December 24, 1984Date of Patent: June 17, 1986Assignee: Agency of Industrial Science and TechnologyInventors: Shuzo Nakamura, Takashi Deguchi, Mitsuhisa Tamura, Masaru Ishino, Keisuke Wada, Eiichi Watanabe, Yoshinori Hara, Kenji Murayama, Hiroo Tanaka
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Patent number: 4338467Abstract: A process for preparing an arylacetaldehyde by reacting the corresponding arylmethyl halide with carbon monoxide and hydrogen in the presence of a cobalt compound and a basic reagent in a liquid medium, characterized in that the basic reagent is an alkali metal compound and the liquid medium is a solvent system chosen from nitriles and their mixtures with hydrocarbons, whereby the arylacetaldehyde can be produced in a good yield by the use of a small amount of the cobalt compound as the catalyst.Type: GrantFiled: February 10, 1981Date of Patent: July 6, 1982Assignee: Sumitomo Chemical Company, LimitedInventors: Tetsuo Takano, Gohu Suzukamo, Masaru Ishino, Kiyoshi Ikimi
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Patent number: 4317918Abstract: An alcohol is produced in a high selectivity with a good yield from the corresponding carboxylic acid by reducing the latter with hydrogen in the presence of a rhenium catalyst in the coexistence of an organic base. An arylacetic acid, which is included in the starting carboxylic acid, can be produced in an excellent yield from the corresponding aryl aldehyde by reacting the latter with carbon monoxide and water in the presence of rhodium or its compound and hydrogen iodide.Type: GrantFiled: November 3, 1980Date of Patent: March 2, 1982Assignee: Sumitomo Chemical Co., Ltd.Inventors: Tetsuo Takano, Gohu Suzukamo, Masaru Ishino, Kiyoshi Ikimi