Patents Examined by Angela C Scott
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Patent number: 11851549Abstract: The present invention is directed a tire comprising two rubber components which are co-cured together. The first rubber component comprises from 70 phr to 100 phr of a hydrogenated styrene butadiene rubber, 0 phr to 15 phr of a polybutadiene, 5 phr to 20 phr of a polyoctenamer, and 40 phr to 160 phr of a first filler. The second rubber component comprises 90 phr to 100 phr of a diene-based elastomer; and 20 phr to 160 phr of a second filler. Moreover, the present invention is directed to a rubber composition comprising a hydrogenated styrene butadiene rubber, 5 phr to 20 phr of a polyoctenamer, and 40 phr to 160 phr of a reinforcing filler.Type: GrantFiled: October 27, 2020Date of Patent: December 26, 2023Assignee: The Goodyear Tire & Rubber CompanyInventor: Eric Engeldinger
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Patent number: 11845866Abstract: The present technology provide a rubber composition including: 100 parts by mass of a diene rubber, from 30 to 100 parts by mass of carbon black and/or a white filler, from 1 to 20 parts by mass of silicone-based microparticles that have an average particle size from 5 to 500 ?m and that are three-dimensionally crosslinked, from 0.1 to 10 parts by mass of a nonionic surfactant, and from 1 to 20 parts by mass of thermally expanding microcapsules.Type: GrantFiled: March 11, 2019Date of Patent: December 19, 2023Assignee: The Yokohama Rubber Co., LTD.Inventors: Hirokazu Kageyama, Kazushi Kimura, Satoshi Mihara, Yutaro Yamamoto
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Patent number: 11840617Abstract: Provided are: a stabilizer composition capable of imparting a vinyl chloride resin with excellent thermal stability, coloration resistance, and thermal coloration resistance; a vinyl chloride resin composition containing the same and a molded article of the composition. The stabilizer composition contains, with respect to 100 parts by mass of a component (A): 5 to 700 parts by mass of a component (B) and 5 to 200 parts by mass of a component (C). The component (A) is at least one organic acid zinc salt, the component (B) is at least one selected from the group consisting of organic acid barium salts, overbased barium carbonates, organic acid calcium salts and overbased calcium carbonates, and the component (C) is at least one hindered amine-based light stabilizer.Type: GrantFiled: January 30, 2019Date of Patent: December 12, 2023Assignee: ADEKA CORPORATIONInventors: Ryusuke Mitamura, Hiroshi Nishimura, Kazumasa Tanaka
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Patent number: 11820172Abstract: A pneumatic tire comprises a tread rubber with a groove depth at a shoulder portion that comes into contact with a road surface of 10 mm or greater. A rubber composition of the tread rubber contains: 60 to 70 parts by mass of carbon black having a nitrogen adsorption specific surface area of 70 to 130 m2/g, 0.5 parts or greater by mass of sulfur, and a vulcanization accelerator per 100 parts by mass of diene rubber including 50 to 70 mass % of styrene-butadiene rubber, 20 to 30 mass % of butadiene rubber, and 10 to 30 mass % of natural rubber. The diene rubber has an average glass transition temperature of ?65° C. or lower. A ratio of a compounded amount of the vulcanization accelerator to a compounded amount of the sulfur is 1.0 to 1.3. The tread rubber has a rubber hardness of 65 to 70 at 20° C.Type: GrantFiled: April 11, 2018Date of Patent: November 21, 2023Assignee: The Yokohama Rubber Co., LTD.Inventor: Hiroki Sugiura
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Patent number: 11814516Abstract: The invention belongs to the field of rubber tire processing, and particularly discloses an application of a lignin in preparing a radial tire, wherein the lignin is capable of completely or partially replacing resorcinol, and meanwhile, the lignin is also capable of completely or partially replacing an anti-aging agent. Compared with the prior art, the resorcinol is replaced or partially replaced by a biomass-derived lignin or a modified lignin in the invention, so that requirements of cost reduction, environmental protection and no toxicity are satisfied. Especially, the lignin modified by demethylation according to the invention is capable of effectively enhancing various properties of rubber.Type: GrantFiled: July 5, 2021Date of Patent: November 14, 2023Assignee: NANJING TECH UNIVERSITYInventors: Chenjie Zhu, Hanjie Ying, Ming Li, Pingkai Ouyang, Jiannong Shen, Xinjian Xu, Wei Zhuang, Tao Shen
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Patent number: 11807760Abstract: Biocomposites and related fabrication methods and systems are described, the biocomposites comprising compacted plants and/or algae cells having a water content of less than 15 wt %, and a minimized pore presence and/or dimensions, in which the compacted cells are in a lamellar stacked configuration with a plurality of lamellae arranged one above the other, each lamella independently having a thickness of 20 nm to 5 ?m and comprising a semi-crystalline structure formed by biopolymers of cell walls of the compacted plant and/or algae cells.Type: GrantFiled: June 24, 2020Date of Patent: November 7, 2023Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGYInventors: Eleftheria Roumeli, Luca Bonanomi, Chiara Daraio, Rodinde Hendrickx
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Patent number: 11795296Abstract: A particulate nucleating agent of the present invention is a particulate nucleating agent that contains a compound represented by a predetermined general formula, in which a content of phosphate ions in the particulate nucleating agent, which is obtained by a predetermined measurement procedure, is equal to or more than 5 ppm and equal to or less than 8,000 ppm based on a mass of the compound represented by the predetermined general formula.Type: GrantFiled: January 13, 2021Date of Patent: October 24, 2023Assignee: ADEKA CORPORATIONInventors: Wataru Sugiyama, Yuri Yokota
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Patent number: 11794430Abstract: Methods for producing a polymer-containing coating upon a cured tire inner liner using a coating composition of specified composition are provided. Also provided are methods for producing a tire comprising a cured inner liner (with a polymer-containing coating upon its radially inward-facing surface) and at least one component positioned radially inward of the cured inner liner. Tires containing a cured inner liner (with a polymer-containing coating upon its radially inward-facing surface) and at least one component positioned radially inward of the cured inner liner are also disclosed.Type: GrantFiled: December 14, 2017Date of Patent: October 24, 2023Assignee: Bridgestone Americas Tire Operations, LLCInventors: Kung-Ching Liao, Jared J. Griebel, Brian S. Alexander, Jiansheng Tang, Bradley S. Plotner, Ross W. Widenor
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Patent number: 11795311Abstract: Provided is a polypropylene resin composition which imparts excellent impact resistance by comprising polypropylene resin, a thermoplastic elastomer, and a wool-like inorganic filler, and simultaneously imparts dimensional stability through control of low shrinkage and orientation, and also has very excellent scratch resistance.Type: GrantFiled: October 30, 2018Date of Patent: October 24, 2023Assignee: GS CALTEX CORPORATIONInventors: Cheol-Hee Park, Byung-Wook Kang, Won-Keon Seo
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Patent number: 11795314Abstract: Provided is a composition for encapsulating an organic electronic element, comprising an olefin-based resin having at least one reactive functional group, a multifunctional acrylic oligomer, and a monofunctional acrylic oligomer, wherein the monofunctional acrylic oligomer is present in an amount of 7 to 30 parts by weight relative to 100 parts by weight of the olefin-based resin. Also provided are an organic electronic device comprising the composition, and methods for preparing the organic electronic device.Type: GrantFiled: September 4, 2018Date of Patent: October 24, 2023Assignee: LG Chem, Ltd.Inventors: Seung Min Lee, So Young Kim, Se Woo Yang
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Patent number: 11787923Abstract: A rubber composition of the present technology contains: diene rubber (A) containing a predetermined amount of specific conjugated diene rubber represented by a predetermined formula; silica having a CTAB adsorption specific surface area in a predetermined range; and a silane coupling agent represented by a predetermined formula.Type: GrantFiled: February 8, 2017Date of Patent: October 17, 2023Assignee: The Yokohama Rubber Co., LTD.Inventors: Hiroki Sugimoto, Shuichi Nakano, Makoto Ashiura
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Patent number: 11781015Abstract: A heat-resistant polyamide composition includes a copolyamide and an anhydride-functional polymer. The copolyamide includes the reaction product of at least one lactam and a monomer mixture. The monomer mixture includes at least one C32-C40 dimer acid, and at least one C4-C12-diamine.Type: GrantFiled: September 20, 2018Date of Patent: October 10, 2023Assignee: BASF SEInventors: Gijsbrecht Jacobus Maria Habraken, Patrick Spies
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Patent number: 11766891Abstract: A pneumatic tire includes an innerliner and a tie rubber. A rubber composition for an innerliner constituting the innerliner includes from 25 to 75 parts by mass of a carbon black having a nitrogen adsorption specific surface area from 25 to 95 m2/g, from 1 to 13 parts by mass of a resin, and from 0.1 to 1.8 parts by mass of zinc oxide, per 100 parts by mass of a diene rubber containing from 50 to 100 parts by mass of halogenated butyl rubber, and the dynamic storage modulus at ?45° C. of the rubber composition is not greater than 600 Mpa.Type: GrantFiled: June 27, 2017Date of Patent: September 26, 2023Assignee: The Yokohama Rubber Co., Ltd.Inventors: Katsunori Shimizu, Tsuyoshi Nomaguchi
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Patent number: 11760129Abstract: Provided is a tire in which a steel cord applied to a carcass ply has improved corrosion resistance to water penetration, fretting resistance, and cord untwisting resistance. Provided is a tire including a carcass ply (1) as a skeleton. The carcass ply is reinforced by a steel cord including no wrapping filament. The steel cord is composed of a plurality of steel filaments having 3 or more core filaments, at least a part of the surface of each of the plurality of steel filaments is coated with a resin material containing at least an ionomer, and when a resin component contained in the resin material is composed of a single resin, the melting point of the resin material is 150° C. or less, and when the resin component is composed of a composition containing two or more resins, the softening point of the resin material is 150° C. or less.Type: GrantFiled: October 24, 2018Date of Patent: September 19, 2023Assignee: BRIDGESTONE CORPORATIONInventor: Takahisa Shizuku
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Patent number: 11760826Abstract: A styrenic block copolymer is disclosed, having a formula, A-B-A, A-B-B-A, (A-B-A)nX, (A-B)nX or mixtures thereof, wherein n is from 2 to 30, and X is residue of a coupling agent. Each A block is independently a polystyrene having 10-63 wt. % 1,1-diphenylethylene, a GPC peak molecular weight from about 5-40 kg/mol, and forms 10-40 wt. % of the copolymer. Each B block is independently a poly(1,3-diene-co-styrene) comprising: (i) >90 wt. % of polymerized isoprene units relative to the weight of the polymerized 1,3-diene, where S is <40, and (S+V) is 18-75; (ii) >90 wt. % of polymerized butadiene units relative to the weight of the polymerized 1,3-diene, where S is <40, and (1.2*S+V) is 60-120; or combinations thereof “S” represents the polystyrene content, and “V” represents the 1,3-diene content having pendant 1,2- and/or 3,4-vinyl groups in the B block.Type: GrantFiled: December 13, 2019Date of Patent: September 19, 2023Assignee: KRATON CORPORATIONInventors: Xavier Daniel Muyldermans, Marianne Stol, Martine Dupont, Koen Van Duin
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Patent number: 11732115Abstract: The present invention relates to a tire (100) for vehicle wheels comprising a tire component comprising a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition, wherein said elastomeric composition comprises a polymer blend comprising (a) 50 to 95 percent by weight of a first elastomeric polymer and (b) 5 to 50 percent by weight of a second elastomeric polymer based on the total weight of the polymer blend. The second elastomeric polymer (b) is obtainable by (i) anionic polymerization of at least one conjugated diene monomer and one or more a-olefin monomer(s) in the presence of a polymerization initiator in an organic solvent, and (ii) coupling the polymer chains obtained in (i) by a coupling agent. The second elastomeric polymer (b) has a weight-average molecular weight (Mw) in the range of 5,000-40,000 g/mol and a coupling rate of at least 50 percent by weight.Type: GrantFiled: June 6, 2017Date of Patent: August 22, 2023Assignee: PIRELLI TYRE S.p.A.Inventors: Pierluigi De Cancellis, Thomas Hanel, Francesco Parazzoli, Giuseppina Ratti, Juergen Wagemann, Marianna Zinna
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Patent number: 11732127Abstract: Disclosed are processes for making polymeric composite materials and composite materials made from those processes, the process comprising: providing a mixture, comprising: a liquid, a polymer precursor, and a dispersed-phase precursor; and subjecting the mixture to reaction conditions sufficient: to effect polymerization of the polymer precursor to produce a polymer and a reaction product; and to remove substantially all the liquid and reaction product from the mixture; wherein said reaction conditions comprise: pressure between about 10 millitorr and about 300 torr; and temperature: greater than or equal to the highest boiling point of the liquid and reaction product; less than the decomposition temperature of the polymer; and less than the decomposition temperature of the dispersed-phase precursor.Type: GrantFiled: September 26, 2022Date of Patent: August 22, 2023Assignee: University of Maine System Board of TrusteesInventors: Michael A. Bilodeau, Jonathan Spender
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Patent number: 11732117Abstract: A rubber composition is based on at least: a diene elastomer; a reinforcing inorganic filler; an agent for coupling the reinforcing inorganic filler with the diene elastomer, said coupling agent being a blocked mercaptosilane of formula (I), as described in the claims; a hydrocarbon-based resin predominantly composed of monomers chosen from the group consisting of cyclopentadiene, dicyclopentadiene, methylcyclopentadiene and mixtures thereof, and a crosslinking system. A semi-finished article and a tire may comprise at least one such rubber composition.Type: GrantFiled: October 3, 2018Date of Patent: August 22, 2023Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Philippe Labrunie, Karine Longchambon, Laurent Copey
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Patent number: 11724545Abstract: A tire having a tread comprising at least two radially superposed portions which comprise a radially external portion being made of a first rubber composition (FC), and a radially internal portion being made of a second rubber composition (SC); the tread comprising a plurality of tread pattern elements (1) delimited by cut-outs (3, 4); the tread pattern elements (1) respectively comprising at least one lateral face (13, 14, 15, 16) and a contact surface (2) intended to come into contact with the ground during rolling; the external portion of the tread pattern elements (1) being at least partially covered on at least one of the lateral face(s) (13, 14, 15, 16) with a layer of a third rubber composition (TC).Type: GrantFiled: May 31, 2018Date of Patent: August 15, 2023Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Tomoya Sakurada, Tomotake Uchida
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Patent number: 11725097Abstract: An accelerator-free elastomeric formulation comprising base polymers, crosslinkers, stabilizers, an activator, an antioxidant, a pigment, a wax, an antifoam and a pH adjuster. A method of preparing an accelerator-free elastomeric formulation, comprising the steps of mixing Base polymer A with Crosslinker A to produce mixture A, adding while stirring Stabilizer A, Crosslinker B, an activator, an antioxidant, a pigment, a wax and an antifoam one after another with no particular order and followed by a pH adjuster into the mixture A to produce mixture B, adding Base polymer B and Stabilizer B one after another with no particular order into the mixture B to produce an accelerator-free elastomeric formulation and allowing the accelerator-free elastomeric formulation to mature.Type: GrantFiled: April 23, 2020Date of Patent: August 15, 2023Inventors: Chong Ban Wong, Keuw Wei Lim, Siew Szen Ling, Siti Ayuni Hamka