Patents Examined by Harold Pyon
  • Patent number: 9660259
    Abstract: A mixed positive electrode active material comprising a lithium manganese oxide represented by following [Chemical Formula 1] and a second positive electrode active material represented by following [Chemical Formula 2], and a lithium secondary battery comprising the same are disclosed. aLi2MnO3.(1?a)LixMO2??[Chemical Formula 1] In [Chemical Formula 1], 0<a<1, 0.9?x?1.2, and M is at least one element selected from the group consisting of Al, Mg, Mn, Ni, Co, Cr, V and Fe. Li4-xMn5-2x-yCO3xMyO12??[Chemical Formula 2] In [Chemical Formula 2], 0<x<1.5, 0?y<0.5, and M is at least one of transition metal elements. By comprising Mn-rich and Co-doped Li4Mn5O12, a rapid output decrease at a low SOC section may be relaxed to enlarge an available SOC section. Improved output may be obtained throughout an entire SOC section when compared with a case using pure Li4Mn5O12.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: May 23, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Song Taek Oh, Jung Hwan Park, Geun Chang Chung, Su Hwan Kim, Juichi Arai
  • Patent number: 9650534
    Abstract: There is provided a novel, environmentally friendly primer for use in the pretreatment steps in electroless plating, which can be easily used in fewer steps with a lower cost. A primer for forming a metallic plating film on a substrate by electroless plating, the primer including: a hyperbranched polymer having an ammonium group at a molecular terminal and a weight-average molecular weight of 500 to 5,000,000; and a metal fine particle.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: May 16, 2017
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventor: Keisuke Kojima
  • Patent number: 9637646
    Abstract: The present invention provides a conductive coating composition, which contains: a conductive organic polymer, a non-conductive organic compound, a solvent and optionally a curing agent; where the content of the conductive organic polymer is about 10% to about 50%, based on the total weight of the solids content in the composition. The present invention also provides a conductive film, which is formed by drying the conductive coating composition. The conductive film has a surface resistivity lower than 1000 ?/sq and a total light transmittance greater than 80%. The conductive coating composition of the present invention can be used as an electromagnetic interference shielding material or an electrode material, and can be applied to various electronic products.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: May 2, 2017
    Assignee: ETERNAL MATERIALS CO., LTD.
    Inventors: Wei-Kai Chen, Tu-Yi Wu, Chung-Jen Chang, Meng-Tso Chen
  • Patent number: 9632446
    Abstract: A charging member is provided, suppressing the occurrence of streak-like images resulting from resistance increase caused by degradation of the charging member due to electric conduction for a long period. A process cartridge and an electrophotographic apparatus are also provided, suppressing the occurrence of streak-like images and stably forming a high-quality electrophotographic image. The charging member comprises an electroconductive support and an electroconductive surface layer, the surface layer comprising at least one of the compounds respectively represented by formula (1), formula (3), and formula (4) defined in the specification, a binder resin, and a conducting agent. The process cartridge and the electrophotographic apparatus use the charging member.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: April 25, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hidekazu Matsuda, Noboru Miyagawa
  • Patent number: 9622945
    Abstract: Compositions and methods are disclosed for preventing or reducing frizzy appearance of keratin fibers, including hair, and reducing the amount of fly-away strands of hair, particularly in humid conditions, by forming a coating on hair that is resistant to water vapors from the air or surrounding environment. The compositions comprise a combination of a hydrophobic particulate material comprising a hydrophobically surface-modified oxide and one or more hydrophobic film formers in a cosmetically acceptable vehicle.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: April 18, 2017
    Assignee: Avon Products, Inc.
    Inventors: Mark S. Garrison, Freda E. Robinson, Giovana A. Sandstrom, Kenneth A. Buckridge, Sen Yang, Xiaochun Luo
  • Patent number: 9620257
    Abstract: Polymer compositions which are antistatic or have been made conductive and the production thereof.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: April 11, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Kathrin Lehmann, Stefan Stadtmueller, Peter Schwab
  • Patent number: 9620666
    Abstract: A diffusing agent composition including a condensation product and an impurity diffusion component. The condensation product is a reaction product resulting from hydrolysis of an alkoxysilane. The impurity diffusion component is a monoester or diester of phosphoric acid, or a mixture thereof.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: April 11, 2017
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Toshiro Morita, Takashi Kamizono
  • Patent number: 9595710
    Abstract: Disclosed are a cathode active material for lithium secondary batteries and a lithium secondary battery including the same and, more particularly, the present invention relates to a cathode active material for lithium secondary batteries that includes a mixture of an overlithiated transition metal oxide represented by Formula 1 below and a lithium composite transition metal oxide represented by Formula 2 below: Li1+aNibMncCo1-(a+b+c+d)MdO2-sAs??(1) LiNixMnyCo1-(x+y+z)M?zO2-tA?t??(2) wherein 0.1?a?0.2, 0.1?b?0.4, 0.3?c?0.7, 0?d?0.1, 0.5?x?0.8, 0.1?y?0.4, 0?z?0.1, 0?s<0.2, and 0?t<0.2; M and M? are each independently at least one divalent or trivalent metal; and A and A? are each independently at least one monovalent or divalent anion.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: March 14, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Hyeokmoo Lee, Song Taek Oh, Su Rim Lee, JungSeok Choi, Ji Hye Park
  • Patent number: 9577122
    Abstract: A conductive paste is provided which can form electrodes in crystalline silicon solar cells at low cost while ensuring that the electrodes exhibit low contact resistance with respect to both p-type and n-type impurity diffusion layers. The conductive paste for forming a solar cell electrode includes a silver powder, a glass frit, an additive particle and an organic vehicle, the glass frit having a glass transition point of 150 to 440° C., the additive particle including an alloy material containing 20 to 98 mass % aluminum, the conductive paste including the additive particle in an amount of 2 to 30 parts by weight with respect to 100 parts by weight of the silver powder.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: February 21, 2017
    Assignee: NAMICS CORPORATION
    Inventors: Noriyuki Sakai, Taeko Semba
  • Patent number: 9577257
    Abstract: A method of producing electrode active materials includes generating a source material of titanium (Ti) and a source material of iron (Fe) from an ilmenite, and performing a operation to the source material of Fe and the source material of Ti. The operation includes determining a content of Fe or Ti in the source material of Fe or Ti, preparing an intermediate mixture having the source material of Fe or Ti and other required source materials, ball-milling and drying the intermediate mixture, and sintering the intermediate mixture to form the electrode active materials.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: February 21, 2017
    Inventors: Guiqing Huang, Boshan Mo, Youde Mo
  • Patent number: 9576706
    Abstract: Disclosed is a method for preparing a carbon nanomaterial/polymer composite. More particularly, it relates to an improved method for preparing a carbon nanomaterial/polymer composite capable of solving a dust problem of a carbon nanomaterial powder and a layer separation problem due to large density difference between the carbon nanomaterial powder and a polymer pellet and providing superior physical properties of the composite, whereby an additive used to prepare the carbon nanomaterial/polymer composite is mixed with the carbon nanomaterial powder and prepared into a pellet, which is then mixed with the polymer pellet.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: February 21, 2017
    Assignee: KOREA KUMHO PETROCHEMICAL CO., LTD.
    Inventors: Sang Hyo Ryu, Kwon Ju, Nam Sun Choi, Sang Kyu Choi, Myung Wook Jung, Yu Hyun Song, Young Chan Jang
  • Patent number: 9561959
    Abstract: Disclosed is a new compound semiconductor material which may be used for thermoelectric material or the like, and its applications. The compound semiconductor may be represented by Chemical Formula 1 below: Chemical Formula 1 Bi1-xMxCu1-wTwOa-yQ1yTebSez where, in Chemical Formula 1, M is at least one selected from the group consisting of Ba, Sr, Ca, Mg, Cs, K, Na, Cd, Hg, Sn, Pb, Mn, Ga, In, Tl, As and Sb, Q1 is at least one selected from the group consisting of S, Se, As and Sb, T is at least one selected from the group consisting of transition metal elements, 0?x<1, 0<w<1, 0.2<a<1.5, 0?y<1.5, 0?b<1.5 and 0?z<1.5.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: February 7, 2017
    Assignee: LG CHEM, LTD.
    Inventors: O-Jong Kwon, Tae-Hoon Kim, Cheol-Hee Park, Kyung-Moon Ko, Chan-Yeup Chung
  • Patent number: 9556350
    Abstract: A concentrated dispersion of nanometric silver particles, and a method of producing the dispersion, the dispersion including a first solvent; a plurality of nanometric silver particles, in which a majority are single-crystal silver particles, the plurality of nanometric silver particles having an average secondary particle size (d50) within a range of 30 to 300 nanometers, the particles disposed within the solvent; and at least one dispersant; wherein a concentration of the silver particles within the dispersion is within a range of 30% to 75%, by weight, and wherein a concentration of the dispersant is within a range of 0.2% to 30% of the concentration of the silver particles, by weight.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: January 31, 2017
    Assignee: P.V. NANOCELL LTD.
    Inventors: Fernando De La Vega, Ganit Shter Bar Joshua, Semyon Melamed, Reuven Geva, Moshe Link
  • Patent number: 9546286
    Abstract: Disclosed herein are resistive composites comprising at least one resin; at least one carbon black having a surface hydrophobically modified with at least one organic group, the at least one organic group having a molecular weight of the composite of 4000 or less and comprising the formula —X(G)-, wherein X is directly attached to the at least one carbon black and is selected from arylene, heteroarylene, and alkylene, G is a substituent of X, and —X(G)- is nonionic; and wherein the resistive composite has a volume resistivity, Rv, at a relative volume fraction, XCB, of the at least one carbon black in the coating, where Rv is at least 106 ohm-cm; and log Rv has a substantially linear relationship with XCB when XCB is varied from 0.1 to 0.5. Also disclosed are coatings made from such composites, such as coatings for rollers/belts for office automation machines, and methods of making such coatings.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: January 17, 2017
    Assignee: Cabot Corporation
    Inventors: Eugene N. Step, Andriy Korchev, Agathagelos Kyrlidis, Clovis D. Haynes, Gregory R. Schulz, John R. Szwec
  • Patent number: 9545668
    Abstract: A fine silver particle-containing composition includes a large number of fine silver particles 2 and a coating layer 4 that covers a surface of each silver particle 2. The silver particle 2 is a so-called nano particle. The silver particle 2 has a scale-like shape. The coating layer 4 consists of an organic compound. The organic compound binds to the silver particle 2. The organic compound suppresses aggregation of the silver particle 2. The composition is in a cake form. A weight ratio of the organic compound with regard to the total amount of the composition is not lower than 2% but not higher than 15%.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: January 17, 2017
    Assignee: TOKUSEN KOGYO CO., LTD.
    Inventors: Insoo Kim, Chang-Gun Lee, Tomoki Kitafuji
  • Patent number: 9534120
    Abstract: This invention relates to galvanic aluminum alloy powder-pigments coated with semi-conducting corrosion-inhibiting compositions and particularly to the process for preparing said coated powder-pigments for coating substrates to inhibit corrosion. The coated aluminum alloy powder-pigments are electrically active and prevent corrosion of metals which are more cathodic (electropositive) than the coated-aluminum alloy pigments.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: January 3, 2017
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Craig Matzdorf, William Nickerson
  • Patent number: 9505935
    Abstract: The present invention relates to an antistatic release agent comprising an aqueous solution of an electrically conductive polymer complex composed of a ?-conjugated electrically conductive polymer and a polyanion having an anionic group in a molecule thereof, an alkaline compound, a silicone emulsion and a dispersion medium, wherein the alkaline compound is at least one type of compound selected from the group consisting of an inorganic alkali, as amine compound and a nitrogen-containing aromatic cyclic compound, the content of the alkaline compound in the antistatic release agent is 0.7 times or more relative to the number of moles of the neutralization equivalent of the electrically conductive polymer complex, and the pH of the antistatic release agent at 25° C. is 10 or lower. The present invention can provide an antistatic release agent having superior storage stability for forming an antistatic release coated film.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: November 29, 2016
    Assignee: SHIN-ETSU POLYMER CO., LTD.
    Inventors: Kouhei Kanto, Sou Matsubayashi, Kenichi Fujitsuna, Kazuyoshi Yoshida
  • Patent number: 9497859
    Abstract: Provided is a metal microparticle dispersion including metal microparticles, a polymeric dispersant and a dispersion medium, wherein an average primary particle diameter of the metal microparticles is 0.001 to 0.5 ?m; the polymeric dispersant has a polyester skeleton in at least one of a principal chain and a side chain thereof; or the polymeric dispersant has a polyether skeleton in at least one of a principal chain and a side chain thereof; and a content of the above polymeric dispersant is 0.1 to 100 parts by mass based on a content of 100 parts by mass of the metal microparticles. Further, provided is a production process for an electrically conductive substrate, and an electrically conductive substrate produced by the above production process is provided.
    Type: Grant
    Filed: September 6, 2010
    Date of Patent: November 15, 2016
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Mikiko Hojo, Shinya Yoneda, Naonobu Yoshi, Takeshi Sato, Kisei Matsumoto
  • Patent number: 9490481
    Abstract: Provided is a metal oxide for a cathode active material of a lithium secondary battery capable of having improved structural and thermal stability, high efficiency, high capacity, and excellent cycle property and life span property, the metal oxide represented by the following Chemical Formula 1: LiaNixCoyMzO2??[Chemical Formula 1] (in Chemical Formula 1, M is any one selected from aluminum, magnesium, titanium, gallium and indium, and a, x, y and z satisfy 1.01?a?1.05, 0.7?x?0.9, 0?y?0.17, 0.02?z?0.16, and x+y+z=1, respectively).
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: November 8, 2016
    Assignee: SK Innovation Co., Ltd.
    Inventors: Soo Ho Kim, Hae Suk Hwang, Min Gu Kang, Jae Phil Cho, Min Ki Jo
  • Patent number: 9481798
    Abstract: Nanostructured compositions containing carbon nanotubes and at least one other type of nanoparticle can display the beneficial properties of both substances. Nanostructured compositions can contain a plurality of carbon nanotubes, a plurality of nanoparticles, and a plurality of linker moieties, where at least a portion of the linker moieties connect at least a portion of the carbon nanotubes to the nanoparticles. The nanostructured compositions can form a substrate coating. The nanostructured compositions can contain two or more different types or sizes of nanoparticles. Methods for forming a nanostructured composition can include forming a non-covalent bond between a linker moiety and a carbon nanotube, forming a covalent bond between a linker moiety and a nanoparticle or a surfactant coating thereon, and applying a plurality of carbon nanotubes to a substrate. The linker moiety can be non-covalently bonded to the carbon nanotube before or after applying the carbon nanotubes to the substrate.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: November 1, 2016
    Assignee: Lockheed Martin Corporation
    Inventors: Timothy B. Stachowiak, Georgina Baca, Ashley E. Pietz, Hilary S. Lackritz