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).
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Patent number: 6780959Abstract: 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: GrantFiled: June 3, 2003Date of Patent: August 24, 2004Assignee: General Electric CompanyInventors: Adrianus J. F. M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Publication number: 20030229196Abstract: 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: ApplicationFiled: June 3, 2003Publication date: December 11, 2003Applicant: GENERAL ELECTRIC COMPANYInventors: Adrianus J.F.M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Patent number: 6627708Abstract: 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: GrantFiled: March 26, 2002Date of Patent: September 30, 2003Assignee: General Electric CompanyInventors: Adrianus J. F. M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Patent number: 6579925Abstract: 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: GrantFiled: February 16, 2000Date of Patent: June 17, 2003Assignee: General Electric CompanyInventors: Johannes E. Fortuyn, Torben Paul Kempers, Juraj Liska
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Poly (arylene ether) composition, method for the preparation thereof, and articles derived therefrom
Patent number: 6552105Abstract: 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: GrantFiled: February 13, 2001Date of Patent: April 22, 2003Assignee: General Electric CompanyInventors: Adrianus J. F. M. Braat, Amy Rene Freshour, Hua Guo, Rene de Jongh, Juraj Liska -
Patent number: 6469124Abstract: 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: GrantFiled: December 18, 2001Date of Patent: October 22, 2002Assignee: General Electric CompanyInventors: Adrianus J.F.M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Patent number: 6455663Abstract: 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: GrantFiled: August 30, 2001Date of Patent: September 24, 2002Assignee: General Electric CompanyInventors: Adrianus J. F. M. Braat, Hugo G. E. Engelbrecht, Juraj Liska
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Publication number: 20020128400Abstract: 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: ApplicationFiled: March 26, 2002Publication date: September 12, 2002Inventors: Adrianus J.F.M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Patent number: 6448327Abstract: An elastomer-thermoplastic composition comprising styrene butadiene random copolymer and poly(arylene ether) resin and methods of making the composition are disclosed.Type: GrantFiled: August 23, 2000Date of Patent: September 10, 2002Assignee: General Electric CompanyInventors: Adrianus J. F. M. Braat, Benny David, Hua Guo, Juraj Liska, Herb Chao, Kenneth P. Zarnoch
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Patent number: 6417274Abstract: 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: GrantFiled: February 5, 1999Date of Patent: July 9, 2002Assignee: General Electric Co.Inventors: Adrianus J. F. M. Braat, Rene de Jongh, Juraj Liska
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Publication number: 20020062001Abstract: 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: ApplicationFiled: December 18, 2001Publication date: May 23, 2002Inventors: Adrianus J.F.M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Patent number: 6384176Abstract: 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: GrantFiled: July 10, 2000Date of Patent: May 7, 2002Assignee: General Electric Co.Inventors: Adrianus J. F. M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Publication number: 20020042494Abstract: 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: ApplicationFiled: August 30, 2001Publication date: April 11, 2002Inventors: Adrianus J.F.M. Braat, Hugo G.E. Engelbrecht, Juraj Liska
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Patent number: 6339131Abstract: 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, &mdashType: GrantFiled: December 6, 1999Date of Patent: January 15, 2002Assignee: General Electric CompanyInventors: James A. Cella, Juraj Liska, Victoria L. Ulery, Gary W. Yeager, Susan Adams Nye, Hua Guo, Navjot Singh
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Poly (arylene ether) composition, method for the preparation thereof, and articles derived therefrom
Publication number: 20010036981Abstract: 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: ApplicationFiled: February 13, 2001Publication date: November 1, 2001Inventors: Adrianus J.F.M. Braat, Amy Rene Freshour, Hua Guo, Rene De Jongh, Juraj Liska -
Patent number: 6307010Abstract: 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: GrantFiled: February 5, 1999Date of Patent: October 23, 2001Assignee: General Electric CompanyInventors: Adrianus J. F. M. Braat, Hugo G. E. Engelbrecht, Juraj Liska
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Patent number: 6306978Abstract: 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: GrantFiled: February 5, 1999Date of Patent: October 23, 2001Assignee: General Electric CompanyInventors: Adrianus J. F. M. Braat, Adrie Landa, Juraj Liska
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Patent number: 5969180Abstract: 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: GrantFiled: January 30, 1998Date of Patent: October 19, 1999Assignee: General Electric CompanyInventors: Geert-Jan Willems, Juraj Liska
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Patent number: 5880221Abstract: 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: GrantFiled: February 14, 1997Date of Patent: March 9, 1999Assignee: General Electric CompanyInventors: Juraj Liska, Hubertus Adrianus Maria van Aert, Gert De Wit