Patents by Inventor Kazuaki Hayasaka
Kazuaki Hayasaka 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: 20180282658Abstract: A method for producing a base oil for lubricant oils comprising: a first step of hydrocracking a petroleum slack wax having a content percentage of a heavy matter having 30 or more carbon atoms of 80% by mass or more and a content percentage of an oil of 15% by mass or less so that a crack per mass of the heavy matter is 5 to 30% by mass to obtain a hydrocracked oil comprising the heavy matter and a hydrocracked product thereof; and a second step of obtaining the base oil for lubricant oils from the hydrocracked oil.Type: ApplicationFiled: May 19, 2016Publication date: October 4, 2018Applicant: JXTG NIPPON OIL & ENERGY CORPORATIONInventors: Koshi TAKAHAMA, Tomohisa HIRANO, Munehiro SAKANOUE, Kazuaki HAYASAKA
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Patent number: 10087376Abstract: A catalyst is provided for production of monocyclic aromatic hydrocarbons having a carbon number of 6 to 8 from feedstock in which a 10 vol % distillation temperature is 140° C. or higher and a 90 vol % distillation temperature is 380° C. or lower. The catalyst contains crystalline aluminosilicate including large-pore zeolite having a 12-membered ring structure, and intermediate-pore zeolite having a 10-membered ring structure.Type: GrantFiled: July 16, 2015Date of Patent: October 2, 2018Assignee: JX Nippon Oil & Energy CorporationInventors: Shinichiro Yanagawa, Masahide Kobayashi, Kazuaki Hayasaka
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Patent number: 9988585Abstract: A method for producing a base oil for lubricant oils comprising: a first step of hydrocracking a stock oil having a content percentage of a heavy matter of 80% by mass or more so that a crack per mass of the heavy matter is 20 to 85% by mass, to obtain a hydrocracked oil comprising the heavy matter and a hydrocracked product thereof, a second step of fractionating the hydrocracked oil into a base oil fraction comprising the hydrocracked product and a heavy fraction comprising the heavy matter and being heavier than the base oil fraction, respectively, a third step of isomerization dewaxing the base oil fraction from the fractionation in the second step to obtain a dewaxed oil, wherein the heavy fraction from the fractionation in the second step is returned to the first step as a part of the stock oil.Type: GrantFiled: November 5, 2013Date of Patent: June 5, 2018Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Kazuaki Hayasaka, Yoshiyuki Nagayasu, Marie Iwama, Mayumi Yokoi, Tomohisa Hirano
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Patent number: 9868112Abstract: A Fischer-Tropsch synthesis catalyst containing 10 to 30% by mass, as a metal atom, of metallic cobalt and/or cobalt oxide, based on the mass of the catalyst, supported on a carrier containing silica, in which the carrier has an average pore diameter of 8 to 25 nm and the metallic cobalt and/or cobalt oxide has an average crystallite diameter of not less than the average pore diameter of the carrier and less than 35 nm.Type: GrantFiled: July 27, 2015Date of Patent: January 16, 2018Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Hideki Ono, Yoshiyuki Nagayasu, Kazuaki Hayasaka
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Patent number: 9868912Abstract: A method for producing a lubricating base oil, comprising: performing a 13C-NMR analysis regarding an oil to be treated and selecting the oil based on a value for dividing an integrated value of a peak for a tertiary carbon atom by an integrated value of all peaks at 0 to 50 ppm, a value for dividing an integrated value of a peak for a carbon atom constituting a main chain by the integrated value of all peaks at 0 to 50 ppm, and a value for dividing an integrated value of a peak for a branched CH3 bonded to a fifth or the following carbon atom from a terminal carbon atom in the main chain by an integrated value of all peaks at 10 to 25 ppm, and obtaining a dewaxed oil by isomerization dewaxing of the oil selected in the first step, is disclosed.Type: GrantFiled: March 26, 2014Date of Patent: January 16, 2018Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Kazuaki Hayasaka, Yasushi Wada, Marie Iwama, Koshi Takahama
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Patent number: 9840672Abstract: A method for producing a hydroisomerization catalyst includes a first step of preparing a support precursor by heating a mixture containing an ion-exchanged zeolite and a binder, the ion-exchanged zeolite being prepared by ion-exchanging an organic template-containing zeolite which contains an organic template and has a one-dimensional pore structure including a 10-membered ring in a solution containing ammonium ions and/or protons, at a temperature of 250 to 350° C. under N2 atmosphere, and a second step of preparing a hydroisomerization catalyst, which is prepared by calcining a catalyst precursor, the catalyst precursor being prepared based on the support precursor containing a platinum salt and/or a palladium salt, at a temperature of 350 to 400° C. in an atmosphere containing molecular oxygen, the hydroisomerization catalyst containing a support which includes a zeolite and carries platinum and/or palladium.Type: GrantFiled: March 29, 2013Date of Patent: December 12, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshiyuki Nagayasu, Kazuaki Hayasaka, Mayumi Yokoi, Koshi Takahama
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Patent number: 9827554Abstract: A process for producing a Fischer-Tropsch synthesis catalyst according to the present invention comprises a step of calcining a carrier precursor containing silica calcined at a temperature T1 and a zirconium compound at a temperature T2 to obtain a carrier; and a step of calcining a catalyst precursor containing the carrier and a cobalt compound and/or a ruthenium compound at a temperature T3, wherein the content of the zirconium compound in the carrier precursor is 0.01 to 7% by mass in terms of zirconium oxide based on the total mass of the catalyst, and T1, T2, and T3 satisfy conditions represented by expressions (1) to (3): T1?T3??(1) 250° C.?T2?450° C.??(2) 250° C.?T3?450° C.??(3).Type: GrantFiled: September 12, 2013Date of Patent: November 28, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshiyuki Nagayasu, Kazuaki Hayasaka, Eri Kosaka, Koshi Takahama
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Patent number: 9827558Abstract: A catalyst is provided for production of hydrocarbons including monocyclic aromatic hydrocarbons having a carbon number of 6 to 8 and aliphatic hydrocarbons having a carbon number of 3 to 4 from feedstock in which a 10 vol % distillation temperature is 140° C. or higher and a 90 vol % distillation temperature is 380° C. or lower. The catalyst includes crystalline aluminosilicate including large-pore zeolite having a 12-membered ring structure.Type: GrantFiled: January 20, 2011Date of Patent: November 28, 2017Assignee: JX Nippon Oil & Energy CorporationInventors: Shinichiro Yanagawa, Masahide Kobayashi, Kazuaki Hayasaka
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Patent number: 9815750Abstract: A catalyst for producing monocyclic aromatic hydrocarbons, used for producing monocyclic aromatic hydrocarbons of 6 to 8 carbon number from a feedstock oil having a 10 volume % distillation temperature of at least 140° C. and an end point temperature of not more than 400° C., wherein the catalyst contains a crystalline aluminosilicate, gallium and/or zinc, and phosphorus, the molar ratio between silicon and aluminum (Si/Al ratio) in the crystalline aluminosilicate is not more than 100, the molar ratio between the phosphorus supported on the crystalline aluminosilicate and the aluminum of the crystalline aluminosilicate (P/Al ratio) is not less than 0.01 and not more than 1.0, and the amount of gallium and/or zinc is not more than 1.2% by mass based on the mass of the crystalline aluminosilicate.Type: GrantFiled: August 22, 2014Date of Patent: November 14, 2017Assignee: JX Nippon Oil & Energy CorporationInventors: Shinichiro Yanagawa, Masahide Kobayashi, Yuko Aoki, Kazuaki Hayasaka
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Patent number: 9809507Abstract: A catalyst for producing monocyclic aromatic hydrocarbons of 6 to 8 carbon number from a feedstock oil having a 10 volume % distillation temperature of at least 140° C. and an end point temperature of not more than 400° C., or a feedstock oil having a 10 volume % distillation temperature of at least 140° C. and a 90 volume % distillation temperature of not more than 360° C., wherein the catalyst contains a crystalline aluminosilicate, gallium and/or zinc, and phosphorus, and the amount of phosphorus supported on the crystalline aluminosilicate is within a range from 0.1 to 1.9% by mass based on the mass of the crystalline aluminosilicate; and a method for producing monocyclic aromatic hydrocarbons, the method involving bringing a feedstock oil having a 10 volume % distillation temperature of at least 140° C. and an end point temperature of not more than 400° C., or a feedstock oil having a 10 volume % distillation temperature of at least 140° C.Type: GrantFiled: August 25, 2014Date of Patent: November 7, 2017Assignee: JX Nippon Oil & Energy CorporationInventors: Shinichiro Yanagawa, Masahide Kobayashi, Yuko Aoki, Kazuaki Hayasaka
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Patent number: 9713807Abstract: A method for producing a hydroisomerization catalyst according to the present invention includes: a first step of preparing a catalyst to be treated, which contains a support having a one-dimensional porous structure including a 10-membered ring and at least one metal selected from the group consisting of: group 8 to 10 metals of the periodic table, Mo, and W supported on the hydroisomerization catalyst; and a second step of producing a hydroisomerization catalyst having a carbon content of 0.4 to 2.5% by mass by subjecting the catalyst to be treated to a coking treatment by means of a carbon-containing compound.Type: GrantFiled: March 29, 2013Date of Patent: July 25, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshiyuki Nagayasu, Kazuaki Hayasaka, Marie Iwama
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Patent number: 9677012Abstract: A method for producing a lubricant base oil that has a predetermined boiling point range, the method including a first step of bringing a feedstock containing a first hydrocarbon oil having a boiling point in the above boiling point range and a second hydrocarbon oil having a lower boiling point than the boiling point range into contact with a hydroisomerization catalyst, wherein the catalyst contains a support that includes a zeolite having a one-dimensional porous structure including a 10-membered ring and a binder, and platinum and/or palladium supported on the support.Type: GrantFiled: March 29, 2013Date of Patent: June 13, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Marie Iwama, Kazuaki Hayasaka, Yoshiyuki Nagayasu
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Patent number: 9663422Abstract: A method for producing a lubricant base oil which comprises a first step of carrying out isomerization dewaxing by contacting, in the presence of hydrogen, a hydrocarbon oil containing normal paraffin having a boiling point of 360° C. or higher, with a hydroisomerization catalyst under conditions such that a cracking rate defined in the following formula (1) is 10 mass % or less, and a second step of carrying out the above isomerization dewaxing by temporarily switching the above conditions to conditions such that the cracking rate is 13 mass % or more. Cracking rate (mass %)=[(C1?C2)/C1]×100??(1) wherein C1 represents the mass ratio of a fraction having a boiling point of 360° C. or higher in the above hydrocarbon oil, and C2 represents the mass ratio of the fraction having a boiling point of 360° C. or higher in the above hydrocarbon oil after the isomerization dewaxing.Type: GrantFiled: March 29, 2013Date of Patent: May 30, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshiyuki Nagayasu, Marie Iwama, Kazuaki Hayasaka, Koshi Takahama
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Patent number: 9637692Abstract: The hydroisomerization catalyst of the present invention is a catalyst used for hydroisomerization of a hydrocarbon, including a support including a calcined zeolite modified with at least one metal selected from the group consisting of Na, K, Cs, Mg, Ca, Ba, and K, and having a thermal history that includes heating at 350° C. or more, and at least one inorganic oxide selected from the group consisting of alumina, silica, titania, boria, zirconia, magnesia, ceria, zinc oxide, phosphorus oxide, and a composite oxide containing a combination of at least two or more of these oxides; and at least one metal supported on the support and selected from the group consisting of elements belonging to Groups 8 to 10 of the periodic table, molybdenum and tungsten.Type: GrantFiled: March 24, 2011Date of Patent: May 2, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshiyuki Nagayasu, Kazuaki Hayasaka, Hideki Ono, Takaya Matsumoto
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Patent number: 9598650Abstract: The hydroisomerization catalyst of the present invention is a catalyst used for hydroisomerization of a hydrocarbon, including a support including a calcined zeolite modified with at least one metal selected from the group consisting of Na, K, Cs, Mg, Ca, Ba, and K, and having a thermal history that includes heating at 350° C. or more, and at least one inorganic oxide selected from the group consisting of alumina, silica, titania, boria, zirconia, magnesia, ceria, zinc oxide, phosphorus oxide, and a composite oxide containing a combination of at least two or more of these oxides; and at least one metal supported on the support and selected from the group consisting of elements belonging to Groups 8 to 10 of the periodic table, molybdenum and tungsten.Type: GrantFiled: March 24, 2011Date of Patent: March 21, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Yoshiyuki Nagayasu, Kazuaki Hayasaka, Hideki Ono, Takaya Matsumoto
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Patent number: 9562200Abstract: A method for producing a lubricant base oil, the method comprising a first step of fractionating, from a hydrocarbon oil containing a base oil fraction and a heavy fraction that is heavier than the base oil fraction, the base oil fraction and the heavy fraction, and a second step of obtaining a dewaxed oil by isomerization and dewaxing of the base oil fraction fractionated in the first step, wherein a hydrocracked oil obtained by hydrocracking the heavy fraction fractionated in the first step is returned to the first step.Type: GrantFiled: March 29, 2013Date of Patent: February 7, 2017Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Marie Iwama, Kazuaki Hayasaka, Yoshiyuki Nagayasu, Koshi Takahama
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Patent number: 9518232Abstract: A hydroisomerization catalyst of the present invention is obtained by calcining a catalyst composition containing an ion-exchanged molecular sieve or a calcined product thereof, and at least one metal selected from the group consisting of metals of Groups 8 to 10 in Periodic Table of the elements, molybdenum and tungsten, carried on the ion-exchanged molecular sieve or the calcined product thereof, wherein the ion-exchanged molecular sieve is obtained by ion-exchanging a molecular sieve, which includes nanocrystals having a pore structure of ten-membered rings or eight-membered rings and having a ratio of the pore volume to the external surface area ([pore volume]/[external surface area]) of 2.0×10?4 mL/m2 to 8.0×10?4 mL/m2 and contains an organic template, in a solution containing a cationic species.Type: GrantFiled: February 4, 2009Date of Patent: December 13, 2016Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventor: Kazuaki Hayasaka
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Publication number: 20160296913Abstract: A method for producing a catalyst for a Fischer-Tropsch synthesis, comprising a reduction step of obtaining the catalyst for a Fischer-Tropsch synthesis through a reduction treatment of an unreduced catalyst, wherein the unreduced catalyst comprises a carrier obtained by calcining a carrier precursor containing silica and a zirconium compound, and cobalt oxide and/or ruthenium oxide carried on the carrier; the content of zirconium in the unreduced catalyst is 0.01 to 7% by mass in terms of zirconium oxide relative to the total mass of the unreduced catalyst; and in the reduction step, a reducing gas is brought into contact with the unreduced catalyst under the conditions of a GHSV of 200 h?1 or more and 1500 h?1 or less and a linear velocity of 20 mm/s or more to perform the reduction treatment of the unreduced catalyst.Type: ApplicationFiled: November 18, 2014Publication date: October 13, 2016Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Koshi TAKAHAMA, Yoshiyuki NAGAYASU, Kazuaki HAYASAKA
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Patent number: 9458387Abstract: A Fischer-Tropsch synthesis reaction catalyst includes a catalyst support containing a silica and zirconium oxide in an amount of 0.5 to 14% by mass based on the mass of the catalyst support, and cobalt metal and a cobalt oxide supported on the catalyst support in an amount equivalent to 10 to 40% by mass of tricobalt tetroxide based on the mass of the catalyst, wherein the degree of reduction of the cobalt atoms is within a range from 75 to 93%, and the amount of hydrogen gas adsorption per unit mass of the catalyst at 100° C. is within a range from 0.40 to 1.0 ml/g.Type: GrantFiled: March 14, 2012Date of Patent: October 4, 2016Assignees: Japan Oil, Gas and Metals National Corporation, INPEX CORPORATION, JX Nippon Oil & Energy Corporation, Japan Petroleum Exploration Co., Ltd., COSMO OIL CO., LTD., NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD.Inventors: Yoshiyuki Nagayasu, Hideki Ono, Kazuaki Hayasaka, Mayumi Yokoi
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Publication number: 20160144345Abstract: A process for producing a Fischer-Tropsch synthesis catalyst according to the present invention comprises a step of calcining a carrier precursor containing silica calcined at a temperature T1 and a zirconium compound at a temperature T2 to obtain a carrier; and a step of calcining a catalyst precursor containing the carrier and a cobalt compound and/or a ruthenium compound at a temperature T3, wherein the content of the zirconium compound in the carrier precursor is 0.01 to 7% by mass in terms of zirconium oxide based on the total mass of the catalyst, and T1, T2, and T3 satisfy conditions represented by expressions (1) to (3): T1?T3??(1) 250° C.?T2?450° C.??(2) 250° C.?T3?450° C.??(3).Type: ApplicationFiled: September 12, 2013Publication date: May 26, 2016Inventors: Yoshiyuki NAGAYASU, Kazuaki HAYASAKA, Eri KOSAKA, Koshi TAKAHAMA