Patents Examined by Ronak C Patel
  • Patent number: 11117357
    Abstract: The present invention provides polyolefin films comprising calcium carbonate that have a reduced moisture vapor transmission rate, methods of making the films, and packaging materials comprising the films.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: September 14, 2021
    Assignee: Omya International AG
    Inventors: Michael D. Roussel, James E. Cara, Allen R. Guy, Lane G. Shaw
  • Patent number: 11117808
    Abstract: Nitric oxide-releasing materials, methods of making nitric oxide-releasing materials, and uses of nitric oxide-releasing materials are provided. The nitric oxide-releasing materials include a mesoporous silica core and an outer surface having a plurality of nitric oxide donors. In an exemplary aspects, the nitric oxide-releasing material includes a mesoporous diatomaceous earth core, and an outer surface having a plurality of S-nitroso-N-acetyl-penicillamine groups covalently attached thereto. Uses of the nitric oxide-releasing materials can include coatings for medical devices such as catheters, grafts, and stents; wound gauzes; acne medications; and antiseptic mouthwashes; among others.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: September 14, 2021
    Assignee: University of Georgia Research Foundation, Inc.
    Inventors: Hitesh Handa, Marcus Goudie, Jitendra Pant, Bryan Grommersch, Sean Hopkins
  • Patent number: 11111389
    Abstract: The invention relates to composite particles, comprising a carrier particle and an at least partial surface coating, the carrier particle comprising a quartz and a layered silicate and the surface of the composite particle having at least one hydrophilic region and at least one hydrophobic region. The invention also relates to a method for producing composite particles, comprising the steps: a) providing carrier particles, comprising a quartz and a layered silicate, b) introducing the carrier particles into a mixing device, c) charging the carrier particles with a coating composition, d) coating the carrier particles with the coating composition by mixing the carrier particles with the coating composition, with the introduction of shear energy, e) subjecting the coated carrier particles to temperature. In addition, the invention relates to a mineral cast part or to a composite workpiece which comprises the above-described composite particles.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: September 7, 2021
    Assignee: GEBRÜDER DORFNER GMBH & CO. KAOLIN- UND KRISTALLQUARZSAND-WERKE KG
    Inventors: Michael Flierl, Marco Süß, Reinhard Kräuter
  • Patent number: 11104840
    Abstract: A method of extracting underground resources including a step of mixing hydrolysable particles and a proppant to an aqueous dispersion fluid, and introducing the fluid with pressure into an ore chute formed under the ground, wherein as the hydrolysable particles, use is made of spherical particles that include a hydrolysable resin of a weight average molecular weight (Mw) of not less than 5,000 and, specifically, not less than 10,000, and that have an average particle size (D50) in a range of 300 to 1,000 ?m, and a circularity of a short diameter/long diameter ratio of not less than 0.8. The spherical particles have a hyrolysable capability, a circularity and a particle size adapted to the hydraulic fracturing.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: August 31, 2021
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Seishi Yoshikawa, Tsutaki Katayama
  • Patent number: 11059016
    Abstract: A data storage medium is disclosed comprising a substrate covered with alternating layers of a polycationic molecule and artificially synthesized DNA molecules encoding digital information. The magnetic substrate may be a metallic nanoparticle formed from a metal such as iron or cobalt. The polycationic molecule may be polyethyleneimine (PEI). The DNA is protected from degradation by encapsulation in silica. A process for stably storing DNA is also disclosed. Stored DNA may be freed from the silica for sequencing or other analysis by washing the silica-coated DNA with a buffered hydrogen fluoride solution. Storage densities of more than 7% DNA by weight are achieved on nanoparticles.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: July 13, 2021
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Karin Strauss, Weida Chen, Robert Grass, Alexander Xavier Christof Kohll, Bichlien Hoang Nguyen
  • Patent number: 11046828
    Abstract: A macroporous polymeric hydrogel microsphere that contains poly(ethylene glycol), chitosan, and water. The hydrogel microsphere, having a diameter of 50-250 ?m and a mesh size of 5-100 nm, is capable of transporting biomolecules conjugated to it. Also disclosed is a method of fabricating the microsphere based on a micromolding technique utilizing surface tension-induced droplet formation followed by photo-induced polymerization.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: June 29, 2021
    Assignee: Trustees of Tufts College
    Inventors: Hyunmin Yi, Sukwon Jung
  • Patent number: 11041234
    Abstract: To provide powder for thermal spraying, a method of thermal spraying, and a thermally sprayed coating, which can efficiently work supplying of a dry state powder by using a powder supplying apparatus with a thermal spraying apparatus, and which prevent variation and pulsation or lowering of supplied amount of powder and achieve a required film forming rate, and can obtain a denser coating on the surface of the substrate to be thermally sprayed. [Solution] Powder for thermal spraying 1 is a powder mixture obtained by mixing ceramic powder A whose particle diameter is D1 and ceramic powder B whose particle diameter is D2, wherein D1 is 0.5 to 12??? as a median diameter, D2 is 0.003 to 0.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: June 22, 2021
    Assignee: OERLIKON METCO (JAPAN) LTD.
    Inventors: Junya Kitamura, Kazuya Fujimori, Tetsuyoshi Wada
  • Patent number: 11034819
    Abstract: Disclosed are self-assembled propylene-based bi-layer compositions having a skin layer comprising a propylene-based elastomer-toughened composition and a core layer comprising a propylene-based fiber-reinforced composition, wherein the propylene-based elastomer-toughened composition and propylene-based fiber-reinforced composition self-assemble upon mixing into the skin layer and the core layer. Processes for producing these self-assembled propylene-based compositions are also disclosed.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: June 15, 2021
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Andy H. Tsou, John R. Hagadorn, Viktor Buchholz, Peijun Jiang
  • Patent number: 11028210
    Abstract: A flow improver comprising a plurality of core-shell particles that can be formed by emulsion polymerization. The core of the core-shell particles can include a drag reducing polymer, while the shell of the particles can include repeat units of a hydrophobic compound and an amphiphilic compound. The flow improver can demonstrate increased pumping stability over conventionally prepared latex flow improvers.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: June 8, 2021
    Assignee: LIQUIDPOWER SPECIALTY PRODUCTS INC.
    Inventors: Wayne R. Dreher, Kenneth W. Smith, Stuart N. Milligan, Timothy L. Burden, William F. Harris, Ray L. Johnston, Wolfgang Klesse, Gerold Schmitt, John Wey
  • Patent number: 11032955
    Abstract: The present invention provides a powdered ferrite having high dispersibility in a resin and high electromagnetic shielding characteristics. The powdered ferrite comprises platy ferrite particles having a spinel crystal structure. The powdered ferrite comprises at least 50 number % platy ferrite particles each having at least one protrusion on a surface of the particle, and the protrusion has a shape selected from the group consisting of a rectangular pyramid, a truncated rectangular pyramid, an elongated rectangular pyramid, and combinations thereof.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: June 8, 2021
    Assignee: POWDERTECH CO., LTD.
    Inventors: Koji Aga, Tetsuya Igarashi
  • Patent number: 10982090
    Abstract: A graphic article comprising a Poly lactic acid (PLA) based film and in particular, an ink layer depicting a graphic is described. The PLA based film comprises a semicrystalline polylactic acid polymer, a second of a polyvinyl acetate polymer having a glass transition temperature (Tg) of at least 25° C., and plasticizer. The article is typically a tape or sheet that may further comprise an adhesive (e.g. pressure sensitive) and a low adhesion backsize or a release liner. A method of forming a graphic article using the film of the invention is also disclosed.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: April 20, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Ning Zhou, John A. Nielsen
  • Patent number: 10984933
    Abstract: Thermally annealed superparamagnetic core shell nanoparticles of an iron-cobalt ternary alloy core and a silicon dioxide shell having high magnetic saturation are provided. A magnetic core of high magnetic moment obtained by compression sintering the thermally annealed superparamagnetic core shell nanoparticles is also provided. The magnetic core has little core loss due to hysteresis or eddy current flow.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: April 20, 2021
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventor: Michael Paul Rowe
  • Patent number: 10980211
    Abstract: A litter for animals includes a plurality of granular materials including a high-bulk density granular material and a low-bulk density granular material at a ratio by mass of 60:40-40:60. The high-bulk density granular material contains bentonite as a main component, and the low-bulk density granular material is configured of a core layer and a skin layer, the skin layer coating the surface of the core layer and containing a binder by which grains of the plurality of granular materials are bound to each other.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: April 20, 2021
    Assignee: UNICHARM CORPORATION
    Inventor: Satoshi Hasegawa
  • Patent number: 10974317
    Abstract: Methods for making a tribological bearing wear surface for a compressor component are provided. Such methods involve semi-solid metal casting, where an admixture of solid lubricant particles and a metal alloy material is heated to melt the metal alloy material, while the lubricant particles remain in a solid phase. The alloy material and solid lubricant have substantially different densities. The metal alloy material may be a copper, iron, or aluminum alloy, for example. The method further comprises mixing and cooling the admixture to form a semi-solid slurry admixture. Next, the method comprises introducing the semi-solid slurry admixture into a die. Finally, the semi-solid slurry admixture in the die is solidified to form a solid component having the solid lubricant particles homogenously distributed within a metal alloy material matrix, thus forming a metal matrix composite. Compressor components made from such methods are also provided.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: April 13, 2021
    Assignee: Emerson Climate Technologies, Inc.
    Inventors: Roxana E. L. Ruxanda, Marc J. Scancarello, Christopher S. Rice, Kenneth P. Young
  • Patent number: 10975457
    Abstract: A magnetic core of superparamagnetic core shell nanoparticles having a particle size of less than 200 nm; wherein the core is an iron cobalt ternary alloy and the shell is a silicon oxide is provided. The magnetic core is a monolithic structure of superparamagnetic core grains of an iron cobalt ternary alloy directly bonded by the silicon dioxide shells. A method to prepare the magnetic core which allows maintenance of the superparamagnetic state of the nanoparticles is also provided. The magnetic core has little core loss due to hysteresis or eddy current flow.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: April 13, 2021
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventor: Michael Paul Rowe
  • Patent number: 10934441
    Abstract: An adhesion promoter for non-conductive surfaces is disclosed that combines a polyolefin with co-resins in a colloidal suspension in water. The colloidal suspension in water is prepared from mixing a solid-powder composition that includes the polyolefin and the co-resins with water. The colloidal suspension in water is applied to a low surface energy, non-conductive substrate, such as thermoplastic olefins, in order to make the substrates conductive for electrostatic painting.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: March 2, 2021
    Assignee: HELIOS COATINGS, INC.
    Inventors: David Anthony Detzler, Guenther Bauer, Mark Edward Leininger
  • Patent number: 10927293
    Abstract: Provided is a core-shell structured fluorescent complex comprising: a core portion comprising therein a polymer and a fluorescent material; and a shell portion including silica or alumina covering at least a part of a surface of the core portion, wherein the fluorescent material is included in greater than or equal to 0.01 parts by weight and less than or equal to 50 parts by weight with respect to 100 parts by weight of the polymer, and wherein the polymer is an ionic polymer or ionic polymer resin and has a weight average molecular weight of greater than or equal to 1,000 and less than or equal to 300,000, a light conversion film including the core-shell structured fluorescent complex, and an electronic device including the same.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: February 23, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Du Hyeon Shin, Youkyong Seo
  • Patent number: 10910153
    Abstract: Thermally annealed superparamagnetic core shell nanoparticles of an iron-cobalt alloy core and a silicon dioxide shell having high magnetic saturation are provided. A magnetic core of high magnetic moment obtained by compression sintering the thermally annealed superparamagnetic core shell nanoparticles is also provided. The magnetic core has little core loss due to hysteresis or eddy current flow.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: February 2, 2021
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Jidosha Kabushiki Kaisha
    Inventors: Michael Paul Rowe, Sean Evan Sullivan, Daisuke Okamoto
  • Patent number: 10899961
    Abstract: Disclosed are quantum dots and quantum dot articles stabilized by a fluorochemical copolymer having pendent arsine, stibine or phosphine stabilizing groups; and pendent fluorochemical groups.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: January 26, 2021
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Paul B. Armstrong, Saswata Chakraborty, Michael C. Palazzotto
  • Patent number: 10882751
    Abstract: A method for synthesizing calcium-silicate-based porous particles (CSPPs) is described. Control over CSPP morphology and pore size is achieved through a refined solution-based synthesis, allowing loading of a variety of sealants. These particles, upon external stimuli, release the loaded sealant into the surrounding material. Methods of loading the CSPPs with loading sealant are described. The CSPPs may be used in pure form or mixed with another material to deliver self-healing, sealing and multi-functional properties to a physical structure. The composition of the CSPPs is described, along with methods of use of the CSPPs.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: January 5, 2021
    Assignee: C-Crete Technologies, LLC
    Inventors: Rouzbeh Shahsavari, Joseph B. Miller, Anil Desireddy, Kazuhiro Yamato