Search Patents
  • Patent number: 7923520
    Abstract: The present invention relates to high refractive index monomers according to formula (I) and (co)polymers comprising such high refractive index monomers. The 5 (co)polymers are highly suitable for the manufacture of optical articles, in particular flexible optical articles, more in particular intraocular lenses.
    Type: Grant
    Filed: February 14, 2007
    Date of Patent: April 12, 2011
    Assignee: Procornea Holding B.V.
    Inventors: Bernardus Franciscus Maria Wanders, Henk Haitjema
  • Patent number: 7919018
    Abstract: This invention provides, in one aspect, a procedure to use optically transparent nanocrystalline quantum dots to absorb UV light. This absorption process leads to an energy transfer to a chemically bound and chelated lanthanide ion that may emit light in either the visible spectrum (400-700 nm) or in the near infrared (700-1600 nm). This invention also provides methods for the use of these taggant materials in inks and aerosols used to disperse the taggant.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: April 5, 2011
    Assignee: Voxtel, Inc.
    Inventors: George M. Williams, David M. Schut
  • Patent number: 7919534
    Abstract: Particular aspects provide compositions comprising an electrokinetically altered oxygenated aqueous fluid, wherein the oxygen in the fluid is present in an amount of at least 25 ppm. In certain aspects, the electrokinetically altered oxygenated aqueous fluid comprises electrokinetically modified or charged oxygen species present in an amount of at least 0.5 ppm. In certain aspects the electrokinetically altered oxygenated aqueous fluid comprises solvated electrons stabilized by molecular oxygen, and wherein the solvated electrons present in an amount of at least 0.01 ppm. In certain aspects, the fluid facilitates oxidation of pyrogallol to purpurogallin in the presence of horseradish peroxidase enzyme (HRP) in an amount above that afforded by a control pressure pot generated or fine-bubble generated aqueous fluid having an equivalent dissolved oxygen level, and wherein there is no hydrogen peroxide, or less than 0.1 ppm of hydrogen peroxide present in the electrokinetic oxygen-enriched aqueous fluid.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: April 5, 2011
    Assignee: Revalesio Corporation
    Inventors: Anthony B. Wood, Gregory J. Archambeau, Richard L. Watson
  • Patent number: 7919017
    Abstract: Insulation fluids comprising polytrimethylene ether glycol esters are provided. The insulation fluids can be used in electrical apparatuses.
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: April 5, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Lisa C. Bates, Hari Babu Sunkara
  • Patent number: 7919553
    Abstract: The present invention aims to produce a rubber composition for a base tread, which suppresses reversion and achieves excellent mechanical strength, fuel economy and processability, and a tire using the rubber composition, with high efficiency to provide them to customers at low prices. The present invention relates to a rubber composition for a base tread, containing: a rubber component; and a mixture of a zinc salt of an aliphatic carboxylic acid and a zinc salt of an aromatic carboxylic acid, wherein the rubber component contains natural rubber and butadiene rubber, the butadiene rubber content being 10 to 90% by mass per 100% by mass of the rubber component, and the mixture of a zinc salt of an aliphatic carboxylic acid and a zinc salt of an aromatic carboxylic acid is contained in an amount of 1 to 10 parts by mass per 100 parts by mass of the rubber component.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: April 5, 2011
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Satoshi Kawasaki, Takayuki Hattori
  • Patent number: 7919566
    Abstract: A blend of a multiply branched lactic acid polymer of one steric configuration with a linear lactic acid polymer of the opposite steric configuration has different and more useful properties than either component alone.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: April 5, 2011
    Assignee: Tate & Lyle Public Limited Company
    Inventors: Nils Dan Anders Södergard, Erik Mikael Stolt
  • Patent number: 7919554
    Abstract: A heat-resistant seal material includes 100 parts by weight of a ternary fluoroelastomer, 1 to 30 parts by weight of vapor-grown carbon fibers having an average diameter of more than 30 nm and 200 nm or less, and carbon black having an average particle diameter of 25 to 500 nm. The heat-resistant seal material contains the vapor-grown carbon fibers and the carbon black in an amount of 20 to 40 parts by weight in total. The heat-resistant seal material has a compression set when subjected to a compression set test at a compression rate of 25% and a temperature of 200° C. for 70 hours of 0 to 15% and a dynamic modulus of elasticity at 200° C. (E?/200° C.) of 30 to 100 MPa.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: April 5, 2011
    Assignees: Nissin Kogyo Co., Ltd., Schlumberger Technology Corporation
    Inventors: Toru Noguchi, Hiroyuki Ueki, Akira Magario, Shigeki Inukai, Masaei Ito, Takashi Wanibuchi, Takushi Matsushita, Tsuyoshi Watanabe
  • Patent number: 7915336
    Abstract: Crosslinkable compositions based on polyamide and on ?-olefin-vinyl acetate copolymers, where the compositions comprise a crosslinking initiator, and also a co-crosslinking agent, and crosslinkable compositions based on polyamides and on ?-olefin-vinyl acetate copolymers, where these compositions comprise a crosslinking initiator and the amount of polyamide in the compositions is <30% by weight. The present invention further relates to the preparation of the crosslinkable compositions of the invention, to the use of the crosslinkable compositions of the invention for the production of thermoplastic elastomers, to a process for the crosslinking of the compositions of the invention to give a thermoplastic elastomer, and also to the thermoplastic elastomers themselves and to their use for the production of mouldings.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: March 29, 2011
    Assignee: LANXESS Deutschland GmbH
    Inventors: Kay Varnhorn, Jorg Mertinkat
  • Patent number: 7915328
    Abstract: Disclosed is a resinous, flame-retardant composition comprising (i) 40-66 wt. % alkenyl aromatic resin, (ii) 9-33 wt. % ammonium polyphosphate, (iii) 14-40 wt. % cellulosic material and (iv) an amount of between 0.1 parts per 100 parts resinous components (phr) and 10 phr of at least one metal stearate, wherein all weights are based on the total weight of the composition and wherein ammonium polyphosphate and cellulosic material are present in a weight % ratio effective to provide molded articles exhibiting at least V-1 flame rating as determined according to the UL-94 protocol. Processes to prepare the composition and articles comprising a composition of the invention are also disclosed.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: March 29, 2011
    Assignee: SABIC Innovative Plastics IP B.V.
    Inventors: Satish Gaggar, Cameron Youngstrom
  • Patent number: 7915198
    Abstract: The present invention includes an aqueous solution, comprising boric acid and non-colloidal silicic acid. This solution can also comprise a water absorbing additive. The solution contains bioavailable non-colloidal silicic acid, and the solution is stable for more than one year. The invention also describes a method for the preparation of a solution in which one or more silicon and boron compounds are hydrolysed in an acidic solution containing one or more dissolved water absorbing additives.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: March 29, 2011
    Assignee: Sabalo, N.V.
    Inventor: Willem Adrianus Kros
  • Patent number: 7915329
    Abstract: Disclosed is a flame-retardant composition comprising (i) 40-66 wt. % alkenyl aromatic resin, (ii) 9-33 wt. % ammonium polyphosphate and (iii) 14-40 wt. % starch, wherein all weights are based on the total weight of the composition and wherein ammonium polyphosphate and starch are present in a weight % ratio effective to provide molded articles exhibiting at least V-1 flame rating as determined according to the UL-94 protocol. Processes to prepare the composition and articles comprising a composition of the invention are also disclosed.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: March 29, 2011
    Assignee: SABIC Innovative Plastics IP B.V.
    Inventors: Satish Gaggar, Cameron Youngstrom, James F. Moore
  • Patent number: 7914844
    Abstract: A method of making a dispersion of reduced graphite oxide nanoplatelets involves providing a dispersion of graphite oxide nanoplatelets and reducing the graphite oxide nanoplatelets in the dispersion in the presence of a reducing agent and a polymer. The reduced graphite oxide nanoplatelets are reduced to an extent to provide a higher C/O ratio than graphite oxide. A stable dispersion having polymer-treated reduced graphite oxide nanoplatelets dispersed in a dispersing medium, such as water or organic liquid is provided. The polymer-treated, reduced graphite oxide nanoplatelets can be distributed in a polymer matrix to provide a composite material.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: March 29, 2011
    Assignee: Northwestern University
    Inventors: Sasha Stankovich, Sonbinh T. Nguyen, Rodney S. Ruoff
  • Patent number: 7915358
    Abstract: Copolymers when used as lubricating oil viscosity modifiers enable lubricating oils to show excellent low-temperature properties. Processes for producing the copolymers are disclosed. Lubricating oil viscosity modifiers and lubricating oil compositions contain the copolymers. A copolymer includes structural units derived from ethylene and structural units derived from a C3-20 ?-olefin and satisfies the following requirements (1) to (8): (1) the melting point (Tm) according to DSC is in the range of 0 to 60° C.; (2) the melting point (Tm) and the density D (g/cm3) satisfy the equation: Tm?1073×D?893; (3) Mw/Mn according to GPC is from 1.6 to 5.0; (4) the half-value width (?Thalf) of a melting peak measured by DSC is not more than 90° C.; (5) the half-value width (?Thalf) and the melting point (Tm) satisfy the equation: ?Thalf??0.71×Tm+101.4; (6) the heat of fusion (?H) as measured by DSC is not more than 60 J/g; (7) the crystallization temperature (Tc) measured by DSC is not more than 70° C.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: March 29, 2011
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Satoshi Ikeda, Akihiro Matsuda, Yoshiki Shimokawatoko, Junichi Mohri, Toshiyuki Shimazaki, Hiroshi Terao, Koji Takeda
  • Patent number: 7915047
    Abstract: A coating is used to detect a fluid leak.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: March 29, 2011
    Assignee: Los Alamos National Security, LLC
    Inventors: David L. Thorn, Karl K. Jonietz, James M. Boncella
  • Patent number: 7910824
    Abstract: A dye-sensitized solar cell using an ion-bound oligomer complex is provided. The dye-sensitized solar cell comprises an electrolyte, comprising a first oligomer having a C5-30 heteroaryl group containing a nitrogen heteroatom as a basic functional group at both ends of the molecule, mixed with a second oligomer having an acidic functional group selected from among carboxylic acid, phosphoric acid, and sulfonic acid, at both ends of the molecule, to thus form a salt, which then leads to an ion-bound oligomer complex that constitutes the electrolyte. The solar cell exhibits excellent mechanical properties, can be manufactured conveniently, and can have a high energy conversion efficiency.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: March 22, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung Hee Sohn, Sang Cheol Park, Jung Gyu Nam, Won Cheol Jung, Young Jun Park, Yong Soo Kang, Yong Gun Lee
  • Patent number: 7910654
    Abstract: A polymer blend film contains a film forming material containing at least a polymer having an absolute value of an intrinsic birefringence of 0.02 or less, and a cyclic olefin resin, wherein the film has a haze of 5% or less.
    Type: Grant
    Filed: January 27, 2009
    Date of Patent: March 22, 2011
    Assignee: Fujifilm Corporation
    Inventor: Jun Takeda
  • Patent number: 7910628
    Abstract: The disclosure relates to acid-based polymeric dispersants containing 2-[2-(2-methoxyethoxy)ethoxy]acetic acid for dispersing metal oxide nanoparticles in organic solvents such as methyl ethyl ketone (MEK) and butyl acetate.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: March 22, 2011
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Lisa Ann Mercando, Jeffrey Raymond Quay
  • Patent number: 7910686
    Abstract: The present invention relates to a block copolymer having at least one block having an acid group and at least one block having substantially no acid group, wherein one end group of a repeating unit in at least one block of all blocks is oxygen and/or sulfur, and at least one repeating unit of a block having substantially no acid group contains a halogen atom. The block copolymer of the present invention gives a polymer electrolyte membrane which is excellent not only in heat resistance and proton conductivity but also in water resistance and chemical stability, and is useful as an electrolyte for a proton conducting membrane etc. of a fuel cell.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: March 22, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroshi Shinoda, Atsushi Terahara
  • Patent number: 7910644
    Abstract: The present disclosure is directed to a coating composition that is capable of producing coatings being sag-free at high coating thicknesses, having excellent adhesion to substrates, and good appearance. This disclosure is further directed to a coating composition comprising components derived from renewable resources.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: March 22, 2011
    Assignee: E.I. du Pont de Nemours & Company
    Inventors: Rajesh Gopalan Saliya, Ayumu Yokoyama, Patricia Mary Ellen Sormani, Sheau-Hwa Ma, Eric C. Houze, Delson Jayme Trindade
  • Patent number: 7910670
    Abstract: A method of making an olefin oligomerization catalyst, comprising contacting a chromium-containing compound, a heteroatomic ligand, and a metal alkyl, wherein the chromium-containing compound comprises less than about 5 weight percent chromium oligomers. A method of making an olefin oligomerization catalyst comprising a chromium-containing compound, a nitrogen-containing compound, and a metal alkyl, the method comprising adding a composition comprising the chromium-containing compound to a composition comprising the metal alkyl. A method of making an olefin oligomerization catalyst comprising a chromium-containing compound, a nitrogen-containing compound, and a metal alkyl, the method comprising abating all or a portion of water, acidic protons, or both from a composition comprising the chromium-containing compound, a composition comprising the nitrogen-containing compound, or combinations thereof prior to or during the preparation of the catalyst.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: March 22, 2011
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Ronald D. Knudsen, Ronald G. Abbott, Bruce E. Kreischer, Eduardo J. Baralt, Brooke L. Small