Patents Examined by Jeffrey S Lenihan
  • Patent number: 10604598
    Abstract: A method for producing a (meth)acryloyl-terminated polyisobutylene polymer includes a step 1 of polymerizing an isobutylene monomer under the presence of a Lewis acid catalyst to prepare a halogen-terminated polyisobutylene polymer (B), a step 2 of reacting the halogen-terminated polyisobutylene polymer (B) with a compound (C) having a halogen group and a phenoxy group under the presence a Lewis acid catalyst to prepare a halogenated phenoxyalkyl-terminated polyisobutylene polymer (D), and a step 3 of reacting the halogenated phenoxyalkyl-terminated polyisobutylene polymer (D) with an acrylic acid compound (E) to prepare the (meth)acryloyl-terminated polyisobutylene polymer (A).
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: March 31, 2020
    Assignee: KANEKA CORPORATION
    Inventor: Yoshihiro Ikari
  • Patent number: 10590267
    Abstract: A method for preparing a vulcanizable composition of matter, the method comprising mixing rubber, silica, silica coupling agent, a strong base, and nicotinamide to form a masterbatch, introducing a curative to the masterbatch, and mixing the curative into the masterbatch to form a vulcanizable composition of matter.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: March 17, 2020
    Assignee: Bridgestone Americas Tire Operations, LLC
    Inventors: Benjamin C. Galizio, Maryangel G. Dunlavy
  • Patent number: 10584197
    Abstract: A composition includes a fluoroelastomer, a crosslinking initiator, and a crosslinking agent. The crosslinking agent comprises a compound that comprises two or more structures represented by a formula (3), wherein R1, R2, and R3 are independently a hydrogen atom, a fluorine atom, an alkyl group, a fluoroalkyl group, or a substituted or unsubstituted aryl group, a plurality of R1 are identical to or different from each other, a plurality of R2 are identical to or different from each other, a plurality of R3 are identical to or different from each other, provided that at least one of R1, R2, and R3 is a hydrogen atom, and at least one of R1, R2, and R3 is a fluorine atom or a fluorine atom-containing group; n are independently an integer from 1 to 5; and each hydrogen on the benzene rings may be substituted.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: March 10, 2020
    Assignee: NICHIAS CORPORATION
    Inventors: Tomoya Shimizu, Ayumi Maezawa, Yuriko Sekimoto
  • Patent number: 10584267
    Abstract: The invention features a hot melt adhesive composition that can be applied at temperatures as low as 107° C., while maintaining excellent bonding under stress and a very fast setting time.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: March 10, 2020
    Assignee: H.B.Fuller Company
    Inventors: Richard B. Sergeant, Thomas F. Kauffman
  • Patent number: 10584190
    Abstract: Disclosed is a composition including a network of cross-linked polymers. The network is prepared by one of the following radical copolymerisations. First, there is copolymerization of monomers, polymer of interest precursors, the monomers carrying at least one functional group that is polymerisable by radical polymerization. Second, there is copolymerization of monomers comprising at least one pending imine group and carrying at least one functional group that is polymerisable by radical polymerisation; and/or monomers comprising at least one pending aldehyde group and carrying at least one functional group that is polymerisable by radical polymerization. Third, there is a copolymerization of a cross-linking agent comprising aldehyde and/or imine groups enabling the formation of a cross-linked polymer network containing pending functions and cross-links that are exchangeable by aldehyde-imine exchange reactions and/or by imine-imine exchange reactions.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: March 10, 2020
    Assignee: ECOLE SUPERIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARIS
    Inventors: Ludwik Leibler, Renaud Nicolay, Max Rottger
  • Patent number: 10570287
    Abstract: Disclosed is a non-aqueous dispersant which is a graft copolymer comprising a constitutional unit represented by the following general formula (II) and at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I?), or which is a block copolymer comprising a block portion containing a constitutional unit represented by the following general formula (III) and a block portion containing at least one kind selected from the group consisting of a constitutional unit represented by the following general formula (I) and a constitutional unit represented by the following general formula (I?):
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: February 25, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Michihiro Ogura, Tomoki Murata, Fumiyasu Murakami, Masato Okada, Hiroaki Segawa
  • Patent number: 10570274
    Abstract: A rubber composition for a tire contains: 100 parts by mass of a diene rubber (A); from 30 to 100 parts by mass of a filler (B); from 0.3 to 30 parts by mass of a crosslinkable component (C) that is not miscible with the diene rubber (A); and a fibrillated fiber (D). The fibrillated fiber (D) is dispersed in advance in the crosslinkable component (C) in a proportion of 0.1 to 10 mass % of the crosslinkable component (C), and the crosslinkable component (C) is a polyether-based, polyester-based, polyolefin-based, polycarbonate-based, aliphatic-based, saturated hydrocarbon-based, acrylic-based, or plant-derived polymer or copolymer.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: February 25, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Kazushi Kimura, Naoya Amino, Masaki Sato
  • Patent number: 10556974
    Abstract: A curable and hygroscopic resin composition for sealing electronic devices, having at least a (meth)acrylate oligomer (a) having the number-average molecular weight of 1,500 to 5,000, a low molecular weight (meth)acrylate (b) having an average molecular weight of 170 to 500, a moisture-reactive organometallic compound (c), and a polymerization initiator (d), wherein the (meth)acrylate oligomer (a) and the low molecular weight (meth)acrylate (b) are multifunctional (meth)acrylates in which the number of (meth)acryloyl groups is from 1.5 to 3 in one molecule of each of the (meth)acrylate oligomer (a) and the low molecular weight (meth)acrylate (b); a sealing resin; and an electronic device.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: February 11, 2020
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tetsuya Mieda, Takumi Asanuma, Yasushi Ishizaka
  • Patent number: 10557848
    Abstract: Provided are novel polymer particles for carrying a physiologically active substance and a method of preparing the same. The polymer particles for carrying a physiologically active substance can provide an analytical reagent, which has high analytical precision and sensitivity and can be stably prepared; can easily and precisely control the amount of functional groups carrying the physiologically active substance; can introduce, onto the surface of latex particles, a hydrophilic compound for inhibiting a nonspecific reaction; and can be prepared to have a narrow and uniform particle size distribution.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: February 11, 2020
    Assignees: LSI MEDIENCE CORPORATION, NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Atsushi Kadowaki, Tatsuo Taniguchi, Yusuke Sasaki, Naho Konishi
  • Patent number: 10544289
    Abstract: A process for producing a wet rubber masterbatch comprises a step (I) of dispersing a filler into a dispersing solvent to produce a filler-containing slurry solution, and a step (II) of adding a rubber latex solution to the filler-containing slurry solution to yield a filler-containing rubber latex solution, and stirring the yielded filler-containing rubber latex solution while heating the filler-containing rubber latex solution, thereby solidifying the filler-containing rubber latex solution, and a step (III) of stirring the resultant while adding an acid thereto, thereby solidifying the filler-containing rubber latex solution. In the step (II), the circumferential speed of a stirring impeller which a mixing tank used at the time of the stirring has is less than 10 m/s, and a calorie of 25 to 250 J both inclusive per unit period and unit mass is given to the filler-containing rubber latex solution by the heating.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: January 28, 2020
    Assignee: Toyo Tire Corporation
    Inventors: Kenji Nomura, Makoto Tanaka
  • Patent number: 10513150
    Abstract: The present invention relates to comb block copolymers, combining an elastomeric backbone and rigid pendent blocks and thus having thermoplastic elastomer properties. The invention targets in particular comb block copolymers which may be used as a material as is. According to the invention, the comb block copolymer is a diene/polypropylene thermoplastic elastomer copolymer, characterized in that it consists of a backbone, said backbone being derived from a diene elastomer, and in that it comprises from 5% to 50% by weight, relative to the total weight of the copolymer, of pendent semicrystalline polypropylene groups distributed along the backbone. Another subject of the invention is the process for preparing same, and the compositions comprising same. Finally, a subject of the invention is a tire, one of the constituent elements of which comprises such a composition.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: December 24, 2019
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Séverin Dronet, Julien Thuilliez
  • Patent number: 10513619
    Abstract: An ink includes a solvent and a resin, wherein the storage elastic modulus G1 of an ink film obtained by drying the ink is 2.0×108-5.0×108 Pa at 20 degrees C. as measured by a dynamic viscoelasticity measuring method and the ratio (G2/G1) of the storage elastic modulus G1 to the storage elastic modulus G2 of the ink film measured at 80 degrees C. by the dynamic viscoelasticity measuring method is 0.30-0.85.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: December 24, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Satoyuki Sekiguchi, Daisuke Asahina, Yuusuke Fujita
  • Patent number: 10513574
    Abstract: The present invention relates to: (1) a graft polymer that has a polyolefin (A) as the main chain, and a polymer (B) polymerized a dye (b) having a radical reactive functional group, in a side chain; (2) the graft polymer which is characterized in that the dye (b) having the radical reactive functional group is a cationic rhodamine derivative, a cationic triarylmethane-type dye derivative or a cationic cyanine-type dye derivative, having an ethylenically unsaturated group; (3) a colored resin consisting of the graft polymer; as well as (4) a method for producing the colored resin, which is characterized by mixing the polyolefin (A), the dye (b) having the radical reactive functional group, and the radical reaction initiator (C), and subjecting a radical reaction of the mixture; and the like.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: December 24, 2019
    Assignees: FUJIFILM WAKO PURE CHEMICAL CORPORATION, RHOMBIC CORPORATION
    Inventors: Tatsuhiko Kimura, Masayuki Tomida, Taeyeon Kim, Yosuke Suzuki, Masahiro Takano
  • Patent number: 10500339
    Abstract: The present invention relates to an impregnation process for a fibrous substrate, a liquid composition for implementing this process and the obtained impregnated fibrous substrate. The impregnated fibrous substrate is suitable for manufacturing mechanical or structured parts or articles. In particular the present invention deals with an industrial process for impregnating a fibrous substrate or long fibers with a viscous liquid composition containing mainly methacrylic, vinylic or acrylic components either in form of monomers or polymers. This viscous composition is called hereafter liquid monomer syrup. The invention concerns also a fibrous substrate pre-impregnated with said syrup which is useful for manufacturing mechanical or structured parts or articles. More particular the impregnation of fibrous substrate with the monomer syrup is achieved in a mould.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: December 10, 2019
    Assignee: Arkema France
    Inventors: Pierre Gerard, Michel Glotin, Sebastien Taillemite
  • Patent number: 10487169
    Abstract: A method for producing a propylene-based block copolymer produces a propylene-based copolymer that exhibits excellent stereoregularity, rigidity, and impact resistance in a convenient and efficient manner while achieving high polymerization activity. The method for producing a propylene-based block copolymer includes bringing a catalyst into contact with propylene, or propylene and an ?-olefin, and bringing an electron donor compound into contact with the resulting product to produce a propylene-based block copolymer, the catalyst including a solid catalyst component that includes titanium, magnesium, a halogen, and an internal electron donor compound, a specific organoaluminum compound, and a specific external electron donor compound.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: November 26, 2019
    Assignee: TOHO TITANIUM CO., LTD.
    Inventors: Masafumi Imai, Toshihiko Sugano, Toshiya Uozumi, Yuta Haga
  • Patent number: 10479856
    Abstract: A method for producing a propylene-based block copolymer produces a propylene-based copolymer that exhibits excellent stereoregularity, rigidity, and impact resistance in a convenient and efficient manner while achieving high polymerization activity. The method for producing a propylene-based block copolymer includes bringing a catalyst into contact with propylene, or propylene and an ?-olefin, and bringing an electron donor compound into contact with the resulting product to produce a propylene-based block copolymer, the catalyst including a solid catalyst component that includes titanium, magnesium, a halogen, and an internal electron donor compound, a specific organoaluminum compound, and a specific external electron donor compound.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: November 19, 2019
    Assignee: TOHO TITANIUM CO., LTD.
    Inventors: Masafumi Imai, Toshihiko Sugano, Toshiya Uozumi, Yuta Haga
  • Patent number: 10450397
    Abstract: The present invention relates to a process for preparing a polymer with a mass Mw of less than 300 000 g/mol (especially between 1000 and 300 000 g/mol), comprising a step (E) of controlled radical polymerization in which the following are placed in contact in an aqueous medium in which are dispersed surfactant micelles: ethylenically unsaturated hydrophilic monomers predominantly present in the aqueous medium; partially water-soluble ethylenically unsaturated hydrophobic monomers different from the preceding monomers, at least partly present in the surfactant micelles, and having a solubility in the aqueous medium at least equal to that of hexyl acrylate; at least one radical polymerization initiator; and at least one radical polymerization control agent.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: October 22, 2019
    Assignee: RHODIA OPERATIONS
    Inventors: Simon Harrisson, James Wilson
  • Patent number: 10450396
    Abstract: An acrylic film having few fish eyes and a method for producing latex of an acrylic rubber-containing polymer having low amounts of coarse particles, excellent filtering properties, and low filter clogging frequency during a filtration step for removing foreign substances are provided. An acrylic film containing an acrylic rubber-containing polymer (G) has a thickness of 30 to 300 ?m, wherein the number of fish eyes that are 0.001 mm2 or greater in size is 130/m2 or fewer when a section having a light transmission rate of 75% or less for light having a wavelength of 400 to 1100 nm was detected as a fish eye.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: October 22, 2019
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Naomi Hara, Masato Yamamoto, Hidehito Shimonaka, Yuuhei Konokawa
  • Patent number: 10442936
    Abstract: The invention relates to aqueous coating compositions based on an aqueous polymer dispersion as binder, having high performance levels of resistance to stains and dirt without specialist functional monomers. Said aqueous polymer dispersion having an MFFT between 0 and 50° C. comprises polymer particles obtained by emulsion polymerization in at least two steps with at least two polymer phases P1 and P2, P1 representing from 75 to 90% by weight of P1+P2 having a Fox Tg1 from 0 to 40° C. and P2 having a Fox Tg2 from 0 to 40° C., said polymer P2 representing from 10 to 25% by weight of the sum of polymers P1 and P2 and having a calculated Hansch parameter <2.0 and at least one ethylenically unsaturated monomer bearing an acetoacetoxy and/or amine or ureido functional group, said acetoacetoxy and/or amine or ureido functional group being borne by the external surface of P2 phase.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: October 15, 2019
    Assignee: Arkema France
    Inventors: Alain Boone, Jerome Mazajczyk, Gregory A. Delmas, Claire Chambat
  • Patent number: 10435530
    Abstract: An object of the present invention is to provide expanded beads capable of producing an expanded beads molded article that is excellent in in-mold moldability and is excellent with good balance in lightweight property, flexibility, repulsion, restorability, and tensile characteristics, and an expanded beads molded article using the expanded beads. The expanded beads molded article of the present invention is produced by subjecting the crosslinked expanded beads of the present invention, to in-mold molding. The expanded beads molded article of the present invention may have an apparent density of from 40 to 150 g/L.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: October 8, 2019
    Assignee: JSP Corporation
    Inventors: Shota Takagi, Masaharu Oikawa