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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Publication number: 20040097366Abstract: Disclosed are (1) a polyolefin-based composite resin obtained using a catalyst comprising a silane-treated product of a layered compound such as clay and a transition metal complex, (2) a polyolefin-based composite resin comprising a polyolefin-based resin composition obtained using a catalyst comprising the layered compound and the transition metal complex each described above and a specific compound, (3) a production process for a high rigidity composite molded article, comprising subjecting the polyolefin-based composite resin obtained using the catalyst described above to shearing treatment during heating, (4) a production process for an olefin/polar vinyl monomer copolymer, using the catalyst described above and (5) a vinyl compound-polymerizing catalyst comprising a layered compound treated with a specific silane compound and a transition metal complex.Type: ApplicationFiled: September 29, 2003Publication date: May 20, 2004Inventors: Haruhito Sato, Harumi Nakashima, Toshiya Ariko, Kazuhiko Ito, Kiyohiko Yokota, Takenori Fujimura
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Patent number: 6630551Abstract: A catalyst which comprises a compound of a transition metal in Groups 8 to 10 of the Periodic Table having a nitrogenous tridentate ligand, a clay, clay minteral, or lamellar ion-exchanging compound, an organosilane compound, and organoaluminum compound, etc.; and a process for producing a polyolefin with the catalyst. The catalyst is highly active, does not adhere to reactor walls, and can give a polyolefin excellent in powder morphology. Consequently, a polyolefin (especially polyethylene) can be industrially advantageously produced.Type: GrantFiled: August 2, 2000Date of Patent: October 7, 2003Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Fumio Okuda, Haruhito Sato, Masahiko Kuramoto
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Publication number: 20030134991Abstract: 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.Type: ApplicationFiled: February 21, 2003Publication date: July 17, 2003Applicant: IDEMITSU PETROCHEMICAL CO., LTD.Inventors: Shinji Tanaka, Yasushi Shiraki, Takao Tamura, Masahiko Kuramoto, Haruhito Sato, Masami Watanabe
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Patent number: 6555633Abstract: 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: September 11, 2000Date of Patent: April 29, 2003Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Shinji Tanaka, Yasushi Shiraki, Takao Tamura, Masahiko Kuramoto, Haruhito Sato, Masami Watanabe
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Publication number: 20030027716Abstract: 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: August 20, 2002Publication date: February 6, 2003Inventors: Haruhito Sato, Masami Watanabe, Masahiko Kuramoto
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Patent number: 6395846Abstract: The invention relates to high-activity catalysts for olefin polymerization, to efficient methods for producing them, and to efficient methods of using the catalysts for producing high-quality polyolefins. The olefin polymerization with the catalysts does not require a large amount of an organic aluminium compound, and the residual metal in the polyolefins produced is much reduced. The catalysts are characterized by containing a product as prepared by contacting any of clay, a clay mineral and an ion-exchanging layered compound, an organic silane compound, and water with each other, or by containing a silane compound-processed clay.Type: GrantFiled: April 18, 2000Date of Patent: May 28, 2002Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Haruhito Sato, Masahiko Kuramoto
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Patent number: 6335405Abstract: Catalysts for olefin polymerization comprising (a) a compound of a transition metal of Groups 8 to 10 of the Periodic Table, (b) clay, a clay mineral or an ion-exchanging layered compound, (c) a silane compound, and optionally (d) an organic aluminium compound and/or (e) an alkylating agent, and those comprising (a) a compound of a transition metal of Groups 8 to 10 of the Periodic Table, (b) clay, a clay mineral or an ion-exchanging layered compound, (d) an organic aluminium compounds and optionally (e) an alkylating agent have high activity, though not containing a large amount of aluminoxane. Using the catalysts, high-quality olefin polymers with good morphology are produced efficiently. The amount of the residual metal to remain in the polymers produced is small.Type: GrantFiled: December 13, 1999Date of Patent: January 1, 2002Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Fumio Okuda, Haruhito Sato, Toshiya Abiko
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Patent number: 6316557Abstract: Provided area catalyst for polymerizing olefinic monomers, which comprises (a) a transition metal compound, (b) at least one member selected from clay, clay minerals and ion-exchanging layered compounds, (c) a silane compound, and optionally (d) an alkylating agent; a catalyst for polymerizing olefinic monomers, which comprises (a) a transition metal compound, (b) at least one member selected from clay, clay minerals and ion-exchanging layered compounds, (c) a silane compound, and optionally (e) an organic aluminum compound, and further optionally (d) an alkylating agent; and a method for producing olefinic polymers or styrenic polymers, which comprises homopolymerizing or copolymerizing olefinic or styrenic monomers in the presence of the catalyst for polymerizing olefinic monomers. The method does not require a large amount of aluminoxane, and the catalyst to be used therein has high polymerization activity.Type: GrantFiled: May 14, 1999Date of Patent: November 13, 2001Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Haruhito Sato, Toshiya Abiko, Satoshi Ikeuchi, Junichi Matsumoto, Harumi Nakashima
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Patent number: 5041548Abstract: Triethylene diamines are prepared in a high yield with an amine compound having a specific group as the starting material by bringing the same into contact with a catalyst formed of a crystalline metal silicate of which the molar ratio (SiO.sub.2 /M.sub.2 O.sub.3) of silicon dioxide (SiO.sub.2) to the oxide of a tervalent metal (M.sub.2 O.sub.3, M being the tervalent metal) is at least 12. Particularly high efficiency can be obtained by using a crystalline metal silicate crystallized in the presence of an organic crystallizing agent.Type: GrantFiled: June 17, 1987Date of Patent: August 20, 1991Assignee: Idemitsu Kosan Company LimitedInventors: Haruhito Sato, Masanori Tsuzuki
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Patent number: 4966969Abstract: The present invention relates to a process for preparing triethylenediamines which comprises contacting an amine compound having, in the molecule, a group represented by the general formula: ##STR1## (wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms and X is nitrogen or oxygen) with a catalyst comprising crystalline metallosilicate having a silica (SiO.sub.2)/metal oxide (M.sub.2 O.sub.3) molar ratio of 12/1 or more under a pressure of not less than 4 kg/cm.sup.2 (absolute pressure).According to the present invention, the conversion of the amine compound can be greatly increased and thus the desired triethylenediamines can be produced in a high yield.Type: GrantFiled: February 14, 1990Date of Patent: October 30, 1990Assignee: Idemitsu Kosan Company LimitedInventors: Haruhito Sato, Masanori Tsuzuki
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Patent number: 4721825Abstract: A process for producing xylene from toluene or benzene by the use as a catalyst of a fluorine-containing crystalline aluminosilicate or a fluorine-containing crystalline borosilicate. The specified crystalline silicate catalyst increases the conversion of toluene or benzen and the selectivity of xylene. This catalyst can keep its high catalytic activity for long periods of time during the reaction.Type: GrantFiled: June 8, 1984Date of Patent: January 26, 1988Assignee: Idemitsu Kosan Company LimitedInventors: Sumihiro Oda, Haruhito Sato
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Patent number: 4520219Abstract: A process for producing pseudocueme or durene is described, comprising methylating xylene by the use as a catalyst of at least one crystalline silicate selected from the group consisting of crystalline borosilicate, fluorine-containing crystalline borosilicate, fluorine-containing crystalline aluminosilicate, and fluorine-containing crystalline boroaluminosilicate. The specific crystalline silicate catalyst increases the conversion of xylene and the selectivity of pseudocumene or durene. The process of the invention can be performed either in one step or in two steps. The two-step reaction provides various industrial advantages, such as a high degree of utilization of the methylating agent and a great increase in the selectivity of the product.Type: GrantFiled: September 14, 1983Date of Patent: May 28, 1985Assignee: Idemitsu Kosan Company LimitedInventor: Haruhito Sato
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Patent number: 4503164Abstract: A zeolite catalyst having a double structure which comprises a core made of crystalline borosilicate and a shell made of crystalline silicon oxide. The zeolite catalyst is prepared by subjecting an aqueous solution containing a silicon compound to a hydrothermal reaction in the presence of borosilicate crystals. Various olefins are efficiently produced from methanol and/or dimethyl ether by using the zeolite catalyst. Paraxylene is also produced in a high selectivity by reacting toluene with methanol in the presence of the zeolite catalyst.Type: GrantFiled: December 16, 1983Date of Patent: March 5, 1985Assignee: Idemitsu Kosan Company LimitedInventor: Haruhito Sato
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Patent number: 4491678Abstract: A process for the production of para-xylene is described, comprising methylating benzene or toluene in the presence of a catalyst composed mainly of (A) crystalline borosilicate and (B) a compound containing at least one element selected from the group consisting of Group IIa elements of the Periodic Table, Group IIIa elements of the Periodic Table, silicon, and phosphorus. The process of the invention enables to produce para-xylene in a high selectivity and a high yield. Since the life of the catalyst as used herein is very long, the process of the invention can be performed continuously for long periods of time while maintaining its high catalytic activity.Type: GrantFiled: October 13, 1983Date of Patent: January 1, 1985Assignee: Idemitsu Kosan Company LimitedInventors: Sumihiro Oda, Haruhito Sato
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Patent number: 4465852Abstract: A process for producing carboxylic acid esters by reacting an olefin and a carboxylic acid in the presence of a crystalline metallosilicate catalyst. The catalyst has a mole ratio of silica to metal oxide of at least 12. The metal of the metal oxide is an element selected from the group consisting of the elements belonging to Groups III, IV, V, VI B, and VIII of the Periodic Table. The catalyst is preferably zeolitic, for example zeolitic aluminosilicate. The process is particularly effective when reacting relatively inactive olefins such as methylene and propylene.Type: GrantFiled: December 11, 1981Date of Patent: August 14, 1984Assignee: Idemitsu Kosan Company LimitedInventor: Haruhito Sato
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Patent number: 4405467Abstract: A sublimable composition comprising adamantane and a sublimable hydrocarbon other than adamantane. This composition is quite useful as a carrier for a mothproofing agent, a perfume, and the like. From this composition can be produced a molded product by melt molding, for example.Type: GrantFiled: July 30, 1981Date of Patent: September 20, 1983Assignee: Idemitsu Kosan Company LimitedInventors: Haruhito Sato, Hiroshi Ichikawa, Hiroshi Hayashi, Konomu Kurisaki
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Patent number: 4308168Abstract: A method for inhibiting corrosion of metal by contacting the metal with a volatile alkyl ester of an amino acid. The invention also provides compositions containing these alkyl esters of amino acids as an active anti-corrosion inhibitor. These compositions may be fluid or semi-fluid compositions exemplified by oil-base compositions. The compositions may also be porous materials such as zeolite, silica gel, paper board, kraft paper, cloth, etc.Type: GrantFiled: September 26, 1979Date of Patent: December 29, 1981Assignee: Idemitsu Kosan Co., Ltd.Inventors: Haruhito Sato, Keiji Osada
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Patent number: 4301043Abstract: A sublimable composition comprising adamantane and a sublimable hydrocarbon other than adamantane. This composition is quite useful as a carrier for a mothproofing agent, a perfume, and the like. From this composition can be produced a molded product by melt molding, for example.Type: GrantFiled: December 20, 1977Date of Patent: November 17, 1981Assignee: Idemitsu Kosan Company LimitedInventors: Haruhito Sato, Hiroshi Ichikawa, Hiroshi Hayashi, Konomu Kurisaki
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Patent number: 4233161Abstract: A sublimable composition comprising sublimable hydrocarbons and sublimable polar compounds, which is useful as a carrier for perfume, a mothproofing agent, a deodorant, and the like; a process for producing a molding from the above composition; and a sublimable multi-layer molding.Type: GrantFiled: December 20, 1977Date of Patent: November 11, 1980Assignee: Idemitsu Kosan Company LimitedInventors: Haruhito Sato, Hiroshi Ichikawa, Hiroshi Hayashi, Konomu Kurisaki