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).

  • POLY(ARYLENE ETHER) COMPOSITION AND ARTICLE
    Publication number: 20080071000
    Abstract: A cured composition is prepared by curing a composition that includes an alkyl styrene and a low molecular weight, bifunctional poly(arylene ether). The curable composition can be prepared and processed at substantially lower temperatures than prior art poly(arylene ether) thermosets. The cured composition exhibits an improved balance of heat resistance, impact strength, and dielectric properties, making it particularly suitable for the fabrication of electronic components.
    Type: Application
    Filed: September 15, 2006
    Publication date: March 20, 2008
    Inventors: Christina Louise Braidwood, Hua Guo, Edward N. Peters
  • POLY(ARYLENE ETHER) COMPOSITION AND METHOD
    Publication number: 20080071034
    Abstract: A curable composition includes an alkyl styrene and a low molecular weight, bifunctional poly(arylene ether). The composition can be prepared and processed at substantially lower temperatures than prior art poly(arylene ether) thermosets. After curing, the composition exhibits an improved balance of heat resistance, impact strength, and dielectric properties, making it particularly suitable for the fabrication of electronic components.
    Type: Application
    Filed: September 15, 2006
    Publication date: March 20, 2008
    Inventors: Christina Louise Braidwood, Hua Guo, Edward N. Peters
  • CURABLE POLY(ARYLENE ETHER) COMPOSITION AND METHOD
    Publication number: 20080071035
    Abstract: A curable composition includes an epoxy resin and a bifunctional poly(arylene ether) having an intrinsic viscosity of about 0.03 to about 0.2 deciliter per gram. After curing, the composition exhibits markedly improved impact strength relative to a corresponding composition prepared from monofunctional poly(arylene ether).
    Type: Application
    Filed: September 15, 2006
    Publication date: March 20, 2008
    Inventors: Erik R. Delsman, Hua Guo, Edward N. Peters
  • POLY(ARYLENE ETHER) COMPOSITION, METHOD, AND ARTICLE
    Publication number: 20080045656
    Abstract: A composition includes a poly(arylene ether), a radial block copolymer having particular properties, and an optically enhancing additive. The composition exhibits an improved balance of ductility and optical clarity, making it useful in packaging applications, among others.
    Type: Application
    Filed: August 18, 2006
    Publication date: February 21, 2008
    Applicant: General Electric Company
    Inventors: Kim Balfour, Hua Guo, Vijay Mhetar
  • POLY(ARYLENE ETHER) COMPOSITION, METHOD, AND ARTICLE
    Publication number: 20080045655
    Abstract: A composition includes a poly(arylene ether) and a radial block copolymer having particular properties. The composition exhibits an improved balance of ductility and optical clarity, making it useful in packaging applications, among others.
    Type: Application
    Filed: August 18, 2006
    Publication date: February 21, 2008
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Kim Balfour, Hua Guo, Vijay Mhetar
  • POLY(ARYLENE ETHER) METHOD
    Publication number: 20080033141
    Abstract: A method of preparing a capped poly(arylene ether) is described. By controlling the order of addition and rates of addition of reactants, solvent, and catalyst, problems associated with known methods are avoided. The method is particularly suitable for large-scale preparations of a capped poly(arylene ether).
    Type: Application
    Filed: August 1, 2006
    Publication date: February 7, 2008
    Inventors: Gary M. Bates, Carolyn A. Degonzague, Raymond John Gerhart, Hua Guo, Zhiqing Lin, Thomas P. Mufaie, Abhijit Namjoshi, John M. Rowe, Nitin Vaish
  • Purified polymeric materials and methods of purifying polymeric materials
    Patent number: 7314907
    Abstract: A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a filtered polymeric composition having reduced levels of particulate impurities. The filtered polymeric composition prepared is suitable for use in data storage media applications.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: January 1, 2008
    Assignee: General Electric Company
    Inventors: Jiawen Dong, Hua Guo, Robert John Hossan, Christian Lietzau, Vijay Mhetar
  • POLY(ARYLENE ETHER) FRACTIONATION METHOD
    Publication number: 20070299205
    Abstract: A poly(arylene ether) may be fractionated into higher and lower molecular weight fractions by forming a mixture that includes a poly(arylene ether) starting material, a first solvent that is dichloromethane, bromochloromethane, dibromomethane, or a mixture thereof, and a second solvent different from the first solvent having a Hildebrand solubility parameter of about 16 to about 22 megapascal1/2. The mixture separates into fractions containing higher and lower molecular weight poly(arylene ether)s.
    Type: Application
    Filed: June 22, 2006
    Publication date: December 27, 2007
    Inventors: Hua Guo, Edward N. Peters
  • Input device with a page turning function
    Publication number: 20070273661
    Abstract: An input device with a page turning functionality is used with a set of communication cards, and includes a casing, a clip provided to hold the communication cards together, a processor, a touchpad, a memory, a speaker and a target page reminding device. When at least one communication block on a communication card is pressed, the processor generates a target page signal. The target page reminding device will remind a user to turn to the corresponding page according to the target page signal.
    Type: Application
    Filed: July 14, 2006
    Publication date: November 29, 2007
    Inventors: Kuo-Ping Yang, Ho-Hsin Liao, Shu-Hua Guo, I-Nan Wu, Chih-Long Chang, Chien-Liang Chiang, Kun-Yi Hua
  • CAPPED POLY(ARYLENE ETHER) COMPOSITION AND METHOD
    Publication number: 20070191577
    Abstract: A method of preparing a capped poly(arylene ether) resin includes reacting a capping agent with a blend of two or more poly(arylene ether) resins having different intrinsic viscosities. Cured compositions prepared from these capped poly(arylene ether) resins exhibit improved balances of stiffness, toughness, and dielectric properties compared to compositions with two or more separately capped and isolated poly(arylene ether) resins.
    Type: Application
    Filed: April 20, 2007
    Publication date: August 16, 2007
    Inventors: Gary Yeager, Hua Guo, Zhiqing Lin, Shahid Murtuza
  • Methods of preparing a polymeric material
    Patent number: 7256225
    Abstract: A method is disclosed to prepare a polymeric material by filtering solutions of poly(arylene ether) and/or poly(alkenyl aromatic) through one or more filtration systems to provide a material having reduced levels of particulate impurities. The polymeric material prepared is suitable for use in data storage media applications.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: August 14, 2007
    Assignee: General Electric Company
    Inventors: Paul W. Buckley, Jiawen Dong, Mark H. Giammattei, Hua Guo, Norberto Silvi
  • Thermoset composite composition, method, and article
    Patent number: 7250477
    Abstract: A curable composition includes a functionalized poly(arylene ether), an olefinically unsaturated monomer, and a nanofiller. Suitable nanofillers include, for example, carbon nanofibers and nanotubes, main group metal oxides, transition metal oxides, metal carbides, cermet materials, ceramics, glass, perovskites, layered inorganic materials, fibrillar inorganic materials, and combinations thereof. The nanofiller may, optionally, be rendered more organophilic by intercalation with neutral or ionic molecules. Methods of preparing and curing the composition, as well as uses for the cured composition, are described.
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: July 31, 2007
    Assignee: General Electric Company
    Inventors: Hua Guo, Zhiqing Lin, Gary William Yeager
  • Methods of purifying polymeric material
    Patent number: 7244813
    Abstract: A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a polymeric material having reduced levels of particulate impurities. The polymeric material prepared is suitable for use in data storage media applications.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: July 17, 2007
    Assignee: General Electric Company
    Inventors: Jiawen Dong, Hua Guo, Robert John Hossan
  • Capped poly(arylene ether) composition and method
    Patent number: 7235192
    Abstract: A method of preparing a capped poly(arylene ether) resin includes reacting a capping agent with a blend of two or more poly(arylene ether) resins having different intrinsic viscosities. Cured compositions prepared from these capped poly(arylene ether) resins exhibit improved balances of stiffness, toughness, and dielectric properties compared to compositions with two or more separately capped and isolated poly(arylene ether) resins.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: June 26, 2007
    Assignee: General Electric Company
    Inventors: Gary William Yeager, Hua Guo, Zhiqing Lin, Shahid Murtuza
  • Poly(arylene ether) copolymer
    Publication number: 20070135609
    Abstract: A poly(arylene ether) copolymer is the product of oxidative copolymerization of monomers including a monohydric phenol and a dihydric phenol. It has an intrinsic viscosity of about 0.04 to about 0.15 deciliter per gram and, on average, about 1.8 to about 2 hydroxyl groups per molecule. The poly(arylene ether) copolymer is enriched in low molecular weight copolymer chains and copolymer chains that include a terminal unit derived from the dihydric phenol.
    Type: Application
    Filed: December 8, 2005
    Publication date: June 14, 2007
    Inventors: Alvaro Carrillo, Erik Delsman, Hua Guo, Alexey Kruglov, Edward Peters
  • Polymer blend method, composition, and article
    Publication number: 20070117912
    Abstract: A polymer blend may be prepared by melt kneading a composition that includes a poly(arylene ether), a polystyrene, and a carboxylic acid concentrate including a carboxylic acid compound and a polymer resin having a glass transition temperature or a melting temperature of about 30 to about 175° C. Using the carboxylic acid concentrate reduces the concentrations of styrene monomer and toluene in the polymer blend.
    Type: Application
    Filed: November 18, 2005
    Publication date: May 24, 2007
    Inventors: Kim Balfour, Hua Guo, Mukund Parthasarathy
  • Polymer blend and method for its isolation
    Publication number: 20070106000
    Abstract: In a method of isolating a polymer blend from solution, a homogeneous solution including a poly(arylene ether), a poly(alkenyl aromatic), and a solvent is combined with an anti-solvent to form a dispersion containing solid particles. The solid particles have improved handling properties compared to particles formed from precipitation of the poly(arylene ether) alone.
    Type: Application
    Filed: November 10, 2005
    Publication date: May 10, 2007
    Inventors: Hua Guo, Allen Ko, Geoffrey Riding, John Rowe
  • Polyfunctional poly(arylene ether) method
    Publication number: 20070106051
    Abstract: A polyfunctional poly(arylene ether) resin may be prepared by a method that includes oxidatively copolymerizing a monohydric phenol and a polyhydric phenol in an aromatic hydrocarbon solvent in the presence of a catalyst comprising a metal ion and a nitrogen-containing ligand to form a solution comprising a polyfunctional poly(arylene ether) having an intrinsic viscosity of about 0.04 to about 0.3 deciliter per gram at 25° C. in chloroform; and contacting the polyfunctional poly(arylene ether) solution with an aqueous solution of a chelating agent to extract the metal ion from the solution; wherein the chelating agent and metal ion are present in a molar ratio of about 1.0 to about 1.5. The method reduces the formation of a dispersion during the chelation step.
    Type: Application
    Filed: November 10, 2005
    Publication date: May 10, 2007
    Inventors: Alvaro Carrillo, Erik Delsman, Hua Guo, Alexey Kruglov, Edward Peters
  • Removing permanganate-reducing impurities from acetic acid
    Patent number: 7208625
    Abstract: A method for removing permanganate-reducing impurities from an acetic acid product is disclosed. The method comprises contacting an acetic acid product containing permanganate-reducing impurities with peracetic acid and an oxygen-containing gas. The method is particularly suitable for post treatment of acetic acid that contains permanganate-reducing impurities such as crotonaldehyde.
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: April 24, 2007
    Assignee: Lyondell Chemical Technology, L.P.
    Inventors: Wei Wang, Shao-Hua Guo
  • Audio recording and playing device
    Patent number: D544881
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: June 19, 2007
    Inventors: Kuo-Ping Yang, Shu-Hua Guo, Ming-Hsiang Cheng, Yen-Jui Chiao