Patents Examined by Kaj K. Olsen
  • Patent number: 8986444
    Abstract: A hybrid cement clinker incorporates specific ranges of clinker phases and falls within specific modulus values as set forth and described in this document.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: March 24, 2015
    Assignee: University of Kentucky Research Foundation
    Inventors: Thomas Robl, Tristana Duvallet, Robert Rathbone, Yongmin Zhou
  • Patent number: 8986407
    Abstract: An abrasive article includes a polymer matrix and abrasive grains dispersed in the polymer matrix, wherein the abrasive article has a void volume of at least 50%. The polymer matrix is polymerized from a monomer including at least one double bond.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: March 24, 2015
    Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
    Inventors: Rachana Upadhyay, Richard W. J. Hall
  • Patent number: 8980020
    Abstract: The invention relates to a method for producing a metal structural component, in particular a vehicle structural component, in which a steel part is hot formed and is hardened at least over sections by contact with a tool surface, in which the steel part is during the hardening cooled in at least two partial regions at different cooling rates, so that the partial regions after the hardening differ in their microstructure, wherein the cooling rates differing from one another are produced by sections of the tool surface corresponding to the partial regions of the steel part, which differ from one another as regards their thermal conductivities. The invention also relates to a further method for producing a metal structural component, as well as a tool and a batch furnace.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: March 17, 2015
    Assignee: ThyssenKrupp Steel Europe AG
    Inventors: Sascha Sikora, Kai Schmitz, Axel Grüneklee
  • Patent number: 8974598
    Abstract: A binder premix includes from 0.2% to 63% of a material of an ultrafine particle size category, including individual particles with a D90 value less than 1 ?m and/or with a BET specific surface greater than 5 m2/g; from 8% to 63% of selected Portland cement including particles with a D90 value less than 30 ?m and from 25% to 85% of a material, other than the cement, of a fine particle size category, including particles for which the D10 and D90 values are from 1 ?m to 120 ?m and with a BET specific surface less than 5 m2/g. A binder mix including, in addition to the premix, a material of a medium particle size category, including particles for which the D10 and D90 values are from 120 ?m to 5 mm is disclosed.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: March 10, 2015
    Assignee: Lafarge
    Inventors: Philippe Fonollosa, Jean-Francois Batoz, Jeffrey Chen
  • Patent number: 8974760
    Abstract: There is provided a hydrogen chrolide gas ejecting nozzle 1 used in a reaction apparatus for producing trichlorosilane in which metal silicon powder is reacted with hydrogen chloride gas to generate trichlorosilane. The member is provided with a shaft portion extending in the longitudinal direction and a head portion that is provided on an end of the shaft portion and extends in a direction intersecting the longitudinal direction of the shaft portion. A supply hole extending in the longitudinal direction is formed in the shaft portion, a plurality of ejection holes are formed in the head portion, and each of the ejection holes is communicatively connected to the supply hole and opened on the outer surface of the head portion toward a direction intersecting the direction to which the supply hole extends.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: March 10, 2015
    Assignee: Mitsubishi Materials Corporation
    Inventor: Chikara Inaba
  • Patent number: 8974562
    Abstract: A method of forming a substantially homogeneous suspension of nanodiamond particles and microdiamond particles is disclosed The method includes disposing a first functional group on a plurality of nanodiamond particles to form derivatized nanodiamond particles, and combining the derivatized nanodiamond particles with a plurality of microdiamond particles and a solvent to form a substantially homogeneous suspension of the derivatized nanodiamond particles and microdiamond particles in the solvent. A method of making an article is also disclosed. The method includes forming a superabrasive polycrystalline diamond compact by combining: a plurality of derivatized nanodiamond particles, a plurality of derivatized microdiamond particles having an average particle size greater than that of the derivatized nanodiamond particles, and a metal solvent-catalyst. The method also includes combining the polycrystalline diamond with a substrate comprising a ceramic.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: March 10, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Soma Chakraborty, Gaurav Agrawal
  • Patent number: 8968495
    Abstract: A method of thermo-mechanically processing a preform composed of tool steel and a tool to modify a workpiece. The preform has a region containing austenite. The method comprises establishing the region at a process temperature between a martensitic start temperature and a stable austenitic temperature. While at the process temperature, the region is deformed to change an outer dimension and to modify the microstructure to a depth of 1 millimeter or more. The tool comprises a member composed of tool steel. The member includes a first region that extends from the outer surface to a depth of greater than 1 millimeter and a second region. The first region includes a plurality of grains having an average misorientation angle greater than about 34°, an average grain size that is at least 10% smaller than the second region, and has a different grain orientation than the second region.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: March 3, 2015
    Assignee: Dayton Progress Corporation
    Inventors: Christon L. Shepard, Shrinidhi Chandrasekharan, Ronald R. LaParre, David L. Turpin, Alan L. Shaffer
  • Patent number: 8961681
    Abstract: A process for the preparation of nano zinc oxide particles is disclosed. The process comprises of dissolving a zinc metal precursor in a solvent to obtain a first solution and dissolving a base in an alcohol to obtain an alkali solution. The alkali solution is then added to the first solution over a predetermined period of time to obtain nano zinc oxide particles in solution.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: February 24, 2015
    Assignee: TATA Chemicals Limited
    Inventor: Sachin Parashar
  • Patent number: 8961646
    Abstract: There is provided a nickel alloy having an excellent creep strength as well as high-temperature oxidation resistance. The nickel alloy of the present invention comprises, by mass percent, Cr in a range of 11.5 to 11.9%, Co in a range of 25 to 29%, Mo in a range of 3.4 to 3.7%, W in a range of 1.9 to 2.1%, Ti in a range of 3.9 to 4.4%, Al in a range of 2.9 to 3.2%, C in a range of 0.02 to 0.03%, B in a range of 0.01 to 0.03%, Zr in a range of 0.04 to 0.06%, Ta in a range of 2.1 to 2.2%, Hf in a range of 0.3 to 0.4%, and Nb in a range of 0.5 to 0.8%, the balance being Ni and unavoidable impurities, and contains carbides and borides precipitating in crystal grains and at grain boundaries.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: February 24, 2015
    Assignees: Honda Motor Co., Ltd., National Institute for Materials Science
    Inventors: Yuefeng Gu, Tadaharu Yokokawa, Toshiharu Kobayashi, Toshio Osada, Junzo Fujioka, Hiroshi Harada, Daisuke Nagahama, Yusuke Kikuchi
  • Patent number: 8956993
    Abstract: Oxychlorination catalyst compositions which include a catalytically effective amount of an oxychlorination catalyst and a diluent having certain chemical composition and/or physical properties are disclosed. Processes using such oxychlorination catalyst compositions are also described. Some oxychlorination catalyst compositions and processes disclosed herein can increase the optimal operating temperature, and thereby increase the production capacity of an existing reactor, such as a fluid-bed reactor, compared to other oxychlorination catalyst compositions.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: February 17, 2015
    Assignee: Oxy Vinyls LP
    Inventors: Keith S. Kramer, Joseph A. Cowfer
  • Patent number: 8951317
    Abstract: A method of processing a polycrystalline diamond element is disclosed. The method may include depositing a vaporized material over a selected portion of a polycrystalline diamond element to form a protective coating over the selected portion. The polycrystalline diamond element may include a polycrystalline diamond table. The method may also include exposing at least a portion of the polycrystalline diamond element to a leaching solution such that the leaching solution contacts an exposed surface region of the polycrystalline diamond table and at least a portion of the protective coating. The method may also include removing the polycrystalline diamond element from the leaching solution. The protective coating may be substantially impermeable to the leaching solution.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: February 10, 2015
    Assignee: US Synthetic Corporation
    Inventors: Debkumar Mukhopadhyay, Kenneth Eugene Bertagnolli
  • Patent number: 8951332
    Abstract: Urban ore is a mixture of a lot of metallic elements, and these metallic elements need to be separately collected therefrom. However, because the content of each metallic element is very small, it has been extremely difficult to selectively collect the required metallic element. In order to solve the problem, there is provided a metal-ion adsorbent which is for use in a method for collecting metal ions present in a liquid, and in which a continuously porous support having large numbers of pores of uniform size and shape, and a compound having a metal ion-binding group is chemically bonded to the inner surfaces of the pores, whereby a material and a method with which rare-metal ions contained in urban ore are efficiently and inexpensively taken out are provided.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: February 10, 2015
    Assignee: National Institute for Materials Science
    Inventors: Sherif El-Safty, Ahmed Shahat Ahmed, Kohmei Halada
  • Patent number: 8945252
    Abstract: A coated abrasive laminate disc (100) has a backing (120) with glass (125) and woven fabrics (124) laminated with a thermoplastic adhesive (122) having a melting onset temperature in a range of from about 140° C. to 190° C. and comprising polyamide and/or polyurethane. Methods of making are the coated abrasive laminate discs (100) are also disclosed.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: February 3, 2015
    Assignee: 3M Innovative Properties Company
    Inventor: Steven J. Keipert
  • Patent number: 8946396
    Abstract: An agglomerated particulate lignosulfonate material may be made by introducing or forming lignosulfonate microparticles in a fluidized bed agglomerator, and introducing sufficient heated gas and lignosulfonate liquid in the agglomerator to convert the microparticles to lignosulfonate granules of enlarged size. The granules may have an average size of at least 0.1 mm, and may be used to make a dry-blended cement additive or oil well cement that may be dustless, easily poured and stored, and rapidly dissolved in water.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: February 3, 2015
    Assignee: Borregaard Industries Limited
    Inventor: Kåre Reknes
  • Patent number: 8944166
    Abstract: Methods and compositions that protect cement compositions from corrosion, particularly from wet carbon dioxide, are provided. A soluble salt additive is provided to react with reaction products generated during the reactions that occur when cement is exposed to wet carbon dioxide. The soluble salt reacts to form an insoluble salt that forms a protective layer on the surface of the cement that protects it from further corrosion from exposure to wet carbon dioxide.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: February 3, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Mark Alan Vorderbruggen, Richard F. Stevens, Qi Qu
  • Patent number: 8936659
    Abstract: A substance includes diamond particles having a maximum linear dimension of less than about 1 ?m and an organic compound attached to surfaces of the diamond particles. The organic compound may include a surfactant or a polymer. A method of forming a substance includes exposing diamond particles to an organic compound, and exposing the diamond particles in the presence of the organic compound to ultrasonic energy. The diamond particles may have a maximum linear dimension of less than about 1 ?m. A composition includes a liquid, a plurality of diamond nanoparticles dispersed within the liquid, and an organic compound attached to surfaces of the diamond nanoparticles. A method includes mixing a plurality of diamond particles with a solution comprising a liquid solvent and an organic compound, and exposing the mixture including the plurality of diamond nanoparticles and the solution to ultrasonic energy.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: January 20, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Soma Chakraborty, Gaurav Agrawal, Anthony A. DiGiovanni
  • Patent number: 8936675
    Abstract: The present invention relates to new precast cementitious products with photocatalytic activity, and to a process to obtain them.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: January 20, 2015
    Assignee: Italcementi S.p.A.
    Inventor: Roberta Alfani
  • Patent number: 8937026
    Abstract: Novel glass compositions and method for producing a glass/metal join, in which the novel glass comprises: Oxide (%) B2O3 ??8-13.5 Al2O3 5-9 Na2O 3-9 K2O 0-5 CaO 2-4 MgO 0-4 ZnO 0-4 SiO2 Up to 100 depending on the necessary requirements, owing to the significance thereof the thermal expansion coefficient, such that this thermal expansion coefficient is adjusted to match that of the metal part or alloy with which the glass/metal weld is to be achieved, which makes it possible to satisfactorily produce said weld which results in a strong glass/metal join, that is free from tensile stresses and that is durable over time and may be used, inter alia, to obtain parts that form part of solar collectors.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: January 20, 2015
    Assignee: Abengoa Solar New Technologies, S.A.
    Inventors: Noelia Martí´nez Sanz, José Luis Oteo Mazo, Jaun Rubio Alonso, Fausto Rubio Alonso, Alejandra Mazo Fernández
  • Patent number: 8936773
    Abstract: Provided herein are compositions, methods, and systems for a material containing metastable carbonate and stabilizer. Methods for making the compositions and using the compositions are also provided.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: January 20, 2015
    Assignee: Calera Corporation
    Inventors: Miguel Fernandez, Irvin Chen, Patricia Tung Lee, Matthew Ginder-Vogel
  • Patent number: 8932982
    Abstract: An exhaust gas purification catalyst includes a catalytic layer containing a particle component A-1 and a particle component A-2 with different catalytic metal contents, each of which is composed of catalytic-metal-doped CeZr-based mixed oxide powder. The particle component A-1 having the lower catalytic metal content is supported on a particle component B composed of Zr-based-oxide-supported alumina powder, and the particle component A-2 having the higher catalytic metal content is supported on a particle component C composed of CeZr-based mixed oxide powder in which catalytic metal is not solid-dissolved.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: January 13, 2015
    Assignee: Mazda Motor Corporation
    Inventors: Masaaki Akamine, Masahiko Shigetsu, Yasuhiro Ochi, Yuki Murakami