Patents Assigned to Tosoh Finechem Corporation
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Patent number: 10654779Abstract: There is provided a substituted bis(trifluorovinyl)benzene compound that is excellent in heat stability and is industrially useful, and a method for producing the same. There are used a substituted bis(trifluorovinyl)benzene compound represented by general formula (1); and a method for producing a substituted bis(trifluorovinyl)benzene compound, comprising the step of reacting in the presence of a catalyst (such as palladium) a bishalobenzene derivative represented by general formula (3) and a compound obtained by reacting 1,1,1,2-tetrafluoroethane, a zinc halide, and an organolithium compound and represented by general formula (4), to thereby obtain a substituted bis(trifluorovinyl)benzene compound represented by general formula (1).Type: GrantFiled: September 6, 2017Date of Patent: May 19, 2020Assignee: TOSOH FINECHEM CORPORATIONInventors: Hideki Miyauchi, Norihisa Kondo, Noritaka Nagasaki
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Publication number: 20200144623Abstract: An aluminum oxide article containing at least aluminum atoms and oxygen atoms is described. When observed under a transmission electron microscope, a cross section of the aluminum oxide article contains crystallized parts, in which a crystal lattice image is recognizable, and a non-crystallized part, in which no crystal lattice image is recognizable, and has an island-and-sea structure consisting of isolated parts containing the crystallized parts and the continuous non-crystallized part. The isolated parts correspond to island parts in the island-and-sea structure, the continuous non-crystallized part corresponds to a sea part, and a plurality of the island parts are uniformly distributed in the sea part. An aluminum oxide for improving the battery performance of a lithium ion secondary battery, the scratch resistance and hardness of a cured film, and the gas barrier properties of a gas barrier film is provided.Type: ApplicationFiled: March 14, 2018Publication date: May 7, 2020Applicant: Tosoh Finechem CorporationInventors: Yujin TAKEMOTO, Masahiro AOKI, Kouji TOYOTA, Koichiro INABA, Kentaro SAKAI
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Publication number: 20200048282Abstract: A method for producing a particulate aluminum alloy involves pulverizing an aluminum alloy in a hydrocarbon solvent in the presence of an organic aluminum compound. Methods for producing trialkylaluminum involve reacting an aluminum-magnesium alloy with an alkyl halide in the presence of a nitrogen-containing organic compound to obtain a trialkylaluminum-containing reaction product, and reacting an aluminum-magnesium alloy and an alkyl halide. A highly active, low viscosity composition containing the particulate aluminum alloy and a method for producing the particulate aluminum alloy-containing composition are also described.Type: ApplicationFiled: October 4, 2017Publication date: February 13, 2020Applicants: Tosoh Finechem Corporation, Tosoh Finechem CorporationInventors: Hiroshi MATSUO, Yujin TAKEMOTO, Kotaro SAKODA, Toshio NAKA
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Patent number: 10381488Abstract: A dialkylzinc partial hydrolysate-containing solution which can be handled in air and can form a zinc oxide thin film in air and a method for producing the zinc oxide thin film are provided. The dialkylzinc partial hydrolysate-containing solution contains a partial hydrolysate of dialkyl zinc represented by general formula (1) and a solvent which has a boiling point of 160° C. or higher, an amide structure represented by general formula (2), and which is an organic compound having a cyclic structure. The partial hydrolysate is the dialkylzinc hydrolyzed with water in a molar ratio in the range of 0.4 to 0.9 with respect to zinc in the dialkylzinc. A method for producing the zinc oxide thin film by applying the dialkylzinc partial hydrolysate-containing solution to a base material is also provided.Type: GrantFiled: May 10, 2016Date of Patent: August 13, 2019Assignee: Tosoh Finechem CorporationInventors: Kouji Toyota, Koichiro Inaba, Toshio Naka
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Publication number: 20180305484Abstract: To provide a novel fluorine-containing compound that does not include any long chain perfluoroalkyl unit having 8 or more carbon atoms, which is problematic in terms of the environment, and that is excellent in water repellency/oil repellency, and a surface modifier using the compound. [Solution] There are used a fluorine-containing compound represented by the following general formula (1), the following general formula (2) or the following general formula (5): Rf1—(CR1?CR2—X—Rf2)n—Y—Z (1), Rf1—(X—CR1?CR2—Rf2)n—Y—Z (2) or Rf3—(CF?CR3—CR4?CF—Rf4)n—Y—Z (5); and a surface modifier using the compound.Type: ApplicationFiled: July 2, 2018Publication date: October 25, 2018Applicant: TOSOH FINECHEM CorporationInventors: Shinichiro NAKAMURA, Norihisa KONDO, Takayuki YAMASAKI, Tomohiro SHIRAI
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Patent number: 9340630Abstract: A solid polymethylaluminoxane composition is provided having uniform particle diameter in the form of fine particles of less than 5 ?m employed to polymerize olefins with high polymerization activity without silica. A method for manufacturing thereof, a polymerization catalyst, and a method for manufacturing a polyolefin are also provided. The solid polymethylaluminoxane composition: has an aluminum content within a range of 36 mass % to 43 mass %; has a mole fraction of methyl groups derived from trimethylaluminum moieties relative to the total number of mols of methyl groups of 12 mol % or less; and is particulate having a median diameter based on volume within a range of 0.1 ?m to less than 5 ?m. In a step of heating an aromatic hydrocarbon solution containing trimethylaluminum and the polymethylaluminoxane to cause solid polymethylaluminoxane composition to precipitate, prior to or during the heat treating step, a dry, inert gas is bubbled through.Type: GrantFiled: March 15, 2013Date of Patent: May 17, 2016Assignee: TOSOH FINECHEM CORPORATIONInventors: Eiichi Kaji, Etsuo Yoshioka
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Patent number: 9156857Abstract: [Object] To improve heat stability of diethylzinc which is used for a catalyst of polymerizing, an organic synthetic reaction reagent and a raw materials for providing a zinc film by MOCVD. And to offer the diethylzinc composition being superior in heat stability, even if it handles for a long term a metal zinc particle does not precipitate. [Means for Solving Problem] Use a diethylzinc composition added a compound which has particular carbon-carbon double bond to a diethylzinc.Type: GrantFiled: December 15, 2011Date of Patent: October 13, 2015Assignee: TOSOH FINECHEM CORPORATIONInventors: Kenichi Haga, Shizuo Tomiyasu, Kohichi Tokudome, Kouji Toyota, Koichiro Inaba
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Patent number: 9096441Abstract: Disclosed is a composition for forming a zinc oxide thin film, which contains an organic zinc compound as a starting material, is not ignitable, and can be easily handled. The composition for forming a zinc oxide thin film is capable of forming a transparent zinc oxide thin film which is not doped or doped with a group 3B element by being heated at 300° C. or less. Also disclosed is a method for obtaining a transparent zinc oxide thin film, which is not doped or doped with a group 3B element, using the composition. Specifically, the composition for forming a zinc oxide thin film contains a product which is obtained by partially hydrolyzing an organic zinc compound by adding water to the organic zinc compound or a solution of the organic zinc compound and a group 3B element compound. In cases when a group 3B element compound is contained, the molar ratio of the group 3B element compound to the organic zinc compound is within the range of 0.005-0.3.Type: GrantFiled: April 21, 2010Date of Patent: August 4, 2015Assignee: TOSOH FINECHEM CORPORATIONInventors: Koichiro Inaba, Kouji Toyota, Kenichi Haga, Kouichi Tokudome
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Patent number: 9018125Abstract: [Object] To improve heat stability of diethylzinc which is used for a catalyst of polymerizing, an organic synthetic reaction reagent and a raw materials for providing a zinc film by MOCVD. And to offer the diethylzinc composition being superior in heat stability, even if it handles for a long term a metal zinc particle does not precipitate. [Solving Means] Use a diethylzinc composition added a compound which is added an aromatic compound as an additive which has isopropenyl group bonded as a side chain.Type: GrantFiled: March 31, 2014Date of Patent: April 28, 2015Assignee: Tosoh Finechem CorporationInventors: Kenichi Haga, Shizuo Tomiyasu, Kohichi Tokudome
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Patent number: 8975209Abstract: Disclosed is a solid support-polymethylaluminoxane complex exhibiting a higher polymerization activity than a conventional substance and being homogeneous. Also disclosed is a method for producing an olefin-based polymer having a favorable quality using the complex and a transition metal compound. The complex comprises a coating layer containing polymethylaluminoxane and trimethylaluminum on the surface of a solid support. The coating layer comprises a solid polymethylaluminoxane composition in which (i) the content of aluminum is in a range of 36 to 41 mass % and (ii) the molar fraction of methyl groups derived from a trimethylaluminum moiety to the total number of moles of methyl groups is 12 mol % or less. Also disclosed is an olefin polymerization catalyst comprising the complex and a transition metal compound represented by general formula (III): MR5R6R7R8 as catalyst components, and a method for producing a polyolefin comprising polymerizing an olefin using the catalyst.Type: GrantFiled: May 11, 2011Date of Patent: March 10, 2015Assignee: Tosoh Finechem CorporationInventors: Eiichi Kaji, Etsuo Yoshioka
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Patent number: 8865942Abstract: A method for producing high-purity 2-cyanophenylboronic acid, characterized by reacting benzonitrile, lithium 2,2,6,6-tetramethylpiperidide, and trialkoxyborane, adding an aqueous acidic solution to a reaction solution containing the obtained 2-cyanophenylboronic acid, carrying out a contact treatment at a pH of below 7 in the presence of a water-immiscible organic solvent, and then obtaining the 2-cyanophenylboronic acid from the organic layer.Type: GrantFiled: April 11, 2007Date of Patent: October 21, 2014Assignee: Tosoh Finechem CorporationInventor: Shinichiro Nakamura
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Publication number: 20140228207Abstract: [Object] To improve heat stability of diethylzinc which is used for a catalyst of polymerizing, an organic synthetic reaction reagent and a raw materials for providing a zinc film by MOCVD. And to offer the diethylzinc composition being superior in heat stability, even if it handles for a long term a metal zinc particle does not precipitate. [Solving Means] Use a diethylzinc composition added a compound which is added an aromatic compound as an additive which has isopropenyl group bonded as a side chain.Type: ApplicationFiled: March 31, 2014Publication date: August 14, 2014Applicant: TOSOH FINECHEM CORPORATIONInventors: Kenichi HAGA, Shizuo TOMIYASU, Kohichi TOKUDOME
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Patent number: 8722561Abstract: [Object] To improve heat stability of diethylzinc which is used for a catalyst of polymerizing, an organic synthetic reaction reagent and a raw materials for providing a zinc film by MOCVD. And to offer the diethylzinc composition being superior in heat stability, even if it handles for a long term a metal zinc particle does not precipitate. [Solving Means] Use a diethylzinc composition added a compound which is added an aromatic compound as an additive which has isopropenyl group bonded as a side chain.Type: GrantFiled: September 1, 2010Date of Patent: May 13, 2014Assignee: Tosoh Finechem CorporationInventors: Kenichi Haga, Shizuo Tomiyasu, Kohichi Tokudome
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Patent number: 8673413Abstract: A method for packing a solid organometallic compound into a container for packing the compound is provided, wherein the solid organometallic compound can be stably supplied to a vapor phase epitaxial growth apparatus such as an MOCVD apparatus at a constant concentration for a long period of time. In the method for packing a solid organometallic compound into a container for packing, the compound is composed of grains having a grain size of 8 mm or less and the grains of the compound essentially comprise grains having a grain size of 2.5 to 6 mm.Type: GrantFiled: January 27, 2006Date of Patent: March 18, 2014Assignee: Tosoh Finechem CorporationInventors: Shizuo Tomiyasu, Kohichi Tokudome, Kenichi Haga
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Publication number: 20130281724Abstract: [Object] To improve heat stability of diethylzinc which is used for a catalyst of polymerizing, an organic synthetic reaction reagent and a raw materials for providing a zinc film by MOCVD. And to offer the diethylzinc composition being superior in heat stability, even if it handles for a long term a metal zinc particle does not precipitate. [Means for solving problem] Use a diethylzinc composition added a compound which has particular carbon-carbon double bond to a diethylzinc.Type: ApplicationFiled: December 15, 2011Publication date: October 24, 2013Applicant: TOSOH FINECHEM CORPORATIONInventors: Kenichi Haga, Shizuo Tomiyasu, Kohichi Tokudome, Kouji Toyota, Koichiro Inaba
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Patent number: 8404880Abstract: Disclosed are: a solid polymethylaluminoxane composition which does not utilize silica or the like, has the form of relatively fine particles, has more uniform particle sizes, and exhibits a high polymerization activity when used in the preparation of an olefin polymer; a process for producing the solid polymethylaluminoxane composition; a polymerization catalyst; and a process for producing an olefin polymer.Type: GrantFiled: November 11, 2009Date of Patent: March 26, 2013Assignee: Tosoh Finechem CorporationInventors: Eiichi Kaji, Etsuo Yoshioka
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Publication number: 20130059990Abstract: Disclosed is a solid support-polymethylaluminoxane complex exhibiting a higher polymerization activity than a conventional substance and being homogeneous. Also disclosed is a method for producing an olefin-based polymer having a favorable quality using the complex and a transition metal compound. The complex comprises a coating layer containing polymethylaluminoxane and trimethylaluminum on the surface of a solid support. The coating layer comprises a solid polymethylaluminoxane composition in which (i) the content of aluminum is in a range of 36 to 41 mass % and (ii) the molar fraction of methyl groups derived from a trimethylaluminum moiety to the total number of moles of methyl groups is 12 mol % or less. Also disclosed is an olefin polymerization catalyst comprising the complex and a transition metal compound represented by general formula (III): MR5R6R7R8 as catalyst components, and a method for producing a polyolefin comprising polymerizing an olefin using the catalyst.Type: ApplicationFiled: May 11, 2011Publication date: March 7, 2013Applicant: Tosoh Finechem CorporationInventors: Eiichi Kaji, Etsuo Yoshioka
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Publication number: 20120184432Abstract: [Object] To improve heat stability of diethylzinc which is used for a catalyst of polymerizing, an organic synthetic reaction reagent and a raw materials for providing a zinc film by MOCVD. And to offer the diethylzinc composition being superior in heat stability, even if it handles for a long term a metal zinc particle does not precipitate. [Solving Means] Use a diethylzinc composition added a compound which is added an aromatic compound as an additive which has isopropenyl group bonded as a side chain.Type: ApplicationFiled: September 1, 2010Publication date: July 19, 2012Applicant: Tosoh Finechem CorporationInventors: Kenichi Haga, Shizuo Tomiyasu, Kohichi Tokudome
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Patent number: 8211820Abstract: The invention provides a catalyst composition for use in a cross-coupling reaction containing an iron or cobalt fluoride and a nitrogen-containing heterocyclic ring compound represented by General Formula (1A) or (1B), wherein R1 and R2 are same or different, and represent substituted or unsubstituted aryl group etc.; and R3 and R4 are same or different, and represent hydrogen etc., ?represents a single bond or a double bond, and X? represents a monovalent anion. The invention also provides a method for producing a cross-coupling compound by reacting an organic magnesium compound with an organic halogen compound in the presence of the catalyst composition.Type: GrantFiled: March 3, 2008Date of Patent: July 3, 2012Assignees: Kyoto University, Tosoh Finechem CorporationInventors: Masaharu Nakamura, Takuji Hatakeyama
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Patent number: 8092604Abstract: A solid organometallic compound novel filled container stably supplies an apparatus for vapor phase epitaxial growth such as an MOCVD apparatus with a solid organometallic compound over a long term. The solid organometallic compound-filled container has a carrier gas inlet and a carrier gas outlet. The interior of the filled container is separated into a plurality of vertical compartments. A carrier gas introduced via the carrier gas inlet flows through each of the vertical compartments and is then discharged via the carrier gas outlet.Type: GrantFiled: May 12, 2009Date of Patent: January 10, 2012Assignee: Tosoh Finechem CorporationInventors: Shizuo Tomiyasu, Kohichi Tokudome, Kenichi Haga