Mixing Inorganic Silicon-containing Material Having Color Or Numerical Limitations Other Than Amount, E.g., Included Herein Are M.p., Chemical Composition, Particle Size, Surface Area, Etc., Or Composition Or Product Thereof, Dnrm Patents (Class 524/492)
  • Patent number: 11123905
    Abstract: Novel polylactic acid biopolymer systems and methods of producing products with polylactic acid biopolymers are disclosed. Products produced according to the systems and methods disclosed herein have enhanced deflection temperature and improved mechanical performance when compared to conventional injection moulding processes. Systems and methods for compounding polylactic acid biopolymer and creating an object using a polylactic acid biopolymer by extrusion and injection moulding process are described.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: September 21, 2021
    Assignee: Dandelion Research Limited
    Inventors: Kemal Kaya Kaplancali, Dominic Mount Tsun Mak
  • Patent number: 11046832
    Abstract: The present disclosure discloses a method of manufacturing silicon dioxide nanoparticles modified by a polymer containing phosphorus and nitrogen, which relates to organic/inorganic hybrid nanoparticles, dispersing SiO2 in an organic solvent, then adding THPS, stirring, and finally adding p-phenylenediamine, reacting, centrifuging, washing, and drying to obtain silicon dioxide nanoparticles modified by a polymer containing phosphorus and nitrogen. The silicon dioxide nanoparticles modified by the polymer containing phosphorus and nitrogen have effects in flame retardancy, strengthening effect of polymer matrixes, and are expected to be widely used in the halogen-free synergistic flame retardancy of polymer materials.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: June 29, 2021
    Assignee: Xiamen University
    Inventors: Lizong Dai, Chao Liu, Guorong Chen, Jiamei Huang, Zhongyu Li, Conghui Yuan, Yiting Xu, Birong Zeng, Wei′ang Luo
  • Patent number: 11001687
    Abstract: Provided are a substrate with a functional fine line having excellent optical properties and excellent adhesion of the functional fine line, and a method for forming the functional fine line. The substrate with a functional fine line according to the present invention has an undercoat layer including a hydrophobically modified polyester resin on the substrate, and has a functional fine line including a deposit of functional microparticles and having a line width of 1 ?m or more and 10 ?m or less on the undercoat layer. The method for forming a functional fine line according to the present invention includes forming an undercoat layer including a hydrophobically modified polyester resin on a substrate, and then forming a functional fine line including a deposit of functional microparticles and having a line width of 1 ?m or more and 10 ?m or less on the undercoat layer.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: May 11, 2021
    Assignee: Konica Minolta, Inc.
    Inventors: Masayoshi Yamauchi, Hidenobu Ohya, Takenori Omata, Naoto Niizuma
  • Patent number: 10987663
    Abstract: The present invention relates to a method for removing dyes from textile effluents and other organic substances using nanocomposites based on zinc hydroxides and carboxylic acids capable of adsorbing and degrading. More specifically, the present invention consists of a method to generate new zinc hydroxide-based materials, which allows removal and degradation of methylene blue and other organic compounds from wastewater from industrial effluents, particularly those from textile industry.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: April 27, 2021
    Assignee: UNIVERSIDAD DE CHILE
    Inventors: Leslie Gabriela Diaz Jalaff, Guillermo Antonio Alberto Gonzalez Moraga, Eglantina Javiera Benavente Espinosa, Harold Ivan Lozano Zarto, Sindy Milagros Devis Ruiz
  • Patent number: 10975232
    Abstract: The invention relates to an article having a single- or multi-layered main body having elastic properties, in particular an air spring bellows, a metal-rubber element or a vibration damper. In order to improve its flame retardant properties, the main body of the article consists of or contains at least one layer D constructed from a rubber mixture which is free from halogen-containing flame retardants and contains a first aluminum trihydrate (ATH_1) and at least one further aluminum trihydrate (ATH_2) and at least one amorphous silicic acid having spherical particle geometry, wherein the first aluminum trihydrate (ATH_1) and the further aluminum trihydrate (ATH_2) each have a different particle size.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: April 13, 2021
    Assignee: ContiTech Luftfedersysteme GmbH
    Inventors: Thorsten Leethaus, Dieter Borvitz, Klaus Schobert, Barbara Passon-Wesseloh, Jens Storre
  • Patent number: 10954386
    Abstract: It is an object of the present invention to provide a silicone rubber compatible with human bodies. A silicone admixture according to the present invention comprises a millable silicone rubber, a silicone high polymer having no cross-linking site, a vulcanizing agent, and a rubber reinforcing silica. A cured product obtained by curing the silicone admixture has loss tangent (Tan ?) of 0.3 or more and 0.6 or less at 0° C. to 50° C. The millable silicone rubber can be a millable silicone rubber produced in a wet manner and having high tear resistance. The silicone high polymer can be a dimethyl silicone high polymer.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: March 23, 2021
    Assignees: SMP Technologies Inc., Meinan Rubber Ind., Inc.
    Inventors: Shunichi Hayashi, Toshihiro Okamoto
  • Patent number: 10941318
    Abstract: To provide a means capable of suppressing the generation of gelation at the time of or after the addition of a silane coupling agent in the production of a cationically modified silica including modifying a silica raw material with a silane coupling agent. The present invention is a method for producing a cationically modified silica, including: mixing a silica raw material having a negative zeta potential with a silane coupling agent having an amino group or a quaternary cationic group; and reacting the silica raw material with the silane coupling agent to obtain a cationically modified silica, in which the cationically modified silica satisfies the following relational expression (1): X<Y??relational expression (1) in the relational expression (1), X is a pH value at which an isoelectric point is shown in the cationically modified silica, and Y is a pH value of the cationically modified silica.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: March 9, 2021
    Assignee: FUJIMI INCORPORATED
    Inventors: Souma Taguchi, Keiji Ashitaka, Naoya Miwa
  • Patent number: 10918578
    Abstract: According to one aspect of the present invention, a dental curable composition includes: polymerizable monomers; inorganic particles (A1) and/or inorganic particles (A2) (excluding the inorganic particles (A2); and inorganic particles (B). The inorganic particles (A1) are surface-treated with a compound expressed by a general formula (1) and have a volume-median particle size of greater than or equal to 0.1 ?m and less than or equal to 0.9 ?m. The inorganic particles (A2) are surface-treated with a compound expressed by a general formula (2) and have a volume-median particle size of greater than or equal to 0.1 ?m and less than or equal to 0.9 ?m.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: February 16, 2021
    Assignee: GC Corporation
    Inventors: Takayuki Murata, Takumasa Kimura, Yui Tei, Azusa Miyagawa
  • Patent number: 10865319
    Abstract: A method for producing an acrylic resin-coated silica particle dispersion by (1), mixing and heating silica particles (A), an organic solvent (B) and a monomer having a polymerizable unsaturated group and a hydrolyzable silyl group (C) to obtain a polymerizable unsaturated group-containing silica particle dispersion (i), (2) adding a tertiary amine (D) with a molecular weight of 120 to 380 and having a terminal alkyl and/or aryl group, to the component (i) dispersion, to obtain a polymerizable unsaturated group-containing silica particle dispersion (ii), and (3) reacting the component (ii) dispersion with a polymerizable unsaturated monomer (E), in a solid mass ratio of (ii):(E)=20:80 to 90:10, to obtain an acrylic resin-coated silica particle dispersion.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: December 15, 2020
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Kazuya Watanabe, Akinori Nagai
  • Patent number: 10865114
    Abstract: A process for preparing precipitated silica comprising a reaction of a silicate with an acidifying agent to obtain a suspension of precipitated silica, followed by a step of separation to obtain a cake and a step of drying said cake, wherein a step of compaction of said cake at a pressure greater than 10 bars is carried out between the step of separation and the step of drying.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: December 15, 2020
    Assignee: RHODIA OPERATIONS
    Inventors: Sylvaine Neveu, Anne-Laure Pinault
  • Patent number: 10830381
    Abstract: This disclosure aims to provide a hose rubber composition capable of ensuring the flame retardance and simultaneously achieving both the tear resistance and the flexibility after vulcanization. The hose rubber composition of this disclosure comprises a rubber component and a carbon black, wherein: a chloroprene rubber is contained at an amount of 60 parts by mass or more in 100 parts by mass of the rubber component; the carbon black is compounded at an amount of more than 30 parts by mass and less than 80 parts by mass per 100 parts by mass of the rubber component; and the carbon black contains 13 mass % or more of a specific carbon black having an iodine adsorption of 100 to 160 mg/g and a DBP oil absorption of 70 to 180 mL/100 g.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: November 10, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Youhei Tsunenishi
  • Patent number: 10828937
    Abstract: Disclosed herein are copolymers end-functionalized with functionalized silanes of specified structure, rubber compositions comprising the copolymer, and related processes for preparing the end-functionalized copolymer. The present disclosure also relates to tires having at least one component (e.g., a tread) containing the end-functionalized copolymer or a rubber composition thereof. The copolymer comprises 55-80% by weight of a conjugated diene monomer and 20-45% by weight of an aromatic vinyl monomer lacking any nitrogen substitution on its aromatic ring, wherein the total amount of conjugated diene monomer and aromatic vinyl monomer comprise 100% (of the total monomers in the copolymer), and the end-functionalization comprises at least one group having formula (I).
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: November 10, 2020
    Assignee: Bridgestone Corporation
    Inventor: Yuan-Yong Yan
  • Patent number: 10808081
    Abstract: A powder composition includes a plurality of thermoplastic particles and a plurality of flow promoting particles having an optimized flow, coalescence, or both; and methods of preparing three-dimensional articles and methods of preparing a powder coating, and articles prepared by the methods are described herein.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: October 20, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventor: Brian Price
  • Patent number: 10808107
    Abstract: A rubber composition for a tire contains: per 100 parts by mass of a diene rubber containing 50 parts by mass or greater of an emulsion-polymerized styrene-butadiene rubber having a bonded styrene content of 30 mass % or less, from 20 to 40 parts by mass of a butadiene rubber, and WN parts by mass of a natural rubber, WT parts by mass of an aromatic modified terpene resin and WS parts by mass of a silica. A ratio (WN/WS) of a compounded amount of the natural rubber (WN) to a compounded amount of the silica (WS) is from 0.4 to 1.0, and a ratio (WS/WT) of the compounded amount of the silica (WS) to a compounded amount of the aromatic modified terpene resin (WT) is from 2.0 to 5.0.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: October 20, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Ryosuke Takagi
  • Patent number: 10767047
    Abstract: The present invention relates to a polyamide molding compound comprising the following components or consisting of these components: (A) 50 to 95 wt % of a mixture comprising the specific polyamides (A1) and (A2); (B) 5 to 50 wt % of at least one glass filler having a refractive index in the range from 1.510 to 1.539; (C) 0 to 10 wt % of at least one additive; wherein the weight proportions of the components (A) to (C) add up to 100% by weight; wherein the content of (A1) in the mixture (A) is >50 wt %, if the ratio is ?2/?1>1 and the content of (A2) in the mixture (A) is >50 wt %, if the ratio is ?2/?1?1, where ?1=n(A1)?n(B) applies and ?2=n(B)?n(A2) applies; wherein the transparent polyamides (A1) and (A2) have a transparency of at least 90% and a haze of at most 3%; and wherein the mixture (A) has a transparency of at least 88% and a haze of at most 5%. The present invention furthermore relates to molded bodies composed of these polyamide molding compounds.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: September 8, 2020
    Assignee: EMS-Patent AG
    Inventors: Etienne Aepli, Botho Hoffmann, Heinz Hoff
  • Patent number: 10737531
    Abstract: A rubber composition based on one or more diene elastomer(s), on at least one reinforcing filler, on at least one coupling agent, on at least one chemical crosslinking system, wherein the reinforcing filler comprises silica in the form of essentially spherical nanoparticles, the specific surface area of this silica ranging from 30 m2/g to 250 m2/g. Also disclosed is a process for producing such a composition and also semi-finished or finished articles comprising at least one such composition.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: August 11, 2020
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Vincent Abad, Baptiste Foglieni, Flora Descombes, Salvatore Pagano
  • Patent number: 10717853
    Abstract: The disclosure relates to a composition for use in a number of applications including tires. The composition comprises a blend of a rubber component, reinforcing particulate fillers, and based on 100 parts by weight (phr) of the rubber component; from about 5 phr to about 70 phr of a terpene phenol resin having a softening point temperature in the range of from about 100° C. to about 170° C. and having a hydroxyl value in the range from about 5 to about 30. In one embodiment, the terpene phenol resin has a number average molecular weight of from about 700 Da to about 790 Da, a weight average molecular weight of from about 930 Da to about 1090 Da, and a polydispersity index of from about 1.25 to about 1.45.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: July 21, 2020
    Assignee: Kraton Chemical, LLC
    Inventors: Wolfgang Pille-Wolf, Jérémie Guillaume Pichereau, Hannes Hendrik Peter van Erp, Jeffrey R Warmkessel, Blaisdell Benedict Willis
  • Patent number: 10703887
    Abstract: The present disclosure provides a resin composition which contains: (A) a saponified ethylene-vinyl ester copolymer; and (B) a cinnamate; wherein the cinnamate (B) is present in a proportion of 0.01 to 10 ppm based on the amount of the saponified ethylene-vinyl ester copolymer (A). Therefore, the use of the resin composition makes it possible to produce a film which is highly transparent, capable of absorbing ultraviolet radiation of a specific wavelength range (e.g., UV-B and UV-C having a wavelength shorter than 320 nm) and free from an odor problem and the like.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: July 7, 2020
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Ryohei Komuro, Shouichi Kani
  • Patent number: 10703828
    Abstract: A rubber composition for tires of the present technology contains a diene rubber, silica, and a predetermined alkyltrialkoxysilane; the diene rubber containing a butadiene rubber and a particular conjugated diene rubber, a content of the butadiene rubber in the diene rubber being 20 mass % or greater and a content of the particular conjugated diene rubber in the diene rubber being from 30 to 80 mass %; an average glass transition temperature of the diene rubber being from ?65 to ?45° C.; the particular conjugated diene rubber being a conjugated diene rubber produced by a particular production method and having predetermined ranges of aromatic vinyl unit content, vinyl bond content, and weight average molecular weight.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: July 7, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Keisuke Maejima, Masaki Sato, Makoto Ashiura
  • Patent number: 10655008
    Abstract: This invention relates to a biodegradable polymer composition which is particularly suitable for use in the manufacture of articles having a high heat deflection temperature (HDT) by injection moulding and thermoforming.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: May 19, 2020
    Assignee: NOVAMONT S.P.A.
    Inventors: Nicola Marini, Angelos Rallis
  • Patent number: 10639933
    Abstract: Provided are a rubber composition for treads which achieves a balanced improvement in fuel economy, abrasion resistance, and wet grip performance while offering good processability, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for treads containing: a polybutadiene; and a terpene resin having a glass transition temperature (Tg) of 40° C. to 90° C., the polybutadiene satisfying the following conditions (A), (B) and (C): (A) a ratio (Tcp/ML1+4, 100° C.) of 5% by mass toluene solution viscosity (Tcp) to Mooney viscosity (ML1+4, 100° C.) is 0.9 to 2.3; (B) a stress relaxation time (T80) is 10.0 to 40.0 seconds, which is a time required for torque to decay by 80%, where 100% represents torque at the end of a ML1+4, 100° C. measurement; and (C) a molecular weight distribution (Mw/Mn) is 2.50 to 4.00.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: May 5, 2020
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Keiji Ikeda
  • Patent number: 10583693
    Abstract: A tire 22 includes a plurality of ribs 68 aligned in an axial direction. A rib 68s, among the plurality of ribs 68, disposed on an outer side in the axial direction is sectioned into a body portion 74 and a side portion 76 by a groove 72 that extends in a circumferential direction. The tire 22 includes a tread 26 and a pair of sidewalls 28. The sidewalls 28 extend almost inward from ends, respectively, of the tread 26 in a radial direction. The tread 26 includes a base layer 52, and a cap layer 54 disposed outward of the base layer 52 in the radial direction. The side portion 76 is formed by the cap layer 54 and a corresponding one of the sidewalls 28. The sidewall 28 is stacked on the cap layer 54 in the side portion 76.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: March 10, 2020
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Ikuo Atake
  • Patent number: 10584187
    Abstract: The invention relates to the use of an alkali metal salt derivative of a specific vinyl aromatic monomer, as an initiator for the copolymerisation of i) one or more conjugated diene monomers and ii) one or more vinyl aromatic monomers. Furthermore, the invention relates to a process for the preparation of a copolymer component comprising coupled copolymer and terminally modified copolymer, and to the copolymer component. Also, the invention relates to a method for preparing a rubber, and to the rubber. Moreover, the invention relates to a rubber composition comprising the rubber. Finally, the invention relates to a tire component comprising the rubber, and to a tire comprising the tire component.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: March 10, 2020
    Assignee: SYNTHOS S.A.
    Inventors: Bartlomiej Janowski, Radoslaw Kozak, Pawel Weda, Barbara Robak
  • Patent number: 10584235
    Abstract: A method for preparing a vulcanizable composition of matter, the method comprising mixing, within a first mixing step, rubber, silica, and silica coupling agent to form a first masterbatch composition, adding nicotinamide to the first masterbatch composition and mixing within a second mixing step to form a second masterbatch composition, and adding a curative to the second masterbatch composition and mixing within a final mixing step.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: March 10, 2020
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventor: Benjamin C. Galizio
  • Patent number: 10525775
    Abstract: Tire comprising a crown reinforcement formed of two working crown layers having unequal axial widths, layer C of rubber compound between ends of the working crown layers, layer S of polymer compound in contact with at least one working crown layer and in contact with the carcass reinforcement and the crown reinforcement comprising a layer of circumferential reinforcing elements arranged radially between two working crown layers. Distance d between the end of the axially narrowest working layer and the working layer separated from the axially narrowest working layer by the layer C is 1.1ø<d<2.2ø, ø being the diameter of the reinforcing elements of the layer of circumferential reinforcing elements, in a meridian plane. The thickness of layer C is substantially constant and the complex dynamic shear modulus G*, measured at 10% and 60° C. on the return cycle, of layer S is greater than 1.35 MPa.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: January 7, 2020
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Hichem Rehab, Jean-François Parmentier
  • Patent number: 10494515
    Abstract: According to the process for preparing a vulcanized rubber composition of the invention comprising (a) a step of preparing a master batch comprising a modified conjugated diene polymer and silica, (b) a step of preparing a master batch comprising an isoprene rubber and silica, (c) a step of kneading the master batch obtained in (a) and the master batch obtained in (b), and (d) a step of vulcanizing a kneaded product obtained in (c), wherein the obtained vulcanized rubber composition comprises a phase A comprising a modified conjugated diene polymer and a phase B comprising an isoprene rubber, which are incompatible with each other, an abundance ratio ? of silica in the phase A satisfies 0.5???0.9 (Relation 1), and a proportion ? of the modified conjugated diene polymer satisfies 0.4???0.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: December 3, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Mikako Takenaka, Ryoji Kojima
  • Patent number: 10457752
    Abstract: According to an aspect of the invention, a curable rubber composition is provided which includes a high molecular weight diene elastomer; optionally, a carbon black composition; a silica composition; and a farnesene polymer comprising farnesene monomers. The farnesene polymer is modified with at least one silane group, has a number average molecular weight of 1,000 g/mol to 100,000 g/mol, and has a glass transition temperature of equal to or less than ?50° C. According to another aspect of the invention, a method for producing a rubber composition for use in a tire is provided. The method includes forming a composition by mixing a farnesene polymer modified with at least one silane group, a silica composition, a high molecular weight diene elastomer, and optionally a carbon black composition, the farnesene polymer comprising farnesene monomers; and curing the composition.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: October 29, 2019
    Assignee: FINA TECHNOLOGY, INC.
    Inventors: Steven K. Henning, Jean-Marc Monsallier, Nan Tian
  • Patent number: 10438718
    Abstract: A method comprising at least a step of preparing a silane master batch by melt-kneading a base resin (RB) containing a non-aromatic organic oil, an organic peroxide, an inorganic filler, and a silane coupling agent, in specific mass ratio, and a step of mixing the silane master batch and a silanol condensation catalyst or a silane master batch; a heat-resistant silane crosslinked resin molded body and a heat-resistant silane crosslinkable resin composition prepared by the method, and a silane master batch and a heat-resistant product.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: October 8, 2019
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Arifumi Matsumura, Masaki Nishiguchi
  • Patent number: 10421842
    Abstract: A preparation method of a rubber composition for a tire assures that good processability can be obtained even if a silane coupling agent having a mercapto group is blended. The preparation method of a rubber composition for a tire is characterized by initiating kneading of a rubber component and a compound represented by the following formula (1) before kneading the rubber component and a silane coupling agent having a mercapto group. (Wherein each of R1 to R4 independently represents a straight-chain or branched chain alkyl group having 1 to 18 carbon atoms or a cycloalkyl group having 5 to 12 carbon atoms.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: September 24, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Tatsuhiro Tanaka, Takayuki Nagase, Keiji Ikeda
  • Patent number: 10414906
    Abstract: The present invention aims to provide pneumatic tires that can achieve both abrasion resistance and low heat build-up properties. The present invention relates to a pneumatic tire including a tread formed from a rubber composition, the rubber composition containing: a rubber component including an isoprene-based rubber and a high-cis polybutadiene rubber having a cis content of 90% by mass or more; one or more types of carbon black; and sulfur, at least one of the one or more types of carbon black being produced from a feedstock oil that has a BMCI value of 150 or less and an aliphatic hydrocarbon content of 30% by mass or more, the BMCI value being calculated from the average boiling point T (° C.) and the specific gravity D (60/60° F.) relative to water at 60° F. according to the equation below, BMCI=48,640/(T+273)+473.7D?456.8.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: September 17, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Ryota Kitago, Takayuki Nagase, Yuuki Kawana, Takayuki Hattori, Takao Wada, Soh Ishino, Yuhei Yamashiro, Masaki Oshimo, Masanobu Nakamura
  • Patent number: 10407517
    Abstract: A rubber composition for tires of the present technology contains a diene rubber, silica, a silane coupling agent, a fatty acid metal salt, and a predetermined alkyltrialkoxysilane; the diene rubber containing 60 mass % or greater of a modified conjugated diene rubber and 30 mass % or greater of a particular conjugated diene rubber which corresponds to a part or all of the modified conjugated diene rubber; an average glass transition temperature of the diene rubber being from ?45 to ?20° C.; the particular conjugated diene rubber being a conjugated diene rubber produced by a particular production method and having predetermined ranges of aromatic vinyl unit content, vinyl bond content, and weight average molecular weight.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: September 10, 2019
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Yusuke Iizuka, Hiroki Sugimoto, Makoto Ashiura
  • Patent number: 10357998
    Abstract: A tire tread comprises a rubber composition based on at least one natural or synthetic polyisoprene, at a content ranging from 50 phr to 100 phr, a reinforcing filler comprising predominantly, by weight, inorganic filler, a coupling agent, a plasticizing agent at a content of less than or equal to 10 phr and a sulphur-based crosslinking system. The composition contains a zinc content ranging from 0.7 to 2 phr.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: July 23, 2019
    Assignee: Compagnie Generale Des Etablissements Michelin
    Inventors: Damien Thomasson, Perrine Vallat, Jean-Philippe Weber
  • Patent number: 10351697
    Abstract: A method for manufacturing a tire rubber composition includes kneading a rubber component, a silane coupling agent and a silica having a BET specific surface area of 210 m2/g or more, adding a vulcanization accelerator to a first kneaded material including the rubber component, silane coupling agent and silica, kneading a first resulting mixture including the rubber component, silane coupling agent, silica and vulcanization accelerator such that a second kneaded material including the rubber component, silane coupling agent, silica and vulcanization accelerator is obtained, adding a vulcanization agent to the second kneaded material including the rubber component, silane coupling agent, silica and vulcanization accelerator, and kneading a second resulting mixture including the rubber component, silane coupling agent, silica, vulcanization accelerator and vulcanization agent. The first kneaded material has a pH of 6.5 or less, and the second kneaded material has a pH of 8.0 or more.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: July 16, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Yuka Yokoyama
  • Patent number: 10308746
    Abstract: Disclosed is a conjugated diene polymer comprising a conjugated diene as a monomeric unit. The conjugated diene polymer is obtained by a polymerization reaction in a reaction solution comprising a conjugated diene, at least one compound selected from the group consisting of limonene, terpinene, and terpinolene, and an organoalkali metal compound as a polymerization initiator. Mz/Mn is 1.7 or more and 4.0 or less, when Mz is a Z-average molecular weight of the conjugated diene polymer, Mn is a number average molecular weight of the conjugated diene polymer, and the Z-average molecular weight and the number average molecular weight are values in terms of polystyrene by gel permeation chromatography.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: June 4, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Koichiro Tajima
  • Patent number: 10308073
    Abstract: A tire with radial carcass reinforcement, comprising a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, the said tread comprising at least two radially superposed layers of polymer compound, a first layer of filled elastomeric compound, constituting the radially outer part of the tread, has a macrodispersion score Z higher than 80 and a maximum tan(?) value, denoted tan(?)max, lower than 0.130 and a second layer of elastomeric compound radially on the inside of the said first layer of elastomeric compound has an elongation at break at 60° C. that is higher than 600%.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: June 4, 2019
    Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.
    Inventors: Philippe Gervais, Alain Durand
  • Patent number: 10294349
    Abstract: Provided is a rubber composition for tires which can prevent discoloration and improve ozone resistance while maintaining or improving good elongation at break, and further can be produced with high efficiency. Also provided are a pneumatic tire formed from the same, and a method for producing the same. Included is a rubber composition for tires, including: a rubber component; a phenylenediamine antioxidant; and a masterbatch, the masterbatch containing a specific nonionic surfactant and a silica having a BET value of 40-250 m2/g at a mass ratio of 1:5 to 1:0.15, the rubber component containing a diene rubber in an amount of 70-100% by mass per 100% by mass of the rubber component, the rubber composition including, per 100 parts by mass of the rubber component, 1.0-10.0 parts by mass of the phenylenediamine antioxidant and 0.1-5.0 parts by mass of the nonionic surfactant introduced in the form of the masterbatch.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: May 21, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Tatsuya Miyazaki, Ryuichi Tokimune
  • Patent number: 10253180
    Abstract: The invention relates to thermoplastic elastomer compositions comprising a blend of a thermoplastic urethane polymer and a silicone composition, and to a process for forming a vulcanized thermoplastic elastomer composition. The thermoplastic elastomer composition comprises a blend of a thermoplastic organic polymer comprising a urethane polymer and (B) a silicone composition comprising (B1) a silicone base comprising (B1a) a diorganopolysiloxane gum having an average of at least 2 alkenyl groups per molecule and (B1b) from 1 to 50% by weight based on the diorganopolysiloxane gum (B1a) of a reinforcing filler, and (B2) an organohydrido silicone compound which contains an average of at least 2 silicon-bonded hydrogen groups per molecule, wherein the weight ratio of the thermoplastic organic polymer (A) to the silicone composition (B) is in the range 55:45 to 80:20.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: April 9, 2019
    Assignee: Multibase SA
    Inventors: Sylvain Boucard, Yann Gradelet
  • Patent number: 10233311
    Abstract: The invention relates to preparation of a precipitated silica reinforced rubber composition which contains styrene/butadiene elastomer modified with a combination of bis(3-triethoxysilylpropyl) polysulfide silica coupler and mercaptoorganoalkoxysilane, a rubber composition thereof and a tire with a component of such rubber composition.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: March 19, 2019
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Liqing Ma, Bruce Raymond Hahn, George Jim Papakonstantopoulos, Eric Sean Castner, Dan Qu, Paul Harry Sandstrom
  • Patent number: 10215176
    Abstract: A stator for use in a positive displacement motor. The stator comprises a rubber compound including fiber reinforcement. The fiber reinforcement includes a plurality of elongated fibers. The elongated fibers in the fiber reinforcement create a grain direction generally with the grain in the longitudinal direction of the stator tube and across the grain in the transverse direction. The rubber compound has a 25% tensile Modulus that is at least 10% lower across the grain than with the grain. The fiber reinforcement includes a fiber loading of greater than about 2.5 phr of elongate fibers, the elongate fibers have a Modulus of greater than about 60 GPa, and the rubber compound has a 25% tensile Modulus of greater than about 400 psi against the grain and a 50% tensile Modulus of greater than about 700 psi against the grain. In some embodiments, the rubber reinforcement also comprises a blend of fibrillated fibers and short cut fibers.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: February 26, 2019
    Assignee: Basintek, LLC
    Inventors: Peter Thomas Cariveau, Robert Bohmer
  • Patent number: 10214633
    Abstract: This invention relates to heavy duty pneumatic rubber tires with treads intended for use on diverse surfaces, particularly for off-the-road service.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: February 26, 2019
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Ryan Michael Schmidt, Paul Harry Sandstrom
  • Patent number: 10106674
    Abstract: [PROBLEM] To provide a method for manufacturing a rubber composition that will serve as raw material for vulcanized rubber which excels in tear resistance, wet performance, and ability to achieve reduced heat generation. [SOLUTION MEANS] Manufacture of a tire or of a rubber composition by means of a method comprising an operation in which (a) a wet master batch comprising a first rubber and a first carbon black, (b) a second rubber comprising styrene-butadiene rubber, and (c) a second carbon black are dry-blended together under specific conditions.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: October 23, 2018
    Assignee: TOYO TIRE & RUBBER CO., LTD.
    Inventor: Chiya Nishimura
  • Patent number: 10072114
    Abstract: A modified conjugated diene polymer obtained by modifying a conjugated diene polymer that is obtained by polymerizing a conjugated diene compound or polymerizing a conjugated diene compound and an aromatic vinyl compound is produced by a production method comprising a first modification step wherein an unsaturated binding site at least either in the skeleton or at the side chain of the conjugated diene polymer is reacted with a first compound having a group 4 or 13 element of the periodic table.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: September 11, 2018
    Assignee: JSR CORPORATION
    Inventors: Hiroyuki Morita, Takahiro Kawai, Takeshi Yuasa, Koichiro Tani, Koji Okada, Ryoji Tanaka
  • Patent number: 10066076
    Abstract: Disclosed are a method for preparing a conjugated diene polymer including synthesizing an initiator having an anionic end containing an amine and a cationic end containing an alkali metal, polymerizing a combination of an aromatic vinyl monomer using the initiator to synthesize a polymer having a modified end, coupling or reacting the polymer with a compound having at least one silyl group substituted by an alkoxy group and a nitrogen atom to prepare a modified conjugated diene polymer having one end containing amine and the other end containing silyl group substituted by one or more alkoxy group and a nitrogen atom, and a rubber composition comprising the conjugated diene polymer and silica as a reinforcing agent and thus exhibiting superior heat generation, tensile strength, abrasion resistance and wet skid resistance.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: September 4, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Ro Mi Lee, Sang Mi Lee, Heung Yeal Choi, Yu Jin Kim, Moon Seok Chun
  • Patent number: 10035891
    Abstract: This present invention discloses a modified thermoplastic polyurethane (TPU) rolling film and relates to a preparation method thereof. The modified thermoplastic polyurethane (TPU) rolling film comprises: 100 parts by weight of TPU resin, 3 to 8 parts by weight of Thermoplastic polyolefin (TPO) resin, 5 to 10 parts by weight of Thermo Plastic Silicone Vulcanizate (TPSiV) resin, 5 to 15 parts by weight of TPU color masterbatch, 0.5 to 1.5 parts by weight of antioxidant, 0.5 to 1.5 parts by weight of light stabilizer, 10 to 15 parts by weight of flame retardant, and 0.03 to 0.1 parts by weight of compound lubricant. This kind of rolling film has a uniform thickness and high surface gloss, and is yellowing resistant, abrasion resistant, flame retardant, and low-temperature resistant.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: July 31, 2018
    Assignee: FUZHOU UNIVERSITY
    Inventors: Yuying Zheng, Jinxian Lin
  • Patent number: 10035903
    Abstract: Rubber formulations include a rubber and a norbornylized seed oil. The norbornylized seed oil is a seed oil that is modified with norbornylene groups. The norbornylized seed oil can replace petroleum oils currently often used in rubber formulations. A process for creating a rubber formulation includes the steps of adding a norbornylized seed oil to a rubber, wherein the norbornylized seed oil is a seed oil modified with norbornylene groups.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: July 31, 2018
    Assignee: The University of Akron
    Inventors: Mark Soucek, Avraam Isayev
  • Patent number: 10014596
    Abstract: A conductor terminal with an insulating housing that has a conductor insertion opening for inserting an electrical conductor and a contact pin insertion opening for inserting a contact pin, with a clamping spring for clamping an electrical conductor, wherein the clamping spring has a clamping leg with a clamping edge oriented so as to rest against the electrical conductor to be clamped, has a spring bend, and has a support leg, wherein the conductor insertion opening leads to the clamping edge in order to guide the electrical conductor to a clamping point formed by the clamping edge, and wherein the contact pin insertion opening extends into the interior of the insulating housing in the opposite direction to the conductor insertion opening and leads to the support leg in order to guide the contact pin for clamping to the support leg.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: July 3, 2018
    Assignee: WAGO Verwaltungsgesellschaft mbH
    Inventor: Frank Hartmann
  • Patent number: 9988515
    Abstract: Disclosed are a method for preparing a conjugated diene polymer including synthesizing an initiator having an anionic end containing an amine and a cationic end containing an alkali metal, polymerizing a combination of an aromatic vinyl monomer using the initiator to synthesize a polymer having a modified end, coupling or reacting the polymer with a compound having at least one silyl group substituted by an alkoxy group and a nitrogen atom to prepare a modified conjugated diene polymer having one end containing amine and the other end containing silyl group substituted by one or more alkoxy group and a nitrogen atom, and a rubber composition comprising the conjugated diene polymer and silica as a reinforcing agent and thus exhibiting superior heat generation, tensile strength, abrasion resistance and wet skid resistance.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: June 5, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Ro Mi Lee, Sang Mi Lee, Heung Yeal Choi, Yu Jin Kim, Moon Seok Chun
  • Patent number: 9976005
    Abstract: The application relates to a composition and manufacturing and a use of a composite structure having vibrational properties and to a product thereof. According to an embodiment a composition comprises a matrix material and organic natural fiber material, wherein speed of sound is arranged to be different in different directions in the composition.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: May 22, 2018
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Harri Kosonen, Sami Turunen, Jere Salminen, Petri Myllytie, Kari Luukko, Stefan Fors
  • Patent number: 9856368
    Abstract: A sulfur-crosslinkable rubber mixture, in particular for pneumatic vehicle tires, straps, belts, and hoses, is disclosed which exhibits, among other things, improved rolling resistance behavior. The rubber mixture contains at least the following constituents: 5 to 95 phr of at least one styrene-butadiene rubber, which is functionalized with phthalocyanine groups and/or hydroxy groups and/or epoxy groups and/or silane-sulfide groups and the styrene content of which is 0 to 12 wt % and which has a glass transition temperature (Tg) according to DSC of ?75 to ?120° C. in the unvulcanized state, 5 to 95 phr of at least one further rubber, and 20 to 300 phr of at least one silica.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: January 2, 2018
    Assignee: Continental Reifen Deutschland GmbH
    Inventors: Katharina Herzog, Carla Recker, Viktoria Pavon Sierra, Norbert Kendziorra, Thomas Kramer, Thorsten Torbruegge, Norbert Mueller
  • Patent number: 9815972
    Abstract: To provide a fluoro-rubber composition whereby good hardness and good elongation are obtainable in a rubber article after cross-linking, and a cross-linked rubber article using the same. A fluoro-rubber composition comprising a fluoro-rubber, a hydrophobic silica and a cross-linking agent, wherein the hydrophobic silica is one having hydrophobized with hexamethyldisilazane or silicone oil, and the content of the hydrophobic silica is from 1 to 50 parts by mass and the content of the cross-linking agent is from 0.1 to 5 parts by mass, per 100 parts by mass of the fluoro-rubber; and a cross-linked rubber article obtained by cross-linking such a fluoro-rubber composition.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: November 14, 2017
    Assignee: Asahi Glass Company, Limited
    Inventors: Takeshi Yamada, Ken Iruya