Patents Examined by David Brunsman
  • Water dispersible compositions containing natural hydrophilic water-insoluble pigments, methods of preparing same and their use
    Patent number: 6719839
    Abstract: Ready-to-use water dispersible pigment compositions containing waer-insoluble, hydrophilic pigments are provided. The compositions comprise a stable dispersion of the pigment such as a porphyrin pigment, carmine, curcumin and a carotenoid in the form of bodies of an average size which is at the most 10 &mgr;m is provided. The pigment bodies are dispersed without the use of a surface active substance in an aqueous phase comprising a hydrocolloid. The natural pigment compositions which are useful for coloring of food products and pharmaceuticals do not migrate in the products and they are acid stable. The compositions are useful in coating compositions for tablets and dragees.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: April 13, 2004
    Assignee: CHR. Hansen A/S
    Inventors: Per Pihlmann Isager, Marianne Winning
  • Composition and method for preparing chemically-resistant roughened copper surfaces for bonding to substrates
    Patent number: 6716281
    Abstract: The invention is directed to a method and composition for providing chemically-resistant roughened copper surfaces suitable for subsequent multilayer lamination. In one embodiment, a smooth copper surface is contacted with an adhesion promoting composition under conditions effective to provide a roughened copper surface, the adhesion promoting composition comprising an oxidizer, a pH adjuster, a topography modifier, and a sulfur-containing coating stabilizer. In another embodiment, a smooth copper surface is contacted with an adhesion promoting composition under conditions effective to provide a roughened copper surface, the adhesion promoting composition comprising an oxidizer, a pH adjuster, and a topography modifier. Then, in a subsequent step, the roughened copper surface is contacted with an acid resistance promoting composition.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: April 6, 2004
    Assignee: Electrochemicals, Inc.
    Inventors: Roger F. Bernards, Joseph Stanton Bowers, Jr., Benjamin T. Carroll, Alvin A. Kucera
  • Pre-blend composition, and method of making joint compound using same
    Patent number: 6712897
    Abstract: A pre-blend composition for preparation of joint compound including water, a cellulose ether thickener, and about 19% or less by weight of a salt selected from the group consisting of potassium carbonate, potassium sulfate, sodium acetate, and mixtures thereof, wherein the composition is essentially free of alumina, is disclosed.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: March 30, 2004
    Assignee: National Gypsum Properties, LLC.
    Inventors: Amba Ayambem, Richard E. Smith, Salvatore Taravella
  • Perlite products with controlled particle size distribution
    Patent number: 6712898
    Abstract: Expanded perlite products having controlled particle size distribution, methods of producing the expanded perlite products, and methods of use thereof are provided. The expanded perlite product has, for example, a low ratio of standard deviation of particle size distribution to median particle size (for example, less than 0.63) and low median particle size (for example, less than 50 microns). The expanded perlite product may be used in a variety of applications including filter applications.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: March 30, 2004
    Assignee: Advanced Minerals Corporation
    Inventors: Scott K. Palm, Bo Wang, Christopher Hayward, John S. Roulston
  • Universal paint solvent
    Patent number: 6709505
    Abstract: A universal paint solvent comprises, on a weight basis, 1-30% of an acidic material selected from the group consisting of sulfonic acids, phosphonic acids, phosphoric acids, and combinations thereof, together with 10-80% of an organic solvent selected from the group consisting of alcohols, ethers, ketones, aldehydes, esters, and combinations thereof. In particular compositions, the acidic component is comprised of a mixture of two different acids. Alkyl esters, particularly acetate esters, are preferred organic solvents. Butyl acetate is a specifically preferred solvent. The compositions solvate a large variety of different paint formulations, and are effective at room temperature. The compositions have particular utility for cleaning paint delivery systems and equipment.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: March 23, 2004
    Assignee: Gage Products Company
    Inventors: Xenophon G. Saquet, Jeffrey Maxwell, Stephen Summerfield
  • Dielectric ceramic composition and ceramic capacitor
    Patent number: 6710000
    Abstract: In a dielectric ceramic composition comprising: 100 mol % of an oxide of Ba, Ti and Zr; 0.25 to 1.5 mol % of an oxide of Re, Re representing one or more elements selected from the group consisting of Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Y; 0.1 to 0.4 mol % of an oxide of Mg; and 0.03 to 0.6 mol % of oxides of one or more elements selected from the group consisting of Mn, V and Cr, the content of the oxide of the Ba, Ti and Zr is calculated by assuming that the oxide thereof is Ba(Ti1−xZrx)O3; the contents of the oxides of the Re and Mg being calculated by assuming that the oxides thereof are Re2O3 and MgO, respectively; the contents of the oxides of the Mn, V and Cr being calculated by assuming that the oxides thereof are Mn2O3, V2O5 and Cr2O3, respectively. A ratio of Ba/(Ti1−xZrx) ranges from about 1.000 to about 1.010 and x in Ti1−xZrx ranges from about 0.05 to about 0.26.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: March 23, 2004
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Yasunobu Kawamoto, Koichiro Morita, Kenji Saito
  • Method for making a road base material using treated oil and gas waste material
    Patent number: 6706108
    Abstract: The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” and aggregate waste and a novel road base material. Hydration and mixing of the waste materials along with a binder, will achieve an irreversible pozzolanic chemical reaction necessary for stabilization into a road base. An asphalt emulsifier may be included in the binder to manufacture asphalt stabilized road base. The entire method is a cold batch process.
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: March 16, 2004
    Inventor: David L. Polston
  • Edible PGA coating composition
    Patent number: 6699315
    Abstract: An edible, hardenable coating composition is disclosed which comprises high levels of low viscosity propylene glycol alginate and a surfactant, which may additionally contain a filler, a pigment, and optionally a small amount of a secondary film former and/or a strengthening polymer. The coating composition of the present invention may be applied to pharmaceutical and veterinary solid dosage forms, confectionery, seeds, animal feed, fertilizers, pesticide tablets, and foods and provides an elegant prompt release coating which does not retard the release of active ingredients from the coated substrate.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: March 2, 2004
    Assignee: FMC Corporation
    Inventors: Michael Augello, Eric Bliefernich
  • Low permeability beverage container
    Patent number: 6699320
    Abstract: A method includes steps for forming an intermediate composition. The intermediate composition is to be added to a polymer, or to a polymer precursor, in a process of manufacturing a low permeability container formed of the polymer or polymer precursor. The method includes forming an intermediate composition which, if added to the polymer or polymer precursor, will inhibit the permeability of the low permeability container subsequently formed of the polymer or polymer precursor. The forming step includes mixing a solid dispersant with clay to form the intermediate composition as a solid.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: March 2, 2004
    Assignee: PolyOne Corporation
    Inventor: Daniel M. Martelli
  • Surface coating composition comprising silicon compounds
    Patent number: 6695904
    Abstract: A composition which retains a flash point of more than 21° C. even on storage and is obtainable by mixing and reacting (i) from 50 to 70% by weight of at least one alkyltrialkoxysilane, (ii) from 10 to 25% by weight of at least one alkoxysiloxane and/or at least one tetraalkoxysilane, (iii) from 15 to 25% by weight of at least one aqueous silica sol, (iv) from 0.1 to 5% by weight of at least one acid, and (v) from 0.1 to 60% by weight of at least one alcohol and/or glycol, the sum of the above components being not more than 100% by weight, by introducing components (i) and (ii) and also, if desired, a fraction of component (v) as an initial charge, adding component (iii), adjusting the mixture to a temperature in the range from −5 to 10° C.
    Type: Grant
    Filed: August 26, 2002
    Date of Patent: February 24, 2004
    Assignee: Degussa AG
    Inventors: Rosemarie Burger, Jaroslaw Monkiewicz, Roland Edelmann, Bjoern Borup
  • Asphalt composites including fly ash fillers or filler blends, methods of making same, and methods for selecting or modifying a fly ash filler for use in asphalt composites
    Patent number: 6695902
    Abstract: The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that when combined with asphalt produces asphalt composites such as roofing shingles with improved mechanical properties at a lower cost than asphalt shingles produced using conventional calcium carbonate fillers. The present invention also includes a method for producing an asphalt composite, comprising the steps of combining asphalt with a fly ash filler or a filler blend having a particle size distribution with at least three modes and producing an asphalt composite with the resulting filled asphalt. The present invention further includes a method of determining what fly ashes can be used as fillers for asphalt composites such as roofing shingles.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: February 24, 2004
    Assignee: Boral Material Technologies, Inc.
    Inventors: Raymond T. Hemmings, Russell L. Hill, Bruce J. Cornelius, Aron McBay
  • Hydrolysis of biomass material
    Patent number: 6692578
    Abstract: A method for selective hydrolysis of the hemicellulose component of a biomass material. The selective hydrolysis produces water-soluble small molecules, particularly monosaccharides. One embodiment includes solubilizing at least a portion of the hemicellulose and subsequently hydrolyzing the solubilized hemicellulose to produce at least one monosaccharide. A second embodiment includes solubilizing at least a portion of the hemicellulose and subsequently enzymatically hydrolyzing the solubilized hemicellulose to produce at least one monosaccharide. A third embodiment includes solubilizing at least a portion of the hemicellulose by heating the biomass material to greater than 110° C. resulting in an aqueous portion that includes the solubilized hemicellulose and a water insoluble solids portion and subsequently separating the aqueous portion from the water insoluble solids portion.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: February 17, 2004
    Assignee: Battelle Memorial Institute
    Inventors: Andrew J. Schmidt, Rick J. Orth, James A. Franz, Mikhail Alnajjar
  • Sizing composition
    Patent number: 6692560
    Abstract: The present invention refers to an essentially water-free sizing composition and an aqueous sizing dispersion comprising a sizing agent, a non-ionic surfactant, an anionic surfactant and a monohydric alcohol. The invention also relates to a method for producing an aqueous dispersion comprising the above components and the use of the dispersion for surface and stock sizing.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: February 17, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Krister Holmberg, Håkan Leijon, Kristina Mohlin
  • Roadbed stabilization
    Patent number: 6689204
    Abstract: Roadbed material is stabilized by the addition of a small amount of potassium formate, preferably together with a water-soluble polymer which is preferably a cationic polymer.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: February 10, 2004
    Assignee: Clearwater International, L.L.C.
    Inventor: Mark E. Stanley
  • Liquid coating composition for production of fluorine doped tin oxide thin layers suitable for chemical vapor deposition process
    Patent number: 6689203
    Abstract: Composition containing a chlorinated organotin derivative and a polyfluoroalkenyl compound and/or a halo polyfluoroalkenyl compound useful for CVD formation of fluorine doped tin oxide coatings.
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: February 10, 2004
    Inventor: Gilles Merienne
  • Dielectric ceramic, resin-ceramic composite material, electrical part and antenna, and manufacturing method thereof
    Patent number: 6686406
    Abstract: A dielectric ceramic containing Bi, Zn, and Sr as constituent elements. A resin-ceramic composite material containing a mixture of the dielectric ceramic powder and an organic polymer resin. An antenna and an electrical part using the composite material, and a manufacturing method thereof.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: February 3, 2004
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Isao Tomomatsu, Masayuki Ishiwa
  • Bismuth pyrochlore microwave dielectric materials
    Patent number: 6680269
    Abstract: The disclosed invention relates to Bi2O3—ZnO—Ta2O5 dielectric compounds and compositions, and to their manufacture. The compounds of the invention have outstanding K, Q, TCF, and TCC. Examples of these properties include a K of between 58 and 80, a low dielectric loss (tan &dgr;<0.003), and a TCC<30 ppm/° C. Ceramic compositions produced include those represented by Bi2(ZnTa2)xO6x+3 where 0.57≦x≦1.0, Bi2(ZnTay)2/3O((5y+11)/3) where 1.0≦y≦3.0, as well as by Bi2(ZnTay)2/3O((5y+11)/3) where 1.0≦y≦3.0 with the proviso that y is not=2.0. Solid solutions of compounds defined by the formula r(Bi2(Zn1/3Ta2/3)2O7)-(1−r)(Bi3/2Zn2/3)(Zn1/2Ta3/2)O7)) where 0<r<1 also are produced.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: January 20, 2004
    Assignee: The Penn State Research Foundation
    Inventors: Tomohiro Sogabe, Thomas R. Shrout, Michael T. Lanagan, Clive A. Randall, Hyuk-Joon Youn
  • Process for preparing products containing mineral particles and asphaltenes-containing binder
    Patent number: 6679941
    Abstract: A process for preparing products containing mineral particles and asphaltenes-containing binder, said process involves (a) preparing a fluid mixture of mineral particles and asphaltenes-containing binder by mixing (i) solid particles containing from 10 to 95% by weight of asphaltenes-containing binder having a penetration of less than 15 dmm and from 90 to 5% by weight of small particles having an average particle size of less than 5 millimeter, with (ii) hot mineral particles having a temperature from 100 to 300° C., and (b) use of the fluid mixture for preparing products containing mineral particles and asphaltenes-containing binder.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: January 20, 2004
    Assignee: Shell Oil Company
    Inventors: Willem Van Der Horst, Marinus Johannes Reynhout
  • Chemical adsorption solution and method of producing chemically adsorbed film using the chemical adsorption solution
    Patent number: 6679942
    Abstract: The present invention provides a chemical adsorption solution prepared by dissolving a silane-based chemical adsorption material in a non-aqueous organic solvent, in which the non-aqueous organic solvent is a mixture including a first non-aqueous organic solvent and a second non-aqueous organic solvent having a boiling point higher than that of the first non-aqueous organic solvent. A preferable difference in the boiling point is at least 10° C. Preferably, the first non-aqueous organic solvent has a boiling point of not more than 120° C. and the second non-aqueous organic solvent has a boiling point of not less than 150° C. The chemical adsorption solution coated on a substrate is concentrated by evaporating the solvent having the lower boiling point, so that a chemically adsorbed film having a uniform film thickness can be formed in a short time.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: January 20, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Kazufumi Ogawa
  • Leakage water cut-off agent and method of preventing water leakage
    Patent number: 6679944
    Abstract: An object of the present invention is to provide a leakage water cut-off agent that has an excellent power to seal a water leakage site by a simple process without damaging the appearance of a building. A leakage water cut-off agent of the present invention comprises (a) a surfactant, (b) an aluminium compound and (c) a basic substance, and further comprises water if necessary.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: January 20, 2004
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Yuji Ito, Akemi Shiraishi, Wakako Tamura