Patents by Inventor Juraj Liska

Juraj Liska 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).

  • Patent number: 6780959
    Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: August 24, 2004
    Assignee: General Electric Company
    Inventors: Adrianus J. F. M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
  • Publication number: 20030229196
    Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.
    Type: Application
    Filed: June 3, 2003
    Publication date: December 11, 2003
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Adrianus J.F.M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
  • Patent number: 6627708
    Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: September 30, 2003
    Assignee: General Electric Company
    Inventors: Adrianus J. F. M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
  • Patent number: 6579925
    Abstract: Excellent physical properties and reduced dust formation are exhibited by thermoplastic compositions comprising a poly(arylene ether); a polystyrene; a metal hydroxide; and optionally, a rubber material. The thermoplastic compositions are particularly useful for molding automobile interior parts.
    Type: Grant
    Filed: February 16, 2000
    Date of Patent: June 17, 2003
    Assignee: General Electric Company
    Inventors: Johannes E. Fortuyn, Torben Paul Kempers, Juraj Liska
  • Patent number: 6552105
    Abstract: A composition comprises a bitumen and a poly(arylene ether) having an intrinsic viscosity less than 0.40 deciliters per gram. The composition exhibits high softening and flow temperatures, and high hardness.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: April 22, 2003
    Assignee: General Electric Company
    Inventors: Adrianus J. F. M. Braat, Amy Rene Freshour, Hua Guo, Rene de Jongh, Juraj Liska
  • Patent number: 6469124
    Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: October 22, 2002
    Assignee: General Electric Company
    Inventors: Adrianus J.F.M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
  • Patent number: 6455663
    Abstract: The invention relates to a novel process for the manufacture of functionalized polyphenylene ether resins through redistribution with a functionalized phenolic compound in the polyphenylene ether resin polymerization reaction solution without the addition of an added redistribution catalyst or promoter. The invention also relates to the functionalized polyphenylene ether resin made by the process as well as blends and articles containing the functionalized polyphenylene ether resin made by the process.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: September 24, 2002
    Assignee: General Electric Company
    Inventors: Adrianus J. F. M. Braat, Hugo G. E. Engelbrecht, Juraj Liska
  • Publication number: 20020128400
    Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.
    Type: Application
    Filed: March 26, 2002
    Publication date: September 12, 2002
    Inventors: Adrianus J.F.M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
  • Patent number: 6448327
    Abstract: An elastomer-thermoplastic composition comprising styrene butadiene random copolymer and poly(arylene ether) resin and methods of making the composition are disclosed.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: September 10, 2002
    Assignee: General Electric Company
    Inventors: Adrianus J. F. M. Braat, Benny David, Hua Guo, Juraj Liska, Herb Chao, Kenneth P. Zarnoch
  • Patent number: 6417274
    Abstract: The invention relates to a novel process for preparing functionalized PPE, the process comprising oxidative coupling in a reaction solution at least one monovalent phenol species using an oxygen containing gas and a complex metal catalyst to produce a PPE; and functionalizing the PPE prior to and/or during at least one isolation step for devolatilization of the reaction solvent. The invention also relates to the polyphenylene ether resin made by the process as well as blends and articles containing the polyphenylene ether resin made by the process.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: July 9, 2002
    Assignee: General Electric Co.
    Inventors: Adrianus J. F. M. Braat, Rene de Jongh, Juraj Liska
  • Publication number: 20020062001
    Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.
    Type: Application
    Filed: December 18, 2001
    Publication date: May 23, 2002
    Inventors: Adrianus J.F.M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
  • Patent number: 6384176
    Abstract: The invention relates to a novel process for the manufacture of polyphenylene ether resin containing residual aliphatic unsaturation. The invention also relates to the polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, and thermoplastics such as polyolefins.
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: May 7, 2002
    Assignee: General Electric Co.
    Inventors: Adrianus J. F. M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
  • Publication number: 20020042494
    Abstract: The invention relates to a novel process for the manufacture of functionalized polyphenylene ether resins through redistribution with a functionalized phenolic compound in the polyphenylene ether resin polymerization reaction solution without the addition of an added redistribution catalyst or promoter.
    Type: Application
    Filed: August 30, 2001
    Publication date: April 11, 2002
    Inventors: Adrianus J.F.M. Braat, Hugo G.E. Engelbrecht, Juraj Liska
  • Patent number: 6339131
    Abstract: A method comprising (a) synthesis of a poly(arylene ether) having the structure (1) wherein m is an integer having an average value in the range from about 3 to about 300; (b) solution functionalization of polymer (1) to form functionalized poly(arylene ether) having the structure (2) wherein X is a reactive functional group selected from the group consisting of anhydride, hydroxyl, epoxy, carboxyl, —R1OH, R1CO2R2, —R1CH2═CH2, or vinyl, wherein R1 is a primary or secondary divalent alkyl or haloalky group having from 1 to 20 carbons, or an aryl group and R2 is a primary or secondary alkyl group having from 1 to 10 carbons; and Q4 is hydrogen, X, or a mixture thereof; (c) reaction of functionalized poly(arylene ether) (2) with a poly(organosiloxane) having structure (3): wherein x is zero or one and Y is a functional group reactive with X, selected from the group consisting of —OH, —CH2═CH2, epoxy, amino, carboxy, &mdash
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: January 15, 2002
    Assignee: General Electric Company
    Inventors: James A. Cella, Juraj Liska, Victoria L. Ulery, Gary W. Yeager, Susan Adams Nye, Hua Guo, Navjot Singh
  • Publication number: 20010036981
    Abstract: A composition comprises a bitumen and a poly(arylene ether) having an intrinsic viscosity less than 0.40 deciliters per gram. The composition exhibits high softening and flow temperatures, and high hardness.
    Type: Application
    Filed: February 13, 2001
    Publication date: November 1, 2001
    Inventors: Adrianus J.F.M. Braat, Amy Rene Freshour, Hua Guo, Rene De Jongh, Juraj Liska
  • Patent number: 6307010
    Abstract: The invention relates to a novel process for the manufacture of functionalized polyphenylene ether resins through redistribution with a functionalized phenolic compound in the polyphenylene ether resin polymerization reaction solution without the addition of an added redistribution catalyst or promoter. The invention also relates to the functionalized polyphenylene ether resin made by the process as well as blends and articles containing the functionalized polyphenylene ether resin made by the process.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: October 23, 2001
    Assignee: General Electric Company
    Inventors: Adrianus J. F. M. Braat, Hugo G. E. Engelbrecht, Juraj Liska
  • Patent number: 6306978
    Abstract: The invention relates to methods of capping poly(phenylene ether) resin having an intrinsic viscosity between 0.05 and 0.35 dl/g. More particularly, the methods comprise capping a poly(phenylene ether) resin having an intrinsic viscosity between 0.05 and 0.35 dl/g in a solvent to produce a capped poly(phenylene ether) resin having an intrinsic viscosity between 0.05 and 0.35 dl/g and isolating the capped poly(phenylene ether) resin by removal of the solvent, preferably in a process other than precipitation. The invention also relates to the capped poly(phenylene ether) resin having an intrinsic viscosity between 0.05 and 0.35 dl/g.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: October 23, 2001
    Assignee: General Electric Company
    Inventors: Adrianus J. F. M. Braat, Adrie Landa, Juraj Liska
  • Patent number: 5969180
    Abstract: An improved method for the preparation of functionalized substituted bisphenol compound is provided. In particular, there is provided a method of making a functionalized substituted bisphenol compound of the formula: ##STR1## which comprises heating a mixture comprising a 2,6-dimethylphenol and levulinic acid in the presence of an effective amount of a macroreticular ion-exchange resin, optionally with removal of the water of reaction.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: October 19, 1999
    Assignee: General Electric Company
    Inventors: Geert-Jan Willems, Juraj Liska
  • Patent number: 5880221
    Abstract: The present invention deals with the distribution of polyphenylene ethers 1. by reacting the polyphenylene ether in solution with a phenolic compound, wherein special phenolic compounds are used. The redistribution reaction can be performed in toluene or in toluene/alcohol blends. The reaction can be run in the presence or the absence of a catalyst.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: March 9, 1999
    Assignee: General Electric Company
    Inventors: Juraj Liska, Hubertus Adrianus Maria van Aert, Gert De Wit