Patents Examined by Deve V Hall
  • Rubber composition for tire, and pneumatic tire
    Patent number: 11608425
    Abstract: A rubber composition for a tire contains a diene rubber, silica, and a specific modified butadiene polymer, wherein the diene rubber contains an aromatic vinyl-conjugated diene rubber A and at least one rubber component B selected from an aromatic vinyl-conjugated diene rubber b1 other than the rubber A and a butadiene rubber b2 having a weight average molecular weight of ?15000. A content of the aromatic vinyl-conjugated diene rubber A is from 30 to 90% by mass, and a content of the rubber component B is from 10 to 70% by mass, an average TG of the diene rubber is lower than ?20° C., a content of the silica is from 80 to 200 parts by mass per 100 parts by mass of the diene rubber, and a content of the modified butadiene polymer is from 1.0 to 25.0% by mass with respect to content of the silica.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: March 21, 2023
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Ayaki Kazariya, Makoto Ashiura, Satoshi Mihara, Kazuya Uenishi, Yu Shinke
  • Tire rubber composition and pneumatic tire
    Patent number: 11602954
    Abstract: Provided are a rubber composition for tires that provides improved silica dispersion and fuel economy while maintaining good hardness, and a pneumatic tire including the rubber composition. The present invention relates to a rubber composition for tires, containing a rubber component, silica, and a silica dispersing agent represented by the following formula (I).
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: March 14, 2023
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Hayato Yoshiyasu
  • Graphene as additive in truck tire tread applications
    Patent number: 11597821
    Abstract: The introduction of graphene as an additive in truck tire treads is disclosed. The product shows increased electrical resistance in tire treads, with no tradeoffs in other characteristics.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: March 7, 2023
    Inventors: Douglas Paschall, Adel F. Halasa, Michael Brendan Rodgers
  • Pneumatic tire
    Patent number: 11591454
    Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), up to 100 phr of a solution polymerized styrene-butadiene rubber; from 5 to 50 phr of a fatty acid monoester of formula 1 where R1 is selected from C1 to C8 linear or branched alkyl, C1 to C8 linear or branched alkenyl, and C2 to C6 linear or branched alkyl substituted with from one to five hydroxyl groups; R2 is C11 to C21 alkyl or C11 to C21 alkenyl; from 5 to 50 phr of a hydrocarbon resin having a Tg ranging from ?40° C. to 20° C.; less than 10 phr of a petroleum-derived oil; and from 50 to 130 phr of silica. optionally, from about 1 to 50 phr carbon black.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: February 28, 2023
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Nihat Ali Isitman, Marine Sophie Francoise Wassen, Ronda Jane Hinterlong
  • Milling blank for the production of medical-technical molded parts
    Patent number: 11591431
    Abstract: This disclosure relates to a milling blank for the production of medical-technical molded parts, in particular dental splints or ear molds, as well as a method for the production of such a blank.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: February 28, 2023
    Assignee: PR03DURE MEDICAL GMBH
    Inventors: Martin Klare, Frank Gischer
  • Resin composition and method for producing the same
    Patent number: 11578193
    Abstract: Provided is a resin composition comprising a starch and a polyvinyl alcohol, which is excellent in the breaking strength and breaking elongation at a low temperature, and at the same time, has the good gas barrier property. The resin composition comprises modified starch and polyvinyl alcohol, and where in a cross section photograph by a transmission electron microscope, a cross-sectional area of each of particles of the polyvinyl alcohol dispersed is calculated, and a cross-sectional shape of each of the particles of the polyvinyl alcohol is postulated to be circular based on the cross-sectional area, the particles of the polyvinyl alcohol have a conversion particle diameter of 50 to 300 nm, and the conversion particle diameter has a dispersity of 3.0 or less.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: February 14, 2023
    Assignee: PLANTIC TECHNOLOGIES LTD
    Inventors: Masahiko Ota, Nicholas John McCaffrey
  • Modified asphalt and preparation method therefor
    Patent number: 11572445
    Abstract: The modified asphalt provided by the disclosure is prepared from the following raw materials in parts by weight: 100 to 120 parts of asphalt, 6 to 20 parts of a modifier, 3 to 9 parts of a compatibilizer, 0.15 to 0.25 parts of sulfur, 0.4 to 0.6 parts of a non-amine anti-stripping agent and 0.2 to 0.4 parts of a coupling agent; and the modifier comprises a styrene-butadiene-styrene block copolymer, a rubber, and a polyurethane. The modified asphalt provided by the disclosure can simultaneously satisfy an elastic recovery at 25° C. of ?98%, a dynamic viscosity at 60° C. of ?500,000 Pa·s, a composite shear modulus at 60° C. of ?10 Pa, and a critical temperature at G*/Sin?2.2 kPa of ?94° C.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: February 7, 2023
    Assignee: Central Fortune Creation Technology Group Co., Ltd.
    Inventors: Jiangmiao Yu, Guocheng Su, Guangliang Mo, Fuda Chen, Lijuan Chen, Jianyuan Lu
  • Flame resistant material and resultant products
    Patent number: 11572454
    Abstract: Disclosed herein are compositions, formulations, applications, and methods of making a fire resistant material. The fire resistant material is a transparent acrylic material that incorporates a primary polymer, nanostructured fillers, and crosslinkers. The nanostructured filler is polyhedral oligomeric silsesquioxane (POSS) or a POSS derivative that has a cage like structure. The fire resistant material may also include various components such as brominated additives and phosphorous based synergists. The fire resistant material may be used for various applications including wall claddings and glazings.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: February 7, 2023
    Assignee: Architectural Solutions IP, LLC
    Inventors: Michael Owen Wells, Emily Faith Robbins
  • Bitumen nanocomposites and uses thereof
    Patent number: 11565972
    Abstract: Provided are bitumen nanocomposites. The bitumen nanocomposites have one or more clay, one or more polymer composition, and bitumen. A polymer composition can have one or more polymer and one or more crumb rubber. A polymer may have one or more maleic anhydride group. The bitumen nanocomposites can be used in, for example, road surfacing products and roofing products.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: January 31, 2023
    Assignee: CORNELL UNIVERSITY
    Inventors: Vasiliki Kosma, Emmanuel P. Giannelis
  • Modified conjugated diene rubber
    Patent number: 11566094
    Abstract: A modified conjugated diene rubber having a modifying structure derived from a siloxane compound at at least one terminal of a polymer chain containing conjugated diene monomer unit and a monomer unit of a vinyl compound having a functional group interactive with silica.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: January 31, 2023
    Assignees: ZEON CORPORATION, SUMITOMO CHEMICAL COMPANY, LIMITED, ZS ELASTOMERS CO., LTD.
    Inventors: Takuro Sakurai, Takashi Iizuka, Mana Fujii, Hisakatsu Hama
  • Cut resistant fabric
    Patent number: 11560648
    Abstract: A cut resistant fabric and a method of manufacturing a cut resistant fiber is disclosed herein. The fabric comprises a Ultra High Molecular Weight Polyethylene (UHMWPE) material and a sheet shaped wollastonite filler. The sheet shaped wollastonite filler is treated with a coupling agent and mixed with the UHMWPE material. A thickness of the sheet shaped wollastonite filler is less than 10 micrometers (?m). The method comprises providing the sheet shaped wollastonite filler having a thickness of less than 10 ?m and treating the sheet shaped wollastonite filler with a coupling agent at a first predefined temperature to obtain a uniform solution. The method further comprises mixing the uniform solution with a fiber solution comprising UHMWPE resin at a second predefined temperature.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: January 24, 2023
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventor: Lei Han
  • Method for producing a composition of construction material for 3D printing
    Patent number: 11554518
    Abstract: Systems, devices, and methods are provided for producing a 3d-printable composite material for large scale printing. A method can include receiving a first component comprising a (meth)acrylic monomer or a (meth)acrylic oligomer, or a combination thereof. The method can include receiving a second component comprising a photoinitiator and a third component comprising a polymerization enhancer. The method can include mixing the first component, second component, and third component with a mixing reactor to form a mixture. The method can include filtering the mixture with a filtration unit and removing a solid residue from the mixture. The method can include curing the filtered mixture with a radiation unit into a gel component and a liquid component. The method can include separating the gel component with a phase separation unit and then milling the gel component.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: January 17, 2023
    Assignee: Mighty Buildings, Inc.
    Inventors: Aleksei Dubov, Denis Indyk
  • Rubber composition for tire and winter tire using the same
    Patent number: 11554608
    Abstract: A rubber composition for a tire, which does not require the addition of a compound when synthesizing rubber component and the modification of a rubber component, and a winter tire using the rubber composition are provided. The rubber composition for a tire contains fine particles of rotaxane having a straight chain molecule, acyclic molecule clathrating the straight chain molecule and blocking groups arranged at both terminals of the straight chain molecule such that the cyclic molecule does not desorb from the straight chain molecule, covered with silica; a rubber component comprising styrene-butadiene rubber; and at least one of carbon black and silica, wherein the total content of the fine particles, the carbon black and the silica (excluding silica covering rotaxane) is 70 to 150 parts by mass per 100 parts by mass of the rubber component.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: January 17, 2023
    Assignee: TOYO TIRE CORPORATION
    Inventor: Kazuya Hirabayashi
  • Copolymer, rubber composition, and tire
    Patent number: 11549007
    Abstract: Provided are copolymers which provide improved overall performance in terms of fuel economy and wet grip performance, as well as rubber compositions and tires containing the copolymers. Included is a copolymer obtained by copolymerizing an aromatic vinyl compound, a conjugated diene compound, and a compound represented by the formula (1) below or by copolymerizing a conjugated diene compound and a compound represented by the formula (1) below, the copolymer having a weight average molecular weight of 1.0×103 to 2.5×106, wherein R1 and R2 may be the same or different and each represents a functional group containing at least two selected from the group consisting of carbon, hydrogen, and silicon, and R1 and R2 may be joined together to form a ring structure.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: January 10, 2023
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Kensuke Washizu
  • Filled polymer-based compositions with low viscosity, good mechanical properties and adhesion
    Patent number: 11542383
    Abstract: The invention provides a composition comprising the following: A) a first polymer composition comprising an anhydride functionalized ethylene-based polymer, and optionally, an ethylene-based polymer; B) a filler; and wherein the anhydride functionalized ethylene-based polymer has a density from 0.855 g/cc to 0.900 g/cc and a melt viscosity, at 177° C., from 1000 to 50,000 cP.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: January 3, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Colin LiPiShan, Kyle Anderson
  • Rubber composition and pneumatic tire using the same
    Patent number: 11530319
    Abstract: There is provided a rubber composition which can provide a tire having an excellent balance of the breaking properties, the rolling resistance performance (low fuel consumption) and the wet grip performance. The rubber composition includes 100 parts by mass of a diene rubber, and 1 to 100 parts by mass of fine particles (A) having a glass transition point of ?70° C. to 0° C. and composed of a polymer comprising constituent units of at least one monofunctional monomer. The fine particles (A) have a crosslinked structure crosslinked by at least one polyfunctional monomer having a polysulfide bond in which at least two successive sulfur atoms are bonded together.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: December 20, 2022
    Assignee: TOYO TIRE CORPORATION
    Inventor: Takuya Kimura
  • Conjugated-diene-based rubber
    Patent number: 11530287
    Abstract: A conjugated diene-based rubber including a polymer block (A) containing isoprene monomer unit as the main component and a polymer block (B) containing 1,3-butadiene monomer unit as the main component, wherein at least one of the polymer block (A) and the polymer block (B) contains a unit of a vinyl compound having a functional group interactive with silica, the polymer block (A) has a weight average molecular weight (Mw) in the range of 1,000 to 30,000, and the entire conjugated diene-based rubber has a weight average molecular weight (Mw) in the range of 50,000 to 5,000,000.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: December 20, 2022
    Assignees: ZEON CORPORATION, SUMITOMO CHEMICAL COMPANY, LIMITED, ZS ELASTOMERS CO., LTD.
    Inventors: Takuro Sakurai, Takashi Iizuka, Mana Fujii, Hisakatsu Hama
  • Rubber composition and tire
    Patent number: 11512185
    Abstract: Provided is a rubber composition that achieves both wet performance and low loss property while delivering excellent dry handling performance. A rubber composition comprises: a rubber component; and a styrene-alkylene block copolymer, wherein a total styrene content of the styrene-alkylene block copolymer is 30 mass % or more with respect to a total mass of the styrene-alkylene block copolymer, and the rubber component contains a styrene butadiene rubber having a styrene content of 30 mass % or more.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: November 29, 2022
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Misa Aoki, Seiichi Tahara
  • Handling additive for silicone elastomer bases
    Patent number: 11505676
    Abstract: A handling additive composition is disclosed. The composition is useful to improve handling of silicone elastomers prepared from polydiorganosiloxanes and silicone elastomers made therewith.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: November 22, 2022
    Assignee: DOW SILICONES CORPORATION
    Inventors: Yusheng Chen, Shaohui Wang, Rui Wang, Mark D. Fisher
  • Polycarbonate resin compositions with consistent color and stable blue-cut performance
    Patent number: 11505675
    Abstract: Embodiments of the disclosure relate to a series of PC resin additives for maintaining the color stability and blue-cut performance during injection molding. The additives may be used to adapt a PC resin customarily used for sun protection lenses for clear lens applications.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: November 22, 2022
    Assignee: ESSILOR INTERNATIONAL
    Inventors: Hao Wen Chiu, Elliot French, Aref Jallouli, Haifeng Shan