Patents Assigned to JGC Catalysts & Chemicals Ltd.
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Patent number: 10081009Abstract: The present invention relates to a hydrocracking catalyst for hydrocarbon oil comprising a support containing a framework-substituted zeolite-1 in which zirconium atoms and/or hafnium atoms form a part of a framework of an ultrastable y-type zeolite and a hydrogenative metal component carried thereon and a method for producing the same. The hydrocracking catalyst of the present invention makes it easy to diffuse heavy hydrocarbon oils such as VGO, DAO and the like into mesopores, is improved in a cracking activity and makes it possible to obtain a middle distillate at a high yield as compared with catalysts prepared by using zeolite comprising titanium and/or zirconium carried thereon.Type: GrantFiled: November 3, 2015Date of Patent: September 25, 2018Assignees: Saudi Arabian Oil Company, JGC Catalyst and Chemical Ltd., Japan Cooperation Center PetroleumInventors: Omer Refa Koseoglu, Adnan Al-Hajji, Ali Mahmoud Al-Somali, Ali H. Al-Abdul'al, Mishaal Al-Thukair, Masaru Ushio, Ryuzo Kuroda, Takashi Kameoka, Koji Nakano, Yuichi Takamori
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Patent number: 10040943Abstract: Hollow silica-based particles having cavities inside the outer shell having a low refractive index. The method of producing the silica-based particles comprises the following steps (a) and (b): (a) a step in which, when an aqueous silicate solution and/or an acidic silicic acid solution and an aqueous solution of an alkali-soluble inorganic compound are simultaneously added in an alkali aqueous solution to prepare a dispersion liquid of composite oxide particles, an electrolytic salt is added at the molar ratio of a mole number of the electrolytic salt (ME) versus that of SiO2 (MS) [(ME)/(MS)] in the range from 0.1 to 10, and (b) a step of furthermore adding an electrolytic salt, if necessary, to the dispersion liquid of composite oxide particles and then removing at least a portion of elements constituting the composite oxide other than silicon by adding an acid to prepare a dispersion liquid of silica-based particles.Type: GrantFiled: July 8, 2004Date of Patent: August 7, 2018Assignee: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Ryo Muraguchi, Mitsuaki Kumazawa, Toshiharu Hirai, Masafumi Hirai
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Publication number: 20180179076Abstract: Producing a silica particle by inhibiting the generation of incompletely reacted materials such as oligomers which have not been grown to the silica particles having the intended particle size. A dispersion liquid of a silica particle is produced by simultaneously adding, to a liquid substantially consisting of an organic solvent, a liquid containing silane alkoxide and a liquid containing an alkali catalyst and water to cause hydrolysis and polycondensations to produce a silica particle. The variation rate of the mole ratio of the alkali catalyst to silane alkoxide in the reaction system for a period from the start to the end of the reaction relative to the initial mole ratio is 0.90 to 1.10; and the variation rate of the mole ratio of water to silane alkoxide for a period from the start to the end of the reaction relative to the initial mole ratio is 0.90 to 1.10.Type: ApplicationFiled: December 27, 2017Publication date: June 28, 2018Applicant: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Miki EGAMI, Mitsuaki KUMAZAWA, Hirotada ARAKANE, Ryo MURAGUCHI, Toshiharu HIRAI
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Publication number: 20180155591Abstract: Provided is a silica-based polishing particle, particularly suitable for primary polishing, which provides a high polishing rate on the surface of a substrate and which prevents particle residues on the substrate after polishing, and an abrasive including the silica-based polishing particle. A silica-based polishing particle with a three-dimensional polycondensation structure containing an alkoxy group, wherein the particle has an average particle diameter (d) of 5 to 300 nm, an aspect ratio of more than 1.20 and 5.00 or less, and a carbon content of 0.005% by mass or more and less than 0.50% by mass.Type: ApplicationFiled: December 1, 2017Publication date: June 7, 2018Applicant: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Mitsuaki KUMAZAWA, Miki EGAMI, Hirotada ARAKANE, Ryo MURAGUCHI, Toshiharu HIRAI
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Publication number: 20180127627Abstract: Provided is a silica-based polishing particle which can polish and flatten the surface of a substrate at a sufficient polishing rate with generation of scratches prevented, and successfully prevents generation of particle residues on a substrate after polishing. A silica-based polishing particle with a three-dimensional polycondensation structure containing an alkoxy group, wherein the particle has an average particle diameter (d) of 5 to 300 nm, an aspect ratio of 1.00 or more and 1.20 or less, and a carbon content of 0.005% by mass or more and less than 0.50% by mass.Type: ApplicationFiled: November 6, 2017Publication date: May 10, 2018Applicant: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Mitsuaki KUMAZAWA, Miki EGAMI, Hirotada ARAKANE, Ryo MURAGUCHI, Toshiharu HIRAI
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Patent number: 9889072Abstract: A porous silica particle with the small specific surface area and large pore volume, which is contained as the scrubbing agent in the cleansing cosmetics is provided. The porous silica particle has high collapsibility, and therefore the damage of the skin can be prevented. A porous silica particle according to the present invention has: an average circularity of 0.1 to 0.5; a pore volume of 0.1?Pv<1.0 ml/g; a specific surface area of 5 to 60 m2/cm3; a median size of 100 to 1000 ?m; a ratio of a maximum particle diameter to the median size, of 3.0 or less; and a median size of 5 to 40 ?m and a maximum particle diameter of 15 to 200 ?m, after rubbing for 30 seconds with a load of 1.0 to 1.4 KPa.Type: GrantFiled: October 2, 2015Date of Patent: February 13, 2018Assignee: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Satoshi Watanabe, Naoyuki Enomoto, Yasutaka Miyoshi
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Publication number: 20180034052Abstract: A cathode active material for a non-aqueous electrolyte secondary battery satisfies conditions (1) to (5): (1) the cathode active material contains Li, Mn, and Ni and has a spinel structure; (2) a molar ratio of Ni to Mn is in a range from 0.10 to 0.43; (3) a molar ratio of Li to Mn is in a range from 0.70 to 1.80; (4) the cathode active material has a peak in a range of 2?=19.7 to 22.5° in an X-ray diffraction pattern; and (5) the cathode active material has at least one peak in a voltage range of voltage V1 and at least two peaks in a voltage range of voltage V2 in an initial dQ/dV curve of a discharge measured when a half cell is prepared using the cathode active material, V1=2.72 to 2.90 [V] V2=4.50 to 4.80 [V].Type: ApplicationFiled: March 4, 2016Publication date: February 1, 2018Applicant: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Yasuhiro SUZUKA, Mariko HASHIMOTO, Takahiro YASHIMA
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Patent number: 9856407Abstract: A water-repellent transparent coating-substrate assembly includes a substrate and a water-repellent transparent coating disposed on a surface of the substrate, the transparent coating including an inorganic oxide fine particle layer containing inorganic oxide fine particles, and an overcoating layer disposed on the inorganic oxide fine particle layer, the surface of the water-repellent transparent coating having irregularities including depressions and protrusions in which the protrusions have an average height (TF) in the range of 30 to 500 nm and an average protrusion interval (pitch width) (WF) in the range of 50 to 1000 nm, the water-repellent transparent coating having a water contact angle in the range of 130 to 180°.Type: GrantFiled: December 24, 2013Date of Patent: January 2, 2018Assignee: JGC Catalysts and Chemicals Ltd.Inventors: Yuhko Hakoshima, Masayuki Matsuda, Ryo Muraguchi, Kazutaka Egami, Tsuguo Koyanagi, Mitsuaki Kumazawa, Satoshi Yoshida, Yuji Tawarasako
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Patent number: 9855195Abstract: The present invention provides a dental curable composition used for dental filling restorative materials, dental crown prosthesis materials such as inlays, crowns, and bridges, materials for constructing anchor teeth, block materials for dental CAD/CAM, etc. More specifically, the present invention provides a dental curable composition comprising a curable resin (A), a porous inorganic filler (B), and a polymerization initiator (C), wherein the porous inorganic filler (B) comprises a silicon dioxide, and an oxide comprising at least one kind of the other metallic elements, and a ratio (I1/I2) of a maximum absorbance (I1) of 3730 to 3750 cm?1 to a maximum absorbance (I2) of 3000 to 3600 cm?1 in infrared absorption spectrum of the porous inorganic filler (B), is not less than 1 and not more than 3.Type: GrantFiled: September 16, 2016Date of Patent: January 2, 2018Assignees: KABUSHIKI KAISHA SHOFU, JGC CATALYSTS AND CHEMICALS LTD.Inventors: Shuhei Takahashi, Hidefumi Fujimura, Jun Uchida, Mitsuji Teramae, Kunio Hori, Naoyuki Enomoto
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Patent number: 9834663Abstract: A composition for forming a transparent coating film including hollow silica microparticles and a binder is provided. The hollow silica microparticles have an average particle diameter of 5 to 300 nm when measured by the dynamic light scattering method, a specific surface area of 50 to 1500 m2/g, and an outer shell in which cavities are formed. The microparticles lose weight by 1.0 W % or more at a temperature in the range of from 200° C. to 500° C. when measured by the thermogravimetry (TG). A surface charge (QA) of the hollow silica microparticles contained in the compositions for forming a transparent coating film is in the range from 5 to 20 ?eq/g.Type: GrantFiled: April 28, 2015Date of Patent: December 5, 2017Assignee: JGC Catalysts and Chemicals Ltd.Inventors: Ryota Sueyoshi, Ryo Muraguchi, Masayuki Matsuda, Mitsuaki Kumazawa, Toshiharu Hirai
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Patent number: 9834450Abstract: A dispersion liquid contains fine particles of core-shell type inorganic oxide that have high dispersion stability and transparency and allow for excellent light resistance and weather resistance by being mixed in a coating film. The fine particles are produced by treating the surfaces of (a) fine particles of titanium-containing metal oxide serving as core particles with a hydrate and/or an oxide of a metal element such as zirconium to provide surface-treated particles or fine particles of titanium-containing metal oxide having (b) an intermediate layer and by covering the surfaces of the surface-treated particles to form (c) a shell layer with a composite oxide of silicon and at least one metal element selected from aluminum, zirconium, and antimony.Type: GrantFiled: September 8, 2011Date of Patent: December 5, 2017Assignee: JGC Catalysts and Chemicals Ltd.Inventors: Yoichi Ishihara, Toshiharu Hirai
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Patent number: 9808407Abstract: An object of the present invention is to provide a porous silica particle with the small specific surface area and the large pore volume, a method for producing the same, and a cosmetic containing the porous silica particle with such characteristics as the texture improver. The porous silica particle according to the present invention has a structure sparsely packed with silica microparticles. The mean particle diameter is 0.5 to 25 ?m, the specific surface area measured by the BET method is 5 to 60 m2/cm3, and the pore volume is 0.35 to 2.0 ml/g. In the pore size distribution of the porous silica particles (X axis: pore diameter, Y axis: value obtained by differentiating the pore volume by the pore diameter), the most frequent pore diameter (Dm) satisfies 100<Dm<4000 [nm].Type: GrantFiled: June 30, 2015Date of Patent: November 7, 2017Assignee: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Naoyuki Enomoto, Satoshi Watanabe, Yasutaka Miyoshi
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Publication number: 20170312196Abstract: A porous silica particle optimized as the scrubbing agent is used for a cleansing cosmetic. The porous silica particle has an average circularity of 0.1 to 0.5, a pore volume of 1.0 to 2.0 ml/g, a mode diameter of 50 to 600 ?m, and a ratio of the maximum particle diameter to the mode diameter of 3.0 or less. The porous silica particle moreover has a median size of 0.5 to 25 ?m and the maximum particle diameter of 1 to 100 ?m, after rubbing with a load of 1.0 to 1.4 KPa for 30 seconds. With the cleansing cosmetic containing this particle, the skin is rubbed by the frictional force generated by the friction with the skin at the rubbing. Therefore, the mild peeling effect for the stratum corneum is obtained and the damage of the skin and the micro damage on the stratum corneum can be prevented.Type: ApplicationFiled: November 5, 2015Publication date: November 2, 2017Applicant: JGC Catalysts and Chemicals Ltd.Inventors: Satoshi WATANABE, Naoyuki ENOMOTO, Yasutaka MIYOSHI, Michio KOMATSU
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Patent number: 9803148Abstract: In a hydrocracking process, the product from the first stage reactor passes through a steam stripper to remove hydrogen, H2S, NH3, light gases (C1-C4), naphtha and diesel products. The stripper bottoms are separated from hydrogen, H2S, NH3, light gases (C1-C4), naphtha, and diesel products and treated in a second stage reactor. The effluent stream from the second stage reactor, along with the stream of separated hydrogen, H2S, NH3, light gases (C1-C4), naphtha, and diesel products, are passed to a separation stage for separating petroleum fractions. Preferably, the effluent stream from the first stage reactor is passed through a steam generator prior to the steam stripping step. In an alternate embodiment, the effluent stream from the first stage reactor is passed through a vapor/liquid separator stripper vessel prior to the steam stripping step.Type: GrantFiled: July 27, 2012Date of Patent: October 31, 2017Assignees: Saudi Arabian Oil Company, Japan Cooperation Center, Petroleum, JGC Catalysts and Chemicals Ltd.Inventors: Omer Refa Koseoglu, Ali H. Al-Abdul'al, Masaru Ushio, Koji Nakano
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Publication number: 20170304161Abstract: A porous silica particle with the small specific surface area and large pore volume, which is contained as the scrubbing agent in the cleansing cosmetics is provided. The porous silica particle has high collapsibility, and therefore the damage of the skin can be prevented. A porous silica particle according to the present invention has: an average circularity of 0.1 to 0.5; a pore volume of 0.1?Pv<1.0 ml/g; a specific surface area of 5 to 60 m2/cm3; a median size of 100 to 1000 ?m; a ratio of a maximum particle diameter to the median size, of 3.0 or less; and a median size of 5 to 40 ?m and a maximum particle diameter of 15 to 200 ?m, after rubbing for 30 seconds with a load of 1.0 to 1.4 KPa.Type: ApplicationFiled: October 2, 2015Publication date: October 26, 2017Applicant: JGC Catalysts and Chemicals Ltd.Inventors: Satoshi WATANABE, Naoyuki ENOMOTO, Yasutaka MIYOSHI
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Patent number: 9731281Abstract: A catalyst for hydrocarbon catalytic cracking of the invention contains: a catalyst (a) containing faujasite-type zeolite (A) having a unit cell size in a range of 2.435 nm to 2.455 nm, a matrix component, and rare earths; and a catalyst (b) containing faujasite-type zeolite (B) having a unit cell size in a range of 2.445 nm to 2.462 nm, a matrix component, phosphorus, and magnesium.Type: GrantFiled: July 12, 2013Date of Patent: August 15, 2017Assignee: JGC CATALYSTS AND CHEMICALS LTD.Inventors: Shigenori Hayashi, Seiji Arakawa, Shingo Sakai
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Patent number: 9683108Abstract: There is provided an antireflective laminate having a low refractive index and excellent mechanical strength, which comprises a coating layer of an ionizing radiation curing-type resin composition comprising ionizing radiation curing group-containing hollow silica fine particles. The antireflective laminate comprises a light transparent base material and at least a low refractive index layer having a refractive index of not more than 1.45 provided on the light transparent base material, wherein the low refractive index layer comprises an ionizing radiation curing-type resin composition and silica fine particles having an outer shell layer with the interior of the silica fine particles being porous or void, and, for a part or all of the silica fine particles, at least a part of the surface of the silica fine particle has been treated with an ionizing radiation curing group-containing silane coupling agent.Type: GrantFiled: September 28, 2015Date of Patent: June 20, 2017Assignees: Dai Nippon Printing Co., Ltd., JGC Catalysts and Chemicals Ltd.Inventors: Utako Mizuno, Midori Nakajo, Seiji Shinohara, Toshio Yoshihara, Hiroyasu Nishida, Ryo Muraguchi, Masafumi Hirai
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Publication number: 20170135920Abstract: An object of the present invention is to provide a porous silica particle with the small specific surface area and the large pore volume, a method for producing the same, and a cosmetic containing the porous silica particle with such characteristics as the texture improver. The porous silica particle according to the present invention has a structure sparsely packed with silica microparticles. The mean particle diameter is 0.5 to 25 ?m, the specific surface area measured by the BET method is 5 to 60 m2/cm3, and the pore volume is 0.35 to 2.0 ml/g. In the pore size distribution of the porous silica particles (X axis: pore diameter, Y axis: value obtained by differentiating the pore volume by the pore diameter), the most frequent pore diameter (Dm) satisfies 100<Dm<4000 [nm].Type: ApplicationFiled: June 30, 2015Publication date: May 18, 2017Applicant: JGC Catalysts and Chemicals Ltd.Inventors: Naoyuki ENOMOTO, Satoshi WATANABE, Yasutaka MIYOSHI
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Publication number: 20170079890Abstract: The present invention provides a dental curable composition used for dental filling restorative materials, dental crown prosthesis materials such as inlays, crowns, and bridges, materials for constructing anchor teeth, block materials for dental CAD/CAM, etc. More specifically, the present invention provides a dental curable composition comprising a curable resin (A), a porous inorganic filler (B), and a polymerization initiator (C), wherein the porous inorganic filler (B) comprises a silicon dioxide, and an oxide comprising at least one kind of the other metallic elements, and a ratio (I1/I2) of a maximum absorbance (I1) of 3730 to 3750 cm?1 to a maximum absorbance (I2) of 3000 to 3600 cm?1 in infrared absorption spectrum of the porous inorganic filler (B), is not less than 2 and not more than 3.Type: ApplicationFiled: September 16, 2016Publication date: March 23, 2017Applicants: KABUSHIKI KAISHA SHOFU, JGC CATALYSTS AND CHEMICALS LTD.Inventors: Shuhei TAKAHASHI, Hidefumi FUJIMURA, Jun UCHIDA, Mitsuji TERAMAE, Kunio HORI, Naoyuki ENOMOTO
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Patent number: 9598611Abstract: A method for producing a high purity silica sol is provided. This method has enabled use of water glass for the starting material, and the resulting silica sol has a reduced metal impurity Cu and Ni content compared to conventional methods. The method comprises (1) ultrafiltration of an aqueous solution of an alkali silicate; (2) ion exchange process for removal of at least a part of cationic components in the purified aqueous solution of an alkali silicate; (3) another ion exchange process using a chelating ion exchange resin to obtain high purity silicate solution; and (4) adjustment of a part of the high purity silicate solution (seed solution) to alkaline pH and mixing of this solution with another part of the solution (feed solution) to produce a high purity silica sol having a Cu concentration and a Ni concentration (in relation to the dry silica) of up to 50 ppb.Type: GrantFiled: December 27, 2012Date of Patent: March 21, 2017Assignee: JGC Catalysts and Chemicals Ltd.Inventors: Kazuhiro Nakayama, Akira Nakashima, Michio Komatsu