Patents by Inventor Haruhito Sato
Haruhito Sato 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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Patent number: 8373011Abstract: The present invention provides a process for producing a saturated aliphatic hydrocarbon prepared using an ?-olefin as a raw material and represented by the general formula (1), including the steps of: (I) producing a vinylidene olefin by dimerizing the ?-olefin in the presence of a metallocene complex catalyst; (II) further dimerizing the vinylidene olefin in the presence of an acid catalyst; and (III) hydrogenating the obtained dimer. Further, there are provided a lubricant composition containing the saturated aliphatic hydrocarbon compound produced by the above process, a bearing oil consisting of the lubricant composition, and making use of the same, a bearing and gyral equipment. The saturated aliphatic hydrocarbon compounds produced by the process of the present invention have low-temperature fluidity, exhibiting low evaporativity, and excellent in thermal stability and oxidation stability.Type: GrantFiled: October 31, 2007Date of Patent: February 12, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Hideto Kamimura
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Patent number: 8158564Abstract: A compound which satisfies requirements for the annealing property and the lubricating property simultaneously and a process for producing the compound are provided. The compound is an alkylacetal compound represented by the following general formula (1) or (2). In the general formulae, R1 and R2 represent hydrocarbon groups, R3 to R8 represent hydrogen atom or hydrocarbon groups, i and j represent integers satisfying the relation that the sum of the integers is 8 to 98, and k represents 0 or 1.Type: GrantFiled: April 9, 2009Date of Patent: April 17, 2012Assignee: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Akihiro Shishikura
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Patent number: 7838692Abstract: A compound which satisfies requirements for the annealing property and the lubricating property simultaneously and a process for producing the compound are provided. The compound is an alkylacetal compound represented by the following general formula (1) or (2). In the general formulae, R1 and R2 represent hydrocarbon groups, R3 to R8 represent hydrogen atom or hydrocarbon groups, i and j represent integers satisfying the relation that the sum of the integers is 8 to 98, and k represents 0 or 1.Type: GrantFiled: February 22, 2005Date of Patent: November 23, 2010Assignee: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Akihiro Shishikura
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Patent number: 7790909Abstract: Provided are a novel compound which improves the solubility of any one of various lubricating oil additives when used as base oil, in particular, a base oil component in a lubricating oil composition, and is capable of realizing low viscosity/low volatility characteristics that have not been achieved in PAO compositions to which conventional additives are added, and a method for producing the compound. Disclosed is 2-alkyl-4,4-dialkyl-1,3-dioxolane having a structure represented by the general formula (I) below: wherein R1 to R4 each independently represent an alkyl group having 1 to 30 carbon atoms.Type: GrantFiled: September 12, 2005Date of Patent: September 7, 2010Assignee: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Takuji Okamoto
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Publication number: 20090281217Abstract: A polyurethane composition containing a urethane compound prepared by reacting 100 parts by weight of a polyol with a polyisocyanate such that the NCO/OH equivalent weight ratio is greater than 0.5 but less than 15, and an epoxidation product of a dimmer of a linear olefin compound having 6 to 30 carbon atoms, wherein the content of the compound (B) per 100 parts by weight of the polyol is greater than 5 parts by weight but less than 400 parts by weight.Type: ApplicationFiled: July 20, 2009Publication date: November 12, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Shintaro SUZUKI, Yuichi Fukunaga, Haruhito Sato
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Publication number: 20090270288Abstract: A compound which satisfies requirements for the annealing property and the lubricating property simultaneously and a process for producing the compound are provided. The compound is an alkylacetal compound represented by the following general formula (1) or (2). In the general formulae, R1 and R2 represent hydrocarbon groups, R3 to R8 represent hydrogen atom or hydrocarbon groups, i and j represent integers satisfying the relation that the sum of the integers is 8 to 98, and k represents 0 or 1.Type: ApplicationFiled: April 9, 2009Publication date: October 29, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Akihiro Shishikura
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Patent number: 7601793Abstract: A polyurethane composition containing (A) a urethane compound obtained by reacting 100 parts by weight of a polyol with a polyisocyanate such that the NCO/OH equivalent weight ratio is greater than 0.5 but smaller than 15, and (B) a compound selected from a linear olefin compound having at least 6 carbon atoms, an oligomer of a linear olefin compound having at least 6 carbon atoms or an epoxy compound of an oligomer of a linear olefin compound having at least 6 carbon atoms, wherein the content of said compound (B) per 100 parts by weight of said polyol is greater than 5 parts by weight but smaller than 400 parts by weight. This composition is a composition with no suspicions that it contains an endocrine-disrupting chemical.Type: GrantFiled: February 9, 2005Date of Patent: October 13, 2009Assignee: Idemitsu Kosan Co., Ltd.Inventors: Shintaro Suzuki, Yuichi Fukunaga, Haruhito Sato
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Patent number: 7547808Abstract: To provide a process capable of producing an aldehyde with a 2-position branched long-chain alkyl with high yield and high selectivity. The process for producing an aldehyde with a 2-position branched long-chain alkyl represented by the following general formula (2) contains: using a 2-position branched epoxide represented by the following general formula (1) as a raw material; and subjecting the epoxide to acid rearrangement reaction with a polyacid of a metallic oxoacid as a catalyst. In the formulae, n represents an integer of from 5 to 17.Type: GrantFiled: July 21, 2006Date of Patent: June 16, 2009Assignee: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Takashi Kashiwamura, Yoshio Ikeda
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Publication number: 20090076311Abstract: To provide a process capable of producing an aldehyde with a 2-position branched long-chain alkyl with high yield and high selectivity. The process for producing an aldehyde with a 2-position branched long-chain alkyl represented by the following general formula (2) contains: using a 2-position branched epoxide represented by the following general formula (1) as a raw material; and subjecting the epoxide to acid rearrangement reaction with a polyacid of a metallic oxoacid as a catalyst. In the formulae, n represents an integer of from 5 to 17.Type: ApplicationFiled: July 21, 2006Publication date: March 19, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Takashi Kashiwamura, Yoshio Ikeda
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Publication number: 20080234152Abstract: A compound which satisfies requirements for the annealing property and the lubricating property simultaneously and a process for producing the compound are provided. The compound is an alkylacetal compound represented by the following general formula (1) or (2). In the general formulae, R1 and R2 represent hydrocarbon groups, R3 to R8 represent hydrogen atom or hydrocarbon groups, i and j represent integers satisfying the relation that the sum of the integers is 8 to 98, and k represents 0 or 1.Type: ApplicationFiled: February 22, 2005Publication date: September 25, 2008Applicant: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Akihiro Shishikura
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Patent number: 7402610Abstract: A carbonyl compound represented by the following formula [1], wherein X is hydrogen, a hydroxy group, an alkoxy group or a group derived from a polyol, and n, which is the same in each instance, is 4 to 30. Compositions comprising the compound, and method for making the compound.Type: GrantFiled: January 28, 2005Date of Patent: July 22, 2008Assignee: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Takashi Kashiwamura, Takuji Okamoto, Kiyohiko Yokota
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Publication number: 20080146469Abstract: The present invention provides a process for producing a saturated aliphatic hydrocarbon prepared using an ?-olefin as a raw material and represented by the general formula (1), including the steps of: (I) producing a vinylidene olefin by dimerizing the ?-olefin in the presence of a metallocene complex catalyst; (II) further dimerizing the vinylidene olefin in the presence of an acid catalyst; and (III) hydrogenating the obtained dimer. Further, there are provided a lubricant composition containing the saturated aliphatic hydrocarbon compound produced by the above process, a bearing oil consisting of the lubricant composition, and making use of the same, a bearing and gyral equipment. The saturated aliphatic hydrocarbon compounds produced by the process of the present invention have low-temperature fluidity, exhibiting low evaporativity, and excellent in thermal stability and oxidation stability.Type: ApplicationFiled: October 31, 2007Publication date: June 19, 2008Applicant: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Hideto Kamimura
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Publication number: 20080051588Abstract: Provided are a novel compound which improves the solubility of any one of various lubricating oil additives when used as base oil, in particular, a base oil component in a lubricating oil composition, and is capable of realizing low viscosity/low volatility characteristics that have not been achieved in PAO compositions to which conventional additives are added, and a method for producing the compound. Disclosed is 2-alkyl-4,4-dialkyl-1,3-dioxolane having a structure represented by the general formula (I) below: wherein R1 to R4 each independently represent an alkyl group having 1 to 30 carbon atoms.Type: ApplicationFiled: September 12, 2005Publication date: February 28, 2008Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Haruhito Sato, Takuji Okamoto
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Publication number: 20070282123Abstract: A long-chain branched alkyl group-containing primary carbonyl compound which excels in low temperature fluidity and biodegradability and possesses a high boiling point, and a synthetic lubricant are provided. The carbonyl compound represented by the following formula [1] excels in low temperature fluidity and biodegradability and possesses a high boiling point, wherein X is hydrogen, a hydroxy group, an alkoxy group or a group derived from a polyol, and n is 4 to 30. The compound is suitably used in lubricating oils.Type: ApplicationFiled: January 28, 2005Publication date: December 6, 2007Applicant: Idemitsu Kosan Co., LtdInventors: Haruhito Sato, Takashi Kashiwamura, Takuji Okamoto, Kiyohiko Yokota
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Publication number: 20070270537Abstract: A polyurethane composition containing (A) a urethane compound obtained by reacting 100 parts by weight of a polyol with a polyisocyanate such that the NCO/OH equivalent weight ratio is greater than 0.5 but smaller than 15, and (B) a compound selected from a linear olefin compound having at least 6 carbon atoms, an oligomer of a linear olefin compound having at least 6 carbon atoms or an epoxy compound of an oligomer of a linear olefin compound having at least 6 carbon atoms, wherein the content of said compound (B) per 100 parts by weight of said polyol is greater than 5 parts by weight but smaller than 400 parts by weight. This composition is a composition with no suspicions that it contains an endocrine-disrupting chemical.Type: ApplicationFiled: February 9, 2005Publication date: November 22, 2007Applicant: Idemitsu Kosan Co., Ltd.Inventors: Shintaro Suzuki, Yuichi Fukunaga, Haruhito Sato
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Patent number: 7176266Abstract: A catalyst for polymerizing vinyl compounds or ?-olefins according to the present invention includes (A) a transition metal complex, (B) a clay, clay mineral or ion-exchangeable layered compound, modified with at least one organic compound selected from the group consisting of quaternary ammonium salts, amine compounds, and adducts of amine and Brönsted acid, and (C) at least one aluminoxy compound. The transition metal in (A) is selected from Groups 4 to 10 or Groups 8 to 10 of the Periodic Table for catalysts for vinyl compounds or ?-olefins, respectively. The aluminoxy compound is represented by the general Formula wherein a plurality of R groups are each independently C1-10 hydrocarbon group and at least one of the R groups is a hydrocarbon group having 2 or more carbon atoms; and z is an integer of 2 or more for catalyst for vinyl compounds and 2 to 4 for catalysts for ?-olefins.Type: GrantFiled: July 13, 2004Date of Patent: February 13, 2007Assignee: Idemitsu Kosan Co. Ltd.Inventors: Haruhito Sato, Masami Watanabe, Masahiko Kuramoto
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Patent number: 6841693Abstract: A transition metal compound of Groups to 10 of the Periodic Table, represented by the following formula (1): wherein M represents a transition metal of Groups 8 to 10 of the Periodic Table; L, electrically neutral, represents a hetero atom-containing hydrocarbon group represented by the following formula (2) wherein R1 to R5 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having form 1 to 20 carbon atoms, a halogenohydrocarbon group having from 1 to 20 carbon atoms, or a hetero atom-containing group, and optionally these groups are bonded to each other to form a ring; R6 represents a hydrogen atom, a hydrocarbon group having form 1 to 40 carbon atoms, a halogenohydrocarbon group having from 1 to 40 carton atoms, or a hetero atom-containing group; L? electrically neutral, represents a hetero atom-containing hydrocarbon group represented by the following formula (3) wherein R7 to R11 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon groupType: GrantFiled: November 10, 2000Date of Patent: January 11, 2005Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Masami Watanabe, Haruhito Sato, Masahiko Kuramoto, Shinji Tanaka, Takao Tamura
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Patent number: 6835788Abstract: The catalyst for polymerizing vinyl compounds according to the present invention comprises (A) a complex of Group 4 to 10 transition metal of the Periodic Table, (B) a clay, clay mineral or ion-exchangeable layered compound, and (C) at least one aluminoxy compound represented by Formula (1): wherein a plurality of R groups are each independently C1-10 hydrocarbon group and at least one of the R groups is a hydrocarbon group having 2 or more carbon atoms; and x is an integer of 2 or more. By using the Group 4 to 10 transition metal complex and the clay, clay mineral or ion-exchangeable layered compound in combination with the specific aluminoxy compound, vinyl polymers are produced at a high efficiency.Type: GrantFiled: August 20, 2002Date of Patent: December 28, 2004Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Haruhito Sato, Masami Watanabe, Masahiko Kuramoto
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Publication number: 20040259720Abstract: The catalyst for polymerizing vinyl compounds according to the present invention comprises (A) a complex of Group 4 to 10 transition metal of the Periodic Table, (B) a clay, clay mineral or ion-exchangeable layered compound, and (C) at least one aluminoxy compound represented by Formula (1): 1Type: ApplicationFiled: July 13, 2004Publication date: December 23, 2004Applicant: IDEMITSU PETROCHEMICAL CO., LTD.Inventors: Haruhito Sato, Masami Watanabe, Masahiko Kuramoto
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Patent number: 6787499Abstract: A catalyst which is able to express a high oligomerizing activity of ethylene and a method for the production of &agr;-olefin where ethylene is oligomerized using said catalyst are provided. The present invention relates to a catalyst for the production of &agr;-olefin obtained by contacting (a) clay, clay mineral or ion-exchange layer compound with (b-1) a transition metal complex of Groups 4 to 6 of the Periodic Table and also relates to a method for the production of &agr;-olefin by oligomerization of ethylene using said catalyst. The present invention further relates to a catalyst for the production of &agr;-olefin obtained by contacting (a) clay, clay mineral or ion-exchange layer compound with (b-2) a transition metal complex of Groups 8 to 10 of the Periodic Table and also relates to a method of the production of &agr;-olefin by oligomerization of ethylene using said catalyst.Type: GrantFiled: February 21, 2003Date of Patent: September 7, 2004Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Shinji Tanaka, Yasushi Shiraki, Takao Tamura, Masahiko Kuramoto, Haruhito Sato, Masami Watanabe