Patents Examined by Kelechi Egwim
  • Patent number: 9340699
    Abstract: An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol % of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine functional groups and is obtained by a controlled radical polymerisation of at least one vinyl monomer via a reversible addition-fragmentation chain transfer mechanism in solution in the presence of a control agent and a source of free radicals; wherein said vinyl polymer is obtained by emulsion polymerisation of vinyl monomers in the presence of the vinyl oligomer; wherein the weight % ratio of vinyl oligomer to vinyl polymer is in the range of from 0.5:99.5 to 65:35.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: May 17, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus Schellekens, John Geurts, Tijs Nabuurs, Gerardus Cornelis Overbeek
  • Patent number: 9321903
    Abstract: The present invention relates to the use of a polyolefin composition for water pipes or fittings with increased resistance to degradation caused by chlorine dioxide-containing water, particularly to the use of a combination of particular types of antioxidants for increasing the resistance of a polyolefin composition against degradation caused by contact with chlorine dioxide-containing water.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: April 26, 2016
    Assignee: Borealis AG
    Inventors: Martin Anker, Tanja Piel
  • Patent number: 9315643
    Abstract: A self-priming spackling compound includes between about 35% by weight and about 65% by weight acrylic latex resin, between about 20% by weight and about 50% by weight filler material, and between about 1% by weight and about 20% by weight water. In certain aspects, the latex resin may have an average latex particle size of less than about 0.18 microns, a minimum film formation temperature of less than about 15 degrees Celsius, and/or a glass transition temperature (Tg) of less than about 25 degrees Celsius. To further enhance the self-priming performance of the spackling compound, the formulation may further comprise a colorant such as titanium dioxide.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: April 19, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: John E. Gozum, Hal A. LaFleur, III
  • Patent number: 9309137
    Abstract: Scale inhibitor compositions and methods of inhibiting scale formation generally include a tagged scale inhibiting (co)polymer including at least one scale inhibiting moiety and an imidazole moiety. The imidazole moiety fluoresces at a wavelength of about 424 nm and can be used to detect the amount of scale inhibitor present.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: April 12, 2016
    Assignee: Kemira Chemicals Inc.
    Inventors: Lucas Moore, Laura Clapp
  • Patent number: 9309446
    Abstract: The present invention relates to a photosensitive adhesive composition that has thermal press bondability to an adherent after being patterned by exposure and development and enables alkali development, wherein a storage elastic modulus at 110° C. after exposure and further heat curing is not less than 10 MPa.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: April 12, 2016
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Kazuyuki Mitsukura, Takashi Kawamori, Takashi Masuko, Shigeki Katogi
  • Patent number: 9309406
    Abstract: This invention relates to a fuel part, comprising a polymer composition comprising: i. a polyamide A in which the ratio of terminal carboxy group concentration over terminal amino group concentration of the polyamide A is equal to 1 or higher, and ii. micro talcum in an amount of 0.001 to 1 weight percent with respect to the total amount of the polymer composition, and iii. an impact modifier in an amount of at least 1.0 weight percent with respect to the total amount of the polymer composition. This invention also relates to a process for producing a fuel part.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: April 12, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Katarina Tomic, Konraad Dullaert, Eric Willem Van Der Vegte
  • Patent number: 9290651
    Abstract: The invention is a method of producing an essentially electrically neutral polymer dispersion, comprising a polymerizing one or more monomers in the presence of a nonionic surfactant, wherein the polymerization preferably occurs in the absence of ionic surfactants. The invention also includes methods of producing positively or negatively charged polymer dispersions comprising producing the essentially nonionic polymer dispersion and further adding a cationically-charged or anionically-charged surfactant or electrolyte. The invention further includes dispersions produced by the methods of the invention and polymer films and powders produced from these dispersions.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: March 22, 2016
    Assignee: BASF SE
    Inventors: Koichi Takamura, Armin Burghart
  • Patent number: 9284221
    Abstract: Hydraulically setting compositions containing mineral binders exhibit improved adhesion when polymer powders produced by drying a silica sol and a redispersible polymer powder emulsion are added.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: March 15, 2016
    Assignee: WACKER CHEMIE AG
    Inventors: Thomas Koehler, Reinhard Haerzschel
  • Patent number: 9284384
    Abstract: A method for producing a polymer containing silica that does not involve long kneading time, and a polymer composition having an intended low heat generation property. A polymerization catalyst composition is produced by mixing and aging a second element and a third element, and then adding a first element to the mixture to react the first element with the mixture. The first element contains a compound that contains a rare earth metal element, the second element contains a compound represented by the following formula (X), and the third element contains silica. YR1aR2bR3c (X) (In the formula, Y is a metal; R1 and R2 are hydrogen atoms or hydrocarbon groups; and R3 is a hydrocarbon group, and R1, R2, and R3 are the same as or different from each other, a, b, and c are 0 or 1.).
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: March 15, 2016
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Junko Matsushita, Shojiro Kaita
  • Patent number: 9273205
    Abstract: A vibration damping material according to one aspect of the present invention comprises a composition as a main component, the composition being prepared by mixing based on 100 parts by weight of acrylic rubber, at least, in an external ratio, 0.01 to 15 parts by weight of organic peroxide that can crosslink between epoxy-based crosslinking points with each other, 25 to 50 parts by weight of carbon black having a mean particle diameter of 22 to 45 nm, and 15 to 35 parts by weight of carbon black having a mean particle diameter of 70 to 85 nm; and crosslinking crosslinking points in the acrylic rubber with each other through the organic peroxide.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: March 1, 2016
    Assignee: KITAGAWA INDUSTRIES CO., LTD.
    Inventors: Teruaki Yuoka, Takashi Kurachi
  • Patent number: 9267044
    Abstract: A process for preparing an encapsulated pigment dispersion suitable for use in an ink jet printing ink comprising the following steps in the order I) followed by II): I) providing a dispersion comprising a pigment, a liquid medium and a dispersant comprising the repeat units from copolymerizing the ethylenically unsaturated monomers in components a) to c): a) from 75 to 97 parts of one or more hydrophobic ethylenically unsaturated monomers comprising at least 50 parts benzyl (meth) acrylate; b) from 3 to 25 parts one or more hydrophilic ethylenically unsaturated monomers having one or more ionic group(s); c) from 0 to 2 parts of one or more hydrophilic ethylenically unsaturated monomers having a hydrophilic non-ionic group; and ?wherein the parts are by weight and the sum of the parts a) to c) add up to 100; II) cross-linking the dispersant in the presence of the pigment and the liquid medium.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: February 23, 2016
    Assignee: Fujifilm Imaging Colorants Limited
    Inventors: Tom Annable, Mark Holbrook, Neil Anthony Tallant, John Patrick O'Donnell
  • Patent number: 9267038
    Abstract: Asphalt binder compositions are provided comprising asphalt and a polymer blend, wherein the polymer blend comprises oxidized high density polyethylene and another polymer chosen from: maleated polypropylene, polyethylene homopolymer, high crystallinity polyethylene, and combinations thereof. Also provided are paving and roofing materials comprising the aforesaid asphalt binder compositions and an aggregate material. Methods for making and using the asphalt binder compositions are also provided.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: February 23, 2016
    Assignee: Honeywell International Inc.
    Inventors: Scott Martin Hacker, Yonghong Ruan, Paul Chi Lem
  • Patent number: 9260350
    Abstract: The present invention relates to a cementitious coating with hydrochromatic properties for micro-concrete or normal concrete, mortar, or other construction materials based on cement and ceramics. This cementitious coating in acrylic solution changes its opacity depending on the presence of water and moisture. This color change is reversible after some drying time leaving invisible the markings already existing on the substrate. This cementitious coating comprises the following components, in percentage in weight of the components relative to the total weight of the composition: a) 0.5-30% of hydrochromatic acrylic copolymer emulsion; b) 5-30% of white or gray Portland cement; c) 0.1-30% of finely ground limestone filler; d) 0.01-2% of powdered super-plasticizer; e) 0.01-3% of modified polyvinyl resins; f) 0.01-5% of dispersant of vinyl acetate and ethylene copolymers; g) 15-70% of aqueous acrylic emulsion; and optionally h) 0.1-15% of inorganic pigments.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: February 16, 2016
    Assignee: SECIL, S.A.—Companhia Geral de Cal e Cimento of Outao
    Inventor: Angela Maria Jesus De Sequeira Serra Nunes
  • Patent number: 9260553
    Abstract: A method of making a highly fluorinated polymers and resulting aqueous mixtures. The method comprising polymerizing one or more perfluorinated monomers in an aqueous emulsion polymerization in the presence of a polymerizable fluorinated emulsifier to form a perfluorinated polymer. The polymerizable fluorinated emulsifier has the formula X2C?CX(CF2)m(CH2)n[O—(CX2)p]q—[O—(CX2)r]s—[O—(CX2—CX2)]t—[(O)w—(CX2)u]v—[CH2]z—Y. The method also provides for isolating the highly fluorinated polymer and post-fluorinating the isolated highly fluorinated polymer.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: February 16, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Klaus Hintzer, Harald Kaspar, Herbert Koenigsmann, Helmut Traunspurger, Tilman C. Zipplies
  • Patent number: 9260545
    Abstract: The present invention generally relates to methods for resolving water and oil emulsions in the produced fluid of an oil production system comprising adding a reverse emulsion breaker to the produced fluid of the crude oil production system in an amount effective for resolving an oil-in-water emulsion. In particular, these methods for resolving an oil-in-water emulsion can be used in separation processes where the oil and solids in the produced fluid are separated from the produced water in the produced fluid.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: February 16, 2016
    Assignee: Ecolab USA Inc.
    Inventor: Michael Squicciarini
  • Patent number: 9255169
    Abstract: A method for preparing biomass-based polymer emulsion. The method includes: 1) preparing cardanol-based polymerizable emulsifier; 2) preparing castor oil-based polyurethane prepolymer; and 3) preparing biomass-based polymer emulsion.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: February 9, 2016
    Assignee: Zhongying Changjiang International New Energy Investment Co., Ltd.
    Inventors: Zhangjian Fang, Xingcai Zheng, Yuting Cheng, Zhijiu Zhuo
  • Patent number: 9255211
    Abstract: An aqueous coating composition (which optionally can coat plastic substrates) the composition comprising a block copolymer and a polymer P; where the block copolymer comprises at least blocks [A]x[B]y; where at least block [A] is obtained by a controlled radical polymerization of at least one ethylenically unsaturated monomer via a reversible addition-fragmentation chain transfer (RAFT) mechanism (optionally in solution in the presence of a control agent and a source of free radicals); and wherein block [A] comprises 20 to 100 mol % of ethylenically unsaturated monomer units bearing water-dispersing functional groups; wherein block [B] comprises 20 to 100 mol % of ethylenically unsaturated monomer units bearing plastic adhesion promoting functional groups; and wherein polymer P is prepared in the presence of blocks [A]x[B]y. The compositions may be used to coat plastic substrates, foam; surfaces having low surface energy, hydrophobic substrates and/or polyolefins.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: February 9, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Michael Arnoldus Jacobus Schellekens, Gerardus Cornelis Overbeek, Tijs Nabuurs, John Geurts
  • Patent number: 9249250
    Abstract: Methods for of synthesizing a polymer functionalized nanoparticle are provided. The method can comprise: attaching an anchoring compound to a nanoparticle; attaching a RAFT agent to the anchoring compound; and polymerizing a plurality of butadiene-derived monomers on the anchoring compound to form a polymeric chain covalently bonded to the nanoparticle via the anchoring compound. Polymer functionalized nanoparticles are also provided that include a nanoparticle defining a surface; a butadiene-derived polymeric chain covalently bonded to the surface of the nanoparticle. Nanocomposites are also provided that include a plurality of such polymer functionalized nanoparticles dispersed within a polymeric matrix.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: February 2, 2016
    Assignee: University of South Carolina
    Inventors: Brian Benicewicz, Lei Wang, Mohammad Mohammadkhani
  • Patent number: 9243080
    Abstract: The present invention aims to provide a method of producing a PTFE aqueous dispersion which contains PTFE particles having a small particle size and which is excellent in dispersion stability by multistage polymerization without using a long-chain fluorosurfactant. The method includes the steps of: (1) polymerizing a fluoromonomer in an aqueous medium in the presence of a fluorosurfactant and a polymerization initiator to provide an aqueous dispersion containing particles of at least one fluoropolymer selected from the group consisting of PTFE and melt-processible fluororesins excluding polytetrafluoroethylene; and (2) polymerizing TFE alone or TFE and a modifying monomer in an aqueous medium in the presence of the fluoropolymer particles and a polymerization initiator to provide an aqueous dispersion containing PTFE particles. The fluoropolymer particles have an equivalent weight (EW) of 6,000 or more and a volume average particle size of not smaller than 0.1 nm but smaller than 20 nm.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: January 26, 2016
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventor: Yoshinori Nanba
  • Patent number: 9243127
    Abstract: Provided is a method of producing a nucleator masterbatch, by which a nucleator masterbatch capable of improving the transparency and the physical properties of an olefin resin can be produced. This method is a method of producing a masterbatch in which a nucleator is blended in an olefin polymer, the method being characterized by comprising the step of polymerizing an olefin monomer with incorporation of a nucleator component, which is dissolved in an organoaluminum compound or in an organoaluminum compound and an organic solvent, before or during polymerization of the olefin monomer such that the nucleator component is blended in an amount of 0.05 to 20 parts by mass with respect to 100 parts by mass of the olefin polymer obtained by the polymerization of the olefin monomer.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: January 26, 2016
    Assignee: ADEKA CORPORATION
    Inventors: Naoshi Kawamoto, Takashi Ayabe, Atsushi Sakai, Tetsuya Seguchi