Inorganic Silicon-containing Material Having Specified Dimensions Patents (Class 524/493)
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Patent number: 12104039Abstract: The present invention relates to a hydrous silica for rubber reinforcing fillers having CTAB specific surface area in the range of 220 to 350 m2/g and a pore volume over the range of pore radius 1.9 to 100 nm measured by mercury press-in method in the range of 1.7 to 2.0 cm3/g, wherein a volume average particle diameter D50 in a volume particle size distribution measured by laser diffraction method for the slurry obtained by dispersing 50 ml of a hydrous silica slurry adjusted to 4 mass % with an ultrasonic homogenizer at an output of 140 W for 10 minutes is in the range of 5.0 to 12.0 ?m, and a cumulative value of hydrous silica particles over the range of 4.0 to 35.0 ?m in the volume particle size distribution is 80% or more. The present invention also relates to a rubber composition containing the above-mentioned hydrous silica and a rubber component containing a natural rubber.Type: GrantFiled: February 3, 2021Date of Patent: October 1, 2024Assignee: TOSOH SILICA CORPORATIONInventors: Masakazu Dojo, Yuta Imabeppu
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Patent number: 12077444Abstract: A precipitated silica for use in tire applications. In particular, a precipitated silica characterised by a CTAB surface area SCTAB greater than 140 m2/g; a width of the aggregate size distribution Ld, measured by centrifugal sedimentation, of at least 1.2; a pH of less than 5.5; and a carbon content of less than 1500 ppm.Type: GrantFiled: July 12, 2019Date of Patent: September 3, 2024Assignee: RHODIA OPERATIONSInventors: Frédéric Colbeau-Justin, Cédric Boivin, Cyril Chomette, Thomas Chaussee, Laurent Guy
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Patent number: 11987724Abstract: Nanocomposite blends include metal oxide nanoparticles and at least two (meth)acrylic acid polymers where the nanoparticles are surface modified with a carboxylic acid silane and where the (meth)acrylic acid polymers are at least partially neutralized. The compositions are transparent, with high transmission and low haze up to very high nanoparticle loading. The compositions also exhibit improved mechanical properties of impact resistance and tensile modulus.Type: GrantFiled: July 29, 2019Date of Patent: May 21, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Peter D. Condo, D. Scott Thompson
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Patent number: 11970607Abstract: To provide a polyacetal resin composition and a molded article thereof, which are less likely to crack even if stressed in contact with any hydrochloric acid-containing liquid. The polyacetal resin composition contains, per 100 parts by mass of a polyacetal resin: 0.01 to 10 parts by mass of at least one fatty acid metal salt selected from 1) to 3) below; and 0.1 to 5 parts by mass of a stress relaxant having a melting point of 67.5° C. to 200° C. when measured by using a differential scanning calorimeter at a flow rate of nitrogen of 20 cm3/min and at a heating rate of 10° C./min. 1) metal salt formed of long chain fatty acid having 10 to 34 carbon atoms and calcium; 2) metal salt formed of long chain fatty acid having 10 to 34 carbon atoms and zinc; and, 3) metal salt formed of long chain fatty acid having 10 to 34 carbon atoms and magnesium.Type: GrantFiled: July 9, 2019Date of Patent: April 30, 2024Assignee: GLOBAL POLYACETAL CO., LTD.Inventors: Takashi Ishii, Tsuyoshi Isozaki
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Patent number: 11903440Abstract: Multi-layered structures and methods for producing them are disclosed.Type: GrantFiled: June 29, 2022Date of Patent: February 20, 2024Assignee: NIKE, INC.Inventors: Diya Bandyopadhyay, Yihua Chang, Christopher J. Dimitriou, Fred Lamar, Richard L Watkins, John R. Wright
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Patent number: 11708475Abstract: Provided is a method for preparing a modified filler. The method includes in sequence providing an acidified aqueous slurry of an untreated inorganic filler which has not been previously dried; an emulsifier material; and a hydrophobating agent having the following structural formula (I): Ra?M-X(4?a)??(I) wherein: R is C6 to C22 alkyl, M is silicon, titanium or zirconium, X is OR? or halogen, R? is C1 to C4 alkyl, and a is 1; washing and/or filtering the acidified aqueous slurry to obtain a modified filler; and, optionally, drying the modified filler. Polymeric compositions and articles also are provided.Type: GrantFiled: December 15, 2020Date of Patent: July 25, 2023Assignee: PPG Industries Ohio, Inc.Inventors: Lucas Dos Santos Freire, Sik Boen, Nathan J. Silvernail
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Patent number: 11702520Abstract: The present invention relates to an epoxy resin composition for molding a semiconductor having excellent heat resistance and mechanical properties and also having improved visibility while having a low coefficient of thermal expansion and thus exhibiting improved warpage characteristics, and a molding film and a semiconductor package using such an epoxy resin composition for molding a semiconductor.Type: GrantFiled: January 9, 2019Date of Patent: July 18, 2023Assignee: LG CHEM, LTD.Inventors: Minsu Jeong, You Jin Kyung, Byung Ju Choi, Woo Jae Jeong, Kwang Joo Lee, Eunbyurl Cho
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Patent number: 11634566Abstract: The present invention discloses a rubber composition, production method thereof and a rubber product using the same. The rubber composition includes a rubber matrix and essential components. Based on 100 parts by weight of the rubber matrix, the rubber matrix includes a branched polyethylene with a content represented as A, in which 0<A?100, and an EPM and an EPDM with a total content represented as B, in which 0?B<100; and the essential components include 1.5 to 10 parts of a crosslinking agent and 40 to 200 parts of a reinforcing filler. The reinforcing filler includes carbon black and silica and can also include any one or more of calcium carbonate, talcum powder, calcined clay, magnesium silicate, and magnesium carbonate, wherein the content of the carbon black is 5 to 100 parts, and the content of the silica is 5 to 60 parts. The rubber composition is used for producing rubber product with better yield and tear strength and service performance.Type: GrantFiled: January 12, 2018Date of Patent: April 25, 2023Assignee: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
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Patent number: 11597822Abstract: The present invention provides a rubber composition for tires which provides improved abrasion resistance, and a pneumatic tire containing the rubber composition. The present invention relates to a rubber composition for tires containing a rubber component including at least 80% by mass in total of at least one of an isoprene-based rubber, a polybutadiene rubber, or a styrene-butadiene rubber, the rubber composition containing, per 100 parts by mass of the rubber component, 3 to 250 parts by mass of a reinforcing filler and 0.2 to 10 parts by mass of a specific tetrazine compound.Type: GrantFiled: April 13, 2018Date of Patent: March 7, 2023Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Takehiro Kitaura, Subaru Toya, Hayato Yoshiyasu, Hiroaki Yamada
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Patent number: 11578232Abstract: The present invention addresses the problem of providing a super-liquid-repellent coating film that has improved abrasion resistance. Provided as a means for solving the problem is a coating film that has a fluorine atom content of 1 to 60 wt %, the coating film having a surface that has an average surface roughness Ra of 0.5 to 20, a surface area ratio of 1.7 to 5, a contact angle with water of 150° or more, a contact angle with n-hexadecane of 80° or more, and a surface that has a contact angle with water of 150° or more after being rubbed 100 times with a PET film under a load of 100 g.Type: GrantFiled: April 13, 2017Date of Patent: February 14, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Hiroki Yamaguchi, Kakeru Hanabusa, Kensuke Mohara, Masamichi Morita
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Patent number: 11498841Abstract: An economic process for producing high quality finely divided silicon dioxide from mixtures comprising economical silicon compounds without operational disturbances is characterized by using as an Si source mixture of at least two silicon compounds, at least one being carbon-containing and at least one being carbon-free, supplying a fuel gas and an oxygen-containing source, the molar C/Si ratio of this mixture being between 10/BET and 35/BET, and the molar H/Cl ratio of this mixture being between 0.45+(BET/600) and 0.95+(BET/600), with BET being the specific surface area of the pyrogenic silicon dioxide under production, introducing this mixture as the main flow into a reaction space and igniting and reacting it, and isolating the resulting solid.Type: GrantFiled: July 13, 2017Date of Patent: November 15, 2022Assignee: WACKER CHEMIE AGInventor: Mikhail Sofin
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Patent number: 11485836Abstract: Described herein are component compositions comprising a blend of a polymer resin together with silica glass beads. In certain embodiments, the components demonstrate improved abrasion resistance as do the industrial fabrics produced that comprise at least one component of the instant disclosure.Type: GrantFiled: August 11, 2020Date of Patent: November 1, 2022Assignee: Albany International Corp.Inventors: Dhruv Agarwal, Louis Jay Jandris
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Patent number: 11459702Abstract: Provided are a method for manufacturing paper with which it is possible to easily manufacture paper wherein water-filterability and yield are excellent and hydrophilia is suppressed without using a cationic polymer or silica, a device for manufacturing an additive for manufacturing paper, and a device for manufacturing paper. The method for manufacturing paper is a method having a reactant generating step for generating a reactant by subjecting an acrylamide polymer to a Hoffman elimination reaction, and a supply step for supplying the reactant to a paper machine within 24 hours of the start of the Hoffman elimination reaction. The acrylamide polymer preferably includes an acrylamide polymer having a intrinsic viscosity of 12.5-28 dl/g and anionization of 0.3 meq/g or less.Type: GrantFiled: March 14, 2017Date of Patent: October 4, 2022Assignee: KURITA WATER INDUSTRIES LTD.Inventor: Jiayi Chen
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Patent number: 11396590Abstract: The present invention provides a pneumatic tire achieving a balanced improvement in fuel economy, abrasion resistance, and wet grip performance. The present invention relates to a pneumatic tire, including a tread containing a tread rubber composition, the tread rubber composition containing a rubber component including 30% by mass or more of a styrene-butadiene rubber, the tread rubber composition containing, per 100 parts by mass of the rubber component: 80 to 150 parts by mass of silica; 0.1 to 3.0 parts by mass of a tetrazine compound of formula (1); and 50 parts by mass or less of a hydrocarbon resin having a SP value of 7.5 to 10.5, the styrene-butadiene rubber having a styrene content of 23% by mass or higher.Type: GrantFiled: April 13, 2018Date of Patent: July 26, 2022Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Hayato Yoshiyasu
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Patent number: 11377564Abstract: Granular and/or shaped hydrophobic silica useful for thermal insulation materials are prepared by mixing hydrophilic silica with a hydrophobicizing agent at low temperature so the hydrophobicizing agent does not appreciably react, followed by deaeration and compaction.Type: GrantFiled: February 27, 2017Date of Patent: July 5, 2022Assignee: WACKER CHEMIE AGInventors: Konrad Hindelang, Dominik Jantke, Richard Weidner
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Patent number: 11370899Abstract: The present invention provides a rubber composition for tires which provides a balanced improvement in ice performance, fuel economy, and abrasion resistance, and a pneumatic tire containing the rubber composition. The present invention relates to a rubber composition for tires containing a rubber component including at least 80% by mass in total of at least one of an isoprene-based rubber, a polybutadiene rubber, or a styrene-butadiene rubber, the rubber composition containing, per 100 parts by mass of the rubber component, 10 to 120 parts by mass of silica, 0.2 to 10 parts by mass of a tetrazine compound of formula (1), and 1 to 50 parts by mass of a low-molecular-weight diene polymer having a weight average molecular weight of 200,000 or less.Type: GrantFiled: April 13, 2018Date of Patent: June 28, 2022Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Hayato Yoshiyasu
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Patent number: 11349120Abstract: A silicon based micro-structured material and methods are shown. In one example, the silicon based micro-structured material includes a carbon coating. In one example, the silicon based micro-structured material is used as an electrode in a battery, such as a lithium ion battery.Type: GrantFiled: February 17, 2018Date of Patent: May 31, 2022Assignee: THE REGENTS OF TEE UNIVERSITY OF CALIFORNIAInventors: Cengiz S. Ozkan, Mihrimah Ozkan, Wei Wang
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Patent number: 11279623Abstract: The present invention pertains to a hydrous silica for rubber-reinforcing filler, having a BET specific surface area ranging from 230 to 350 m2/g; the volume average particle diameter (D50) measured by the laser diffraction method after dispersing 50 ml of a hydrous silica slurry adjusted to 4% by weight with an ultrasonic homogenizer having an output of 140 W for 10 minutes is 3.0 ?m or less; and the top 10% of particles (D90) in the particle size distribution is 10.0 ?m or less. This invention provides a hydrous silica capable of further improving reinforcing properties of a rubber, particularly the wear resistance by improving dispersibility of the hydrous silica in the rubber in addition to rubber reinforcing properties obtained by a high BET specific surface area.Type: GrantFiled: June 21, 2019Date of Patent: March 22, 2022Inventors: Yuta Imabeppu, Hideo Kanemitsu
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Patent number: 11226518Abstract: A display panel, a sealant coating device and a method for sealant coating are provided. The display panel includes a display area and a peripheral area and further includes oleophobic sealant provided in the peripheral area on a side near the display area and hydrophobic sealant provided in the peripheral area on a side away from the display area and surrounding the oleophobic sealant.Type: GrantFiled: February 27, 2018Date of Patent: January 18, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Detao Zhao, Yangheng Li, Gang Yu, Bin Li
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Patent number: 11208331Abstract: The present invention pertains to a hydrous silica for rubber-reinforcing filler, having a BET specific surface area ranging from 230 to 350 m2/g, and satisfies the following: a) the pore volume of 1.9 nm to 100 nm pore radius measured by the mercury press-in method (VHP-Hg) ranges from 1.40 to 2.00 cm3/g; b) total pore volume in the range of 1.6 nm to 100 nm pore radius by the nitrogen adsorption/desorption method (VN2) ranges from 1.60 to 2.20 cm3/g; and c) the pore volume ratio of (a) and (b) VHP-Hg/VN2 ranges from 0.70 to 0.95. This invention provides a hydrous silica capable of further improving reinforcing properties of a rubber, particularly the wear resistance by improving dispersibility of the hydrous silica in the rubber in addition to rubber reinforcing properties obtained by a high BET specific surface area.Type: GrantFiled: June 21, 2019Date of Patent: December 28, 2021Inventors: Yuta Imabeppu, Hideo Kanemitsu
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Patent number: 11054066Abstract: The present invention provides a hose excellent in mechanical properties at high temperatures. The hose of the present invention comprises a cross-linked fluororubber layer obtainable by cross-linking a fluororubber composition containing a fluororubber (A) and a carbon black (B). The cross-linked fluororubber layer has a loss modulus E? of 400 kPa or higher and 6,000 kPa or lower determined by a dynamic viscoelasticity test (measurement temperature: 160° C., tensile strain: 1%, initial force: 157 cN, frequency: 10 Hz).Type: GrantFiled: August 25, 2011Date of Patent: July 6, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Junpei Terada, Daisuke Ota, Masanori Kitaichi, Yutaka Ueta, Shigeru Morita, Kazuyoshi Kawasaki, Tatsuya Morikawa, Satoshi Kawai, Shoji Fukuoka
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Patent number: 11046852Abstract: A resin molded product contains a resin and hollow particles each having a shell layer containing a silsesquioxane represented by the following formula (RSiO1.5)n wherein R represents an alkyl group having 1 or more and 3 or less carbon atoms, a phenyl group, or a vinyl group, and n is an integer of 7 or more and 150 or less.Type: GrantFiled: September 3, 2019Date of Patent: June 29, 2021Assignee: FUJIFILM Business Innovation Corp.Inventors: Tatsuki Sano, Shunsuke Nozaki, Soichiro Kitagawa
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Patent number: 10919341Abstract: A rubber composition contains a diene rubber and a reinforcing filler, and the diene rubber contains a styrene-butadiene copolymer component including at least one type of styrene-butadiene copolymer and satisfying the following: (1) the bonded styrene content is from 5 to 50 wt. %; (2) among components obtained by ozone decomposition, a content of a decomposed component V1 containing one 1,2-bonded butadiene-derived unit out of a total of 100 mol % of decomposed components containing styrene-derived units and/or 1,2-bonded butadiene-derived units is less than 20 mol %; (3) among components obtained by ozone decomposition, a content of a decomposed component S2V1 containing two styrene-derived units and one 1,2-bonded butadiene-derived unit out of a total of 100 mol % of decomposed components containing styrene-derived units and/or 1,2-bonded butadiene-derived units is less than 4 mol %; and (4) a vinyl content of a butadiene moiety is not less than 20% and less than 50%.Type: GrantFiled: April 28, 2017Date of Patent: February 16, 2021Inventors: Yuko Sekine, Makoto Ashiura, Fumito Yatsuyanagi
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Patent number: 10889147Abstract: A rubber composition is based on at least one diene elastomer, a reinforcing filler, a crosslinking system and a hydrocarbon-based resin. The hydrocarbon-based resin has a number-average molecular weight (Mn) of between 700 and 1000 g/mol, an average molecular weight Mz of greater than 6000 g/mol and a polydispersity index (PI) of greater than 2.4.Type: GrantFiled: December 18, 2015Date of Patent: January 12, 2021Assignee: Compagnie Generale Des Etablissements MichelinInventors: Julien Chatard, Benoit De Gaudemaris, Alain Hut, Fabien Hellot, Francois Dimier
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Patent number: 10858502Abstract: A wax-polymer compound includes (a) a polymer component that is a polymerized unsaturated monomer, optionally copolymerized with a vinyl-aromatic monomer, and (b) a halogenated hydrocarbon wax component. The polymer component is grafted to the halogenated hydrocarbon wax component, and the wax-polymer compound has a number average molecular weight of about 1,000 to about 100,000. A method of making the wax-polymer compound and a coated silica particle are also disclosed.Type: GrantFiled: December 3, 2018Date of Patent: December 8, 2020Assignee: Bridgestone CorporationInventors: Yaohong Chen, Xiao-Dong Pan, Dennis R. Brumbaugh, Edward D. Kelley
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Patent number: 10808823Abstract: A toothed pulley P is made with a thermoplastic resin and includes a pulley body with an outer circumference along which teeth are arranged at a constant pitch. The pulley body is made of a resin composition containing a copolymer of nylon 6T and nylon 11 and glass fibers with a flat cross section.Type: GrantFiled: April 8, 2020Date of Patent: October 20, 2020Assignee: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Motoyoshi Yoshikawa, Eiichiro Ikeda
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Patent number: 10780740Abstract: A tire comprises a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, characterized in that the tread comprises a composition based on at least a diene elastomer, at a content of between 35 and 99 phr (parts by weight per hundred parts of elastomer), a thermoplastic elastomer system, at a total content of between 1 and 65 phr, said thermoplastic elastomer system comprising at least two block copolymers, referred to as polystyrene and poly(butadiene/styrene) block copolymers, each comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type, and at least one thermoplastic block of styrene type, one of the two polystyrene and poly(butadiene/styrene) block copolymers being hydrogenated such that a proportion ranging from 95 to 100 mol % of the double bonds in the butadiene portion is hydrogenated, the latter being referred to as an essentially hydrogenateType: GrantFiled: June 7, 2016Date of Patent: September 22, 2020Assignee: Compagnie Generale Des Etablissements MichelinInventor: Christophe Chouvel
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Patent number: 10745583Abstract: An aqueous coating composition providing the resulting coatings with balanced flexibility and anti-tacky properties, and a method of preparing the aqueous coating composition.Type: GrantFiled: May 13, 2016Date of Patent: August 18, 2020Assignees: Dow global Technologies LLC, Rohm and Haas CompanyInventors: Fu Zhan, Caiyun Li, Yaobang Li, Jinyuan Zhang, Jiansheng Feng, Xiangting Dong, Qian Shen
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Patent number: 10731040Abstract: A method of forming a crosslinked polyphenol, the method comprising: reacting a bio-based phenolic compound comprising at least one phenolic hydroxyl group, with a crosslinking agent comprising at least two functional groups reactive with the phenolic hydroxyl group, wherein the at least two functional groups are each independently a halogen group, acid halide group, sulfonyl halide group, glycidyl group, anhydride group, or a combination comprising at least one of the foregoing, to provide the crosslinked polyphenol.Type: GrantFiled: July 12, 2017Date of Patent: August 4, 2020Assignees: THE UNIVERSITY OF MASSACHUSETTS, THE GOVERNMENT OF THE UNITED STATES, REPRESENTED BY THE SECRETARY OF THE ARMYInventors: Ramaswamy Nagarajan, Jayant Kumar, Ravi Mosurkal, Zhiyu Xia
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Patent number: 10688754Abstract: A contact clear, durable heat resistant single ply low cost packaging or labeling substrate having: (a) a clear heat resistant film selected from polyester films and cellulosic films having a top and a bottom surface and (b) a pressure sensitive adhesive layer on the bottom surface of the clear heat resistant polymer film that has a pressure sensitive adhesive and an amount of a solid filler which is effective to reduce oozing when the label substrate is passed through a high temperature printer.Type: GrantFiled: February 10, 2016Date of Patent: June 23, 2020Assignee: POLYMERIC CONVERTING LLCInventor: Peter J. Dronzek, Jr.
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Patent number: 10669421Abstract: Complex shaped bodies of silicone are produced by ballistic 3D DOD printing by employing a silicone resin-based composition curable by hydrosilylation, which exhibits a high shear thinning behavior and a rapid viscosity recovery rate alter removal of shear.Type: GrantFiled: January 10, 2017Date of Patent: June 2, 2020Assignee: WACKER CHEMIE AGInventors: Frank Achenbach, Ernst Selbertinger
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Patent number: 10654316Abstract: The pneumatic tire characterized by comprising the tread and the crosslinked rubber composition, of the present invention, wherein the tread and the crosslinked rubber composition comprise two or more kinds of rubber components and a filler and have a volume of the low density region of 35% or more, a volume of the void portion of 7.5 or less and a filler distribution D represented by the following formula (I) of 2.0 or less are excellent in abrasion resistance. D=(A1/B1)/(A0/B0)??(I) In the formula (I), A1 represents a volume fraction of a rubber component A in a filler gel, B1 represents a volume fraction of a rubber component B in a filler gel, A0 represents a volume fraction of a compounded rubber component A, B0 represents a volume fraction of a compounded rubber component B.Type: GrantFiled: October 21, 2016Date of Patent: May 19, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Ryo Mashita, Hiroyuki Kishimoto, Ryota Kitago
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Patent number: 10639932Abstract: The pneumatic tire of the present invention characterized by comprising: bead cores, a carcass ply, an inner liner disposed at an inner side than the carcass ply in a direction of a tire diameter, and a tread disposed at an outer side than the carcass ply in a direction of a tire diameter and having a volume of the low density region of 35% or more at elongation by an applied stress of 1.5 MPa, a volume of the void portion of 7.5% or less at elongation by an applied stress of 3.0 MPa and a filler dispersibility index ?G* shown by the following equation (I) of 3 or less and the crosslinked rubber composition having a volume of the low density region of 35% or more at elongation by an applied stress of 1.5 MPa, a volume of the void portion of 7.5 or less at elongation by an applied stress of 3.0 MPa and a filler dispersibility index ?G* shown by the following equation (I) of 3 or less are excellent in abrasion resistance.Type: GrantFiled: October 21, 2016Date of Patent: May 5, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Ryo Mashita, Hiroyuki Kishimoto, Ryota Kitago
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Patent number: 10472496Abstract: The flame-retardant adhesive composition contains a styrene-based elastomer containing a carboxyl group, an epoxy resin, and a phosphorus-containing oligomer including a structural unit represented by general formula (1), and the epoxy resin content is 1-20 parts by mass and the phosphorus-containing oligomer content is 10-50 parts by mass with respect to 100 parts by mass of the styrene-based elastomer containing carboxyl groups. (wherein, R1 and R2 are each independently a hydrogen atom or a methyl group, n is an integer of 1-20.Type: GrantFiled: September 8, 2014Date of Patent: November 12, 2019Assignee: TOAGOSEI CO., LTD.Inventors: Masaru Takashima, Yuya Okimura, Masashi Yamada
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Patent number: 10472503Abstract: The present technology provides a rubber composition containing a diene rubber including a styrene-butadiene copolymer component including at least one type of styrene-butadiene copolymer and a reinforcing filler. The bonded styrene content is from 5 to 50 wt. %. The total amount of styrene of an ozone decomposed component S1 including one styrene-derived unit and an ozone decomposed component S1V1 including one styrene-derived unit and one 1,2-bonded butadiene-derived unit is less than 80 wt. % of the amount of bonded styrene. The total amount of styrene of the decomposed component S1V1 is less than 10 wt. % of the amount of bonded styrene. The integrated intensity of an ozone decomposed component S1V2 including one styrene-derived unit and two 1,2-bonded butadiene-derived units is less than 15% of the integrated intensity of all decomposed components including styrene-derived units. The vinyl content of a butadiene portion is not less than 50%.Type: GrantFiled: June 10, 2016Date of Patent: November 12, 2019Assignee: The Yokohama Rubber Co., LTD.Inventors: Yuko Sekine, Makoto Ashiura, Ryosuke Sakai, Fumito Yatsuyanagi
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Patent number: 10457793Abstract: A tire comprises a rubber composition based on at least one diene elastomer, a reinforcing filler, a specific polyfunctional acrylate derivative and a peroxide, the contents of polyfunctional acrylate derivative and of peroxide being such that the ratio of the content of polyfunctional acrylate derivative to the content of peroxide is greater than or equal to 6.Type: GrantFiled: December 21, 2015Date of Patent: October 29, 2019Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventor: Delphine Nayrat
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Patent number: 10377884Abstract: Provided are a rubber composition for tires that shows a balanced improvement in fuel economy, abrasion resistance, wet performance, and handling stability, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires containing a modified diene rubber containing a functional group reactive with silica, a fine particle silica having a nitrogen adsorption specific surface area of 180 m2/g or more, and a silane coupling agent represented by a specific formula.Type: GrantFiled: February 15, 2016Date of Patent: August 13, 2019Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Yuka Yokoyama
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Patent number: 10308788Abstract: A rubber compound comprising at least one polymer base with cross-linkable unsaturated chain, a reinforcing filler, a vulcanization system and an interaction agent between the polymer base and the reinforcing filler consisting of a compound having an amine group and a sulphur atom adapted to react with the polymer base in the vulcanization step. The interaction agent has formula (II) or (III); wherein: y ranges from 0 to 6 R3 is an aliphatic chain containing sulphur and composed of a number of carbon atoms ranging from 1 to 10; wherein: p ranges from 1 to 6.Type: GrantFiled: May 21, 2015Date of Patent: June 4, 2019Assignee: BRIDGESTONE CORPORATIONInventors: Alessandra Bartoloni, Raffaele Di Ronza
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Patent number: 10309476Abstract: An object of the present invention is to provide an SBR composition for a torsional damper in which the SBR composition has a good physical property balance of high load-bearing properties, low CS properties, and the kneadability and roll processability of a rubber material, and to provide a torsional damper. The object is achieved in such a manner that the SBR composition for the torsional damper comprises at least: (a) an SBR polymer having a combined styrene content of 10 wt % to 50 wt %; (b) carbon black comprising FEF grade carbon black and HAF grade carbon black blended at a ratio of FEF:HAF=1:3 to 3:1; (c) a crosslinking system including sulfur, a sulfur-donating compound, and an organic peroxide compound; and (d) a co-crosslinking agent, wherein 60 parts by weight to 100 parts by weight of the carbon black as total parts by weight of the FEF grade carbon black and the HAF grade carbon black is blended based on 100 parts by weight of the SBR polymer, 0.4 part by weight to 2.Type: GrantFiled: October 27, 2015Date of Patent: June 4, 2019Assignee: NOK CORPORATIONInventor: Tetsuro Negami
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Patent number: 10301455Abstract: A tire comprises a rubber composition based on at least one diene elastomer, a reinforcing filler, a specific polyfunctional acrylate derivative, silica as predominant reinforcing filler, a guanidine derivative and a peroxide, the contents of polyfunctional acrylate derivative and of peroxide being such that the ratio of the content of polyfunctional acrylate derivative to the content of peroxide is greater than or equal to 6.Type: GrantFiled: December 21, 2015Date of Patent: May 28, 2019Assignee: Compagnie Generale des Etablissements MichelinInventor: Didier Vasseur
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Patent number: 10294352Abstract: Cast silicone compositions with high transparency suitable for use as optical components contain a base polymer with a refractive index ?1.42, and a reinforcing particulate silica which is surface modified to have a refractive index within 0.03 of the refractive index of the base polymer, by reaction with an aryl-silane or aryl-siloxane.Type: GrantFiled: October 29, 2015Date of Patent: May 21, 2019Assignee: WACKER CHEMIE AGInventors: Arvid Kuhn, Inge Schreiber
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Patent number: 10266660Abstract: A method for manufacturing a wet rubber masterbatch that will serve as raw material for vulcanized rubber having excellent tensile strength and tear strength and that will permit wet rubber masterbatch to be molded in a short time. A method comprising an operation in which a collection of granules comprising a plurality of granular coagula are obtained from a liquid mixture comprising filler and rubber latex solution, and an operation in which the collection of granules is compressed under conditions satisfying Formula I; 3?P×Da?500 (P indicates pressure (kgf/cm2) applied to the collection of granules. Da indicates granule diameter (mm) of the granular coagula), making it possible to cause a wet rubber masterbatch capable of serving as raw material for vulcanized rubber having excellent tensile strength and tear strength to be molded in a short time.Type: GrantFiled: June 8, 2015Date of Patent: April 23, 2019Assignee: TOYO TIRE & RUBBER CO., LTD.Inventors: Makoto Tanaka, Kenji Nomura
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Patent number: 10259715Abstract: The invention relates to a novel process for preparing a precipitated silica, in which: a silicate is reacted with an acidifying agent, so as to obtain a suspension of precipitated silica, said suspension of precipitated silica is filtered, so as to obtain a filter cake, said filter cake is subjected to a liquefaction operation, after the liquefaction operation, a drying step is performed, characterized in that at least one polycarboxylic acid is added to the filter cake, during or after the liquefaction operation. The invention also relates to novel precipitated silicas and to uses thereof.Type: GrantFiled: February 12, 2015Date of Patent: April 16, 2019Assignee: Rhodia OperationsInventors: Cédric Boivin, Laurent Guy, Eric Perin, Kilani Lamiri
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Patent number: 10240067Abstract: The present teachings generally provide curable polysiloxane compositions including a base resin including a MQ vinyl siloxane. Articles of manufacture including the curable polysiloxane compositions and slippery coatings and materials also are provided. The compositions may be used to provide slippery, lubricious, or repellent materials and coatings and may provide anti-fouling function. The compositions can provide anti-fouling or foul-release function on open surfaces, internal surfaces, membranes; to provide pinning free or low contact angle hysteresis surfaces; to provide homogeneous interface to suppress nucleation; to provide a barrier layer such as anti-corrosion; to provide anti-stain, anti-smudge, anti-fingerprint, anti-soil function.Type: GrantFiled: April 23, 2018Date of Patent: March 26, 2019Assignee: Adaptive Surface TechnologiesInventors: Philseok Kim, Teluka Pasan Galhenage, Joseph Lomakin
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Patent number: 10242902Abstract: A temporary adhesive material for a wafer processing, used for temporarily bonding a support and a wafer having a circuit-forming front surface and a back surface to be processed, contains a complex temporary adhesive material layer having a three-layered structure that includes a first temporary adhesive layer composed of a non-silicone thermoplastic resin layer capable of releasably adhering to the front surface of the wafer, a second temporary adhesive layer composed of a thermosetting siloxane polymer layer laminated on the first temporary adhesive layer, and a third temporary adhesive layer composed of a thermosetting siloxane-modified polymer layer laminated on the second temporary adhesive layer and capable of releasably adhering to the support. A wafer processing laminate and temporary adhesive material for a wafer processing facilitate temporary adhesion and separation, have excellent CVD resistance, and can increase productivity of thin wafers, and a method manufactures a thin wafer using the same.Type: GrantFiled: March 3, 2015Date of Patent: March 26, 2019Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Michihiro Sugo, Hiroyuki Yasuda, Shohei Tagami, Masahito Tanabe
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Patent number: 10138394Abstract: The present application discloses a one-part room temperature vulcanizable (RTV) poly(diorganosiloxane) composition for a silicone elastomer air-water barrier coating for a building envelope; a method of preparing a silicone elastomer air-water barrier coating for a building envelope using such a composition and a building envelope prepared by such a method.Type: GrantFiled: March 19, 2015Date of Patent: November 27, 2018Assignee: CSL Silicones Inc.Inventors: Faisal Huda, Farooq Ahmed, Jocelyn J. Johansen, Balwantrai Mistry, Christopher W. McConnery
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Patent number: 10119014Abstract: Provided are: a rubber composition for tires capable of improving fuel economy, wet grip performance, and abrasion resistance; and a pneumatic tire including the same. Included is a rubber composition for tires including: a diene polymer; silica; and a liquid resin having a softening point of ?20 to 20° C., the diene polymer being a modified diene polymer obtained by reacting components (A) and (B), the liquid resin being present in an amount of 3-40 parts by mass per 100 parts by mass of the rubber component, the component (A) being an active alkali metal-terminated conjugated diene polymer obtained by polymerizing a conjugated diene monomer alone or with an aromatic vinyl monomer, in the presence of a component (C), the component (B) being a modifier containing a functional group, the component (C) being a chemical species obtained by reacting an organic alkali metal compound and a compound of Formula (1) below.Type: GrantFiled: October 16, 2012Date of Patent: November 6, 2018Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Soh Ishino
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Patent number: 10023471Abstract: Precipitated silica specifically useful in the paper industry and in particular in paper-coating applications for inject printing, is characterized by an uptake of DOP oil lower than 260 ml/100 g, a pore volume (Vd25) of greater than 0.8 ml/g formed by pores having a diameter of less than 25 nm, a CTAB specific surface area of greater than 280 m2/g.Type: GrantFiled: October 9, 2014Date of Patent: July 17, 2018Assignee: Rhodia OperationsInventors: Pierre-Yves Lahary, Yvonick Chevallier, Remi Valero
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Patent number: 10005857Abstract: Vulcanizable polymer compositions based on backbone-functionalized polydienes having the general formula (I):Type: GrantFiled: October 9, 2014Date of Patent: June 26, 2018Assignee: ARLANXEO Deutschland GmbHInventors: Heike Kloppenburg, Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Alicia Le-Sattler
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Patent number: 9926418Abstract: Curative fibre components comprise one or more fibres for filaments of curative suitable to cure curable resins such as thermoset resin. In curative fibre components comprising a plurality of fibres of curative, the fibres can be commingled, such as twisting, to form a thread or yarn. Curative fibre components can be used to form a material in the form of a sheet, fabric, layer, textile or mat of woven or non-woven curative fibres. Curative fibre components can be used to produce composite materials such as fibre reinforced resinous composite materials. The curative fibre components can be commingled, including interwoven, stitched and layered with other fibres or fibrous materials, such as fibrous reinforcement, fibrous curable resin, fibrous thermoplastic, other non-reinforcing fibres to form composite materials, prepregs, preforms and articles.Type: GrantFiled: November 24, 2009Date of Patent: March 27, 2018Assignee: CYTEC INDUSTRIAL MATERIALS (DERBY) LIMITEDInventors: Mark Raymond Steele, Andrew Gibbs, Amy Grace Atinkson