Patents by Inventor Hua Guo

Hua Guo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for electrical insulation and insulated electrical conductor
    Publication number: 20070066710
    Abstract: An electrically conductive material may be electrically insulated with a curable composition that includes a curable compound, such as an unsaturated polyester resin, and a functionalized poly(arylene ether) resin. After curing, the composition exhibits increased flexural strength, increased impact strength, and improved tensile properties relative to currently employed insulation materials.
    Type: Application
    Filed: September 21, 2005
    Publication date: March 22, 2007
    Inventors: Edward Peters, Zhiqing Lin, Hua Guo
  • Poly(arylene ether) blends having low melt viscosity in the absence of plasticizer
    Patent number: 7183350
    Abstract: A poly(arylene ether) composition comprises a first poly(arylene ether) resin having an intrinsic viscosity greater than or equal to about 0.3 dl/g, as measured in chloroform at 25° C. and a second viscosity poly(arylene ether) resin having an intrinsic viscosity less than or equal to about 0.17 dl/g, as measured in chloroform at 25° C. wherein the composition is essentially free of plasticizers.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: February 27, 2007
    Assignee: General Electric Company
    Inventors: Kim Balfour, Hua Guo, Michael Murray
  • CAPPED POLY(ARYLENE ETHER) COMPOSITION AND PROCESS
    Publication number: 20060287439
    Abstract: A thermoset composition exhibiting reduced water absorption in the cured state includes an olefinically unsaturated monomer and a capped poly(arylene ether) prepared by the reaction of an uncapped poly(arylene ether) with an anhydride capping agent. The capped poly(arylene ether) is isolated and/or purified by methods that reduce the concentrations of polar impurities that contribute to water absorption by the cured composition.
    Type: Application
    Filed: August 28, 2006
    Publication date: December 21, 2006
    Inventors: Kenneth Zarnoch, John Campbell, Amy Freshour, Hua Guo, John Rude, Prameela Susarla, Michael Vallance, Gary Yeager
  • Capped poly(arylene ether) composition and process
    Patent number: 7148296
    Abstract: A thermoset composition exhibiting reduced water absorption in the cured state includes an olefinically unsaturated monomer and a capped poly(arylene ether) prepared by the reaction of an uncapped poly(arylene ether) with an anhydride capping agent. The capped poly(arylene ether) is isolated and/or purified by methods that reduce the concentrations of polar impurities that contribute to water absorption by the cured composition.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: December 12, 2006
    Assignee: General Electric Company
    Inventors: Kenneth Paul Zarnoch, John Robert Campbell, Amy Rene Freshour, Hua Guo, John Austin Rude, Prameela Susarla, Michael Alan Vallance, Gary William Yeager
  • Olefin polymerization with polymer bound single-site catalysts
    Patent number: 7125939
    Abstract: Disclosed is a process for polymerizing olefins. The process comprises polymerizing one or more olefins with a single-site catalyst in two or more polymerization stages. The catalyst comprises a transition metal complex, an activator, and a hydroxyl functional polymer. The complex, the activator, or both are chemically bound to the hydroxyl functional polymer.
    Type: Grant
    Filed: August 30, 2004
    Date of Patent: October 24, 2006
    Assignee: Equistar Chemicals, LP
    Inventors: Shaotian Wang, Shao-Hua Guo
  • Drycleaning method using dipropylene glycol n-propyl ether
    Patent number: 7087094
    Abstract: A drycleaning method is disclosed. In the method, a composition that comprises dipropylene glycol n-propyl ether (DPnP) and is essentially free of siloxanes or polysulfonic acids is used. The composition contains at least about 80 wt. % DPnP and up to about 15 wt. % of water. The method enables superior stain removal while avoiding excessive fabric shrinkage or soil redeposition.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: August 8, 2006
    Assignee: Lyondell Chemical Technology, L.P.
    Inventors: Paul E. Galick, Larry W. Arndt, Shao-Hua Guo, Ellen S. Lenz, David R. Kinney
  • Polymerization catalyst system containing polyether-modified aluminoxane
    Patent number: 7084221
    Abstract: A modified aluminoxane is disclosed. Aluminoxane compounds are modified with glycol ethers or polyethers. The modified aluminoxanes are effective activators for single-site catalysts. Catalyst activated with the modified aluminoxane produces polyolefin with increased melt flow index, broadened molecular weight distribution, and improved thermal processability.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: August 1, 2006
    Assignee: Equistar Chemicals, LP
    Inventors: Shao-Hua Guo, Shaotian Wang
  • Flexible poly(arylene ether) composition and articles thereof
    Publication number: 20060135695
    Abstract: A thermoplastic composition comprising a poly(arylene ether), a polyolefin, and a polymeric compatibilizer selected from the group consisting of (i) a block copolymer wherein a central block is a controlled distribution copolymer, and (ii) a polypropylene-polystyrene graft copolymer; is disclosed. The composition is useful in the production of covered wire.
    Type: Application
    Filed: October 24, 2005
    Publication date: June 22, 2006
    Inventors: Hua Guo, Vijay Mhetar, Vijay Rajamani
  • Methods of preparing a polymeric material composite
    Patent number: 7041780
    Abstract: Methods to prepare a poly(arylene ether) and poly(alkenyl aromatic) polymeric material having reduced levels of particulate impurities are described. The polymeric material prepared is suitable for use in data storage media applications.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: May 9, 2006
    Assignee: General Electric
    Inventors: Paul W. Buckley, Jiawen Dong, Mark H. Giammattei, Hua Guo, Robert John Hossan, Christian Lietzau, Norberto Silvi
  • Olefin polymerization with polymer bound single-site catalysts
    Publication number: 20060047093
    Abstract: Disclosed is a process for polymerizing olefins. The process comprises polymerizing one or more olefins with a single-site catalyst in two or more polymerization stages. The catalyst comprises a transition metal complex, an activator, and a hydroxyl functional polymer. The complex, the activator, or both are chemically bound to the hydroxyl functional polymer.
    Type: Application
    Filed: August 30, 2004
    Publication date: March 2, 2006
    Inventors: Shaotian Wang, Shao-Hua Guo
  • Molding method for curable poly(arylene ether) composition and article thereby
    Publication number: 20060038324
    Abstract: A curable composition containing a functionalized poly(arylene ether), an acryloyl monomer, and a filler is compression molded by a method that includes introducing the composition to a mold, closing the mold and applying a first temperature of about 120 to about 200° C. and a first pressure of about 1,000 to about 40,000 kilopascals for about 1 to about 100 seconds; opening the mold for about 0.005 to about 10 seconds; and closing the mold a second time and applying a second temperature of about 120 to about 200° C. and a second pressure of about 1,000 to about 40,000 kilopascals for about 20 to about 100 seconds. Molded articles formed by the method exhibit improved dielectric properties.
    Type: Application
    Filed: August 20, 2004
    Publication date: February 23, 2006
    Inventors: Gary Yeager, Bryan Duffey, Hua Guo, Zhiqing Lin, Nitin Vaish
  • Poly(arylene ether) compression molding
    Publication number: 20050230869
    Abstract: A method for compression molding of poly(arylene ether) powder comprises introducing a powder comprising unheated poly(arylene ether) powder to compaction equipment comprising a compression mold and subjecting the powder in the compression mold to a pressure sufficient to produce an article having a density greater than the unheated poly(arylene ether) powder wherein the pressure is applied at a temperature less than the glass transition temperature of the poly(arylene ether) powder.
    Type: Application
    Filed: April 16, 2004
    Publication date: October 20, 2005
    Inventors: Manatesh Chakraborty, Hua Guo, Lakshmikant Powale
  • Learning device with page indicators
    Publication number: 20050186547
    Abstract: A learning device with page indicators includes a case, a touch pad, an electronic control unit and multiple page indicators. When each learning card is placed on the touch pad, the position next to the page actuating mark of each learning card has one corresponding page indicator. When the page actuating mark is touched, the corresponding page indicator is activated.
    Type: Application
    Filed: May 7, 2004
    Publication date: August 25, 2005
    Applicant: Kuo-Ping Yang
    Inventors: Kuo-Ping Yang, Ching-Hsiang Shih, Shu-Hua Guo, Yen-Jui Chiao, Ming Cheng, Chao Huang, I-Nan Wu
  • Polymer bound single-site catalysts
    Patent number: 6930156
    Abstract: A single-site catalyst is disclosed. The catalyst comprises a transition metal complex, an activator, and an allylic alcohol-containing polymer. The catalyst has high activity and great capability to incorporate higher ?-olefins into polyethylene. The polyethylene produced has high molecular weight and low density.
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: August 16, 2005
    Assignee: Equistar Chemicals, LP
    Inventors: Shaotian Wang, Shao-Hua Guo
  • Method for isolating polymer resin from solution slurries
    Patent number: 6927277
    Abstract: Soluble polymer resins are separated from a solution slurry with the use of a precipitation aid where the slurry contains the polymer resin in both a soluble form and a solid particulate phase. The precipitation aid absorbs onto the surface of the solid polymer resin particulates and is a suitable blend component for formulations of the polymer resin. The solution slurry may be concentrated and heated prior to precipitation of the polymer resin.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: August 9, 2005
    Assignee: General Electric Company
    Inventors: Gary Mell Bates, Hua Guo
  • LTMC POLYMERIZATION OF UNSATURATED MONOMERS
    Publication number: 20050143537
    Abstract: A process for polymerizing unsaturated monomers is disclosed. The process comprises polymerizing, in the presence of a late transition metal catalyst (LTMC), a variety of unsaturated monomers which are traditionally, some of which are exclusively, made by free radical polymerizations. The LTMC polymerization provides the polymer with improved properties such as no free radical residue and narrow molecular weight distribution.
    Type: Application
    Filed: December 30, 2003
    Publication date: June 30, 2005
    Inventors: Jia-Chu Liu, Shao-Hua Guo
  • LTMC polymerization of unsaturated monomers
    Publication number: 20050143538
    Abstract: A process for polymerizing unsaturated monomers is disclosed. The process comprises polymerizing, in the presence of a late transition metal catalyst (LTMC), a variety of unsaturated monomers which are traditionally, some of which are exclusively, made by free radical polymerizations. The LTMC polymerization provides the polymer with improved properties such as no free radical residue and narrow molecular weight distribution.
    Type: Application
    Filed: February 24, 2005
    Publication date: June 30, 2005
    Inventors: Jia-Chu Liu, Shao-Hua Guo
  • UV-curable compositions
    Patent number: 6906136
    Abstract: A UV-curable composition is disclosed. The composition comprises a crosslinking agent, a hydroxyalkyl acrylate or methacrylate, and an acrylic polyol. The crosslinking agent is selected from the group consisting of multifunctional isocyanates, melamines, and silanes. The acrylic polyol comprises recurring units of an allylic alcohol. The composition can be irradiated to be solidified and then fully cured by the urethane, melamine, or silane reactions. Alternatively, the composition can be cured by the urethane, melamine, or silane reactions, and then fully cured by radiation. The invention provides low VOC but high performance coatings. More importantly, the invention provides a UV-curable system without the need for acrylated oligomers.
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: June 14, 2005
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Daniel B. Pourreau, Shanti P. Patel, L. Joseph Junker, Wei Wang, Stephen H. Harris, Shao-Hua Guo
  • Electrically conductive thermoset composition, method for the preparation thereof, and articles derived therefrom
    Patent number: 6905637
    Abstract: A conductive thermosetting composition comprises a functionalized poly(arylene ether), and alkenyl aromatic monomer, an acryloyl monomer, and a conductive agent. After curing, the composition exhibits good stiffness, toughness, heat resistance, and conductivity, and it is useful in the fabrication of a variety of conductive components, including the bipolar plates of fuel cells.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: June 14, 2005
    Assignee: General Electric Company
    Inventors: Gary William Yeager, Manuel Cavazos, Hua Guo, Glen David Merfeld, John Rude, Erich Otto Teutsch, Kenneth Paul Zarnoch
  • LTMC polymerization of unsaturated monomers
    Patent number: 6903169
    Abstract: A process for polymerizing unsaturated monomers is disclosed. The process comprises polymerizing, in the presence of a late transition metal catalyst (LTMC), a variety of unsaturated monomers which are traditionally, some of which are exclusively, made by free radical polymerizations. The LTMC polymerization provides the polymer with improved properties such as no free radical residue and narrow molecular weight distribution.
    Type: Grant
    Filed: December 30, 2003
    Date of Patent: June 7, 2005
    Assignee: Equistar Chemicals, LP
    Inventors: Jia-Chu Liu, Shao-Hua Guo