Patents by Inventor Julie K. Wright

Julie K. Wright 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: 9790358
    Abstract: Blended fluoropolymer compositions are provided. In one embodiment, a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer. The first fluoropolymer may be polytetrafluoroethylene (PTFE), such as a low molecular weight PTFE (LPTFE) that has been polymerized via a dispersion or emulsion polymerization process, and which has not been agglomerated, irradiated, or thermally degraded. The LPTFE may be in the form of an aqueous dispersion, having a mean particle size of less than 1.0 microns (?m), with the LPTFE having a first melt temperature (Tm) of 332° C. or less. The second fluoropolymer may be a melt processable fluoropolymer (MPF), such as fluorinated ethylene propylene (FEP), in the form of an aqueous dispersion, and having a mean particle size of less than 1.0 microns (?m).
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: October 17, 2017
    Assignee: Whitford Corporation
    Inventors: Leonard W. Harvey, Michael Coates, Julie K. Wright
  • Publication number: 20170066914
    Abstract: Blended fluoropolymer compositions are provided. In one embodiment, a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer. The first fluoropolymer may be polytetrafluoroethylene (PTFE), such as a low molecular weight PTFE (LPTFE) that has been polymerized via a dispersion or emulsion polymerization process, and which has not been agglomerated, irradiated, or thermally degraded. The LPTFE may be in the form of an aqueous dispersion, having a mean particle size of less than 1.0 microns (?m), with the LPTFE having a first melt temperature (Tm) of 332° C. or less. The second fluoropolymer may be a melt processable fluoropolymer (MPF), such as methylfluoroalkoxy (MFA), fluorinated ethylene propylene (FEP), or perfluoroalkoxy (PFA), for example, in the form of an aqueous dispersion, and having a mean particle size of less than 1.0 microns (?m).
    Type: Application
    Filed: July 15, 2016
    Publication date: March 9, 2017
    Inventors: Leonard W. Harvey, Michael Coates, Julie K. Wright
  • Publication number: 20150240065
    Abstract: Blended fluoropolymer compositions are provided. In one embodiment, a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer. The first fluoropolymer may be polytetrafluoroethylene (PTFE), such as a low molecular weight PTFE (LPTFE) that has been polymerized via a dispersion or emulsion polymerization process, and which has not been agglomerated, irradiated, or thermally degraded. The LPTFE may be in the form of an aqueous dispersion, having a mean particle size of less than 1.0 microns (m), with the LPTFE having a first melt temperature (Tm) of 332° C. or less. The second fluoropolymer may be a melt processible fluoropolymer (MPF), such as methylfluoroalkoxy (MFA), fluorinated ethylene propylene (FEP), or perfluoroalkoxy (PFA), for example, in the form of an aqueous dispersion, and having a mean particle size of less than 1.0 microns (m).
    Type: Application
    Filed: April 20, 2015
    Publication date: August 27, 2015
    Inventors: Leonard W. Harvey, Michael Coates, Julie K. Wright
  • Patent number: 9074084
    Abstract: Blended fluoropolymer compositions are provided, in which a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer. The first fluoropolymer may be polytetrafluoroethylene (PTFE), such as a low molecular weight PTFE (LPTFE) in the form of an aqueous dispersion having a mean particle size of less than 1.0 microns (?m) and a first melt temperature (Tm) of 332° C. or less. The second fluoropolymer may be a melt processable fluoropolymer (MPF), such as methylfluoroalkoxy (MFA), fluorinated ethylene propylene (FEP), or perfluoroalkoxy (PFA), for example, in the form of an aqueous dispersion having a mean particle size of less than 1.0 microns (?m). When the blended fluoropolymer composition is dried, a crystal structure representing a true alloy of the fluoropolymers is formed, having melt characteristics that differ from those of the individual fluoropolymers.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: July 7, 2015
    Assignee: Whitford Corporation
    Inventors: Leonard W. Harvey, Michael Coates, Julie K. Wright
  • Publication number: 20140205757
    Abstract: Blended fluoropolymer compositions are provided. In one embodiment, a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer. The first fluoropolymer may be polytetrafluoroethylene (PTFE), such as a low molecular weight PTFE (LPTFE) that has been polymerized via a dispersion or emulsion polymerization process, and which has not been agglomerated, irradiated, or thermally degraded. The LPTFE may be in the form of an aqueous dispersion, having a mean particle size of less than 1.0 microns (?m), with the LPTFE having a first melt temperature (Tm) of 332° C. or less. The second fluoropolymer may be a melt processible fluoropolymer (MPF), such as perfluoromethylvinvyl ether (MFA), fluorinated ethylene propylene (FEP), or perfluoropropylvinvyl ether (PFA), for example, in the form of an aqueous dispersion, and having a mean particle size of less than 1.0 microns (?m).
    Type: Application
    Filed: March 24, 2014
    Publication date: July 24, 2014
    Applicant: WHITFORD CORPORATION
    Inventors: Leonard W. Harvey, Michael Coates, Julie K. Wright
  • Patent number: 8691344
    Abstract: Blended fluoropolymer compositions are provided. In one embodiment, a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer. The first fluoropolymer may be polytetrafluoroethylene (PTFE), such as a low molecular weight PTFE (LPTFE) that has been polymerized via a dispersion or emulsion polymerization process, and which has not been agglomerated, irradiated, or thermally degraded. The LPTFE may be in the form of an aqueous dispersion, having a mean particle size of less than 1.0 microns (?m), with the LPTFE having a first melt temperature (Tm) of 332° C. or less. The second fluoropolymer may be a melt processible fluoropolymer (MPF), such as methylfluoroalkoxy (MFA), fluorinated ethylene propylene (FEP), or perfluoroalkoxy (PFA), for example, in the form of an aqueous dispersion, and having a mean particle size of less than 1.0 microns (?m).
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: April 8, 2014
    Assignee: Whitford Corporation
    Inventors: Leonard W. Harvey, Michael Coates, Julie K. Wright
  • Publication number: 20120076944
    Abstract: Blended fluoropolymer compositions are provided, in which a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer. The first fluoropolymer may be polytetrafluoroethylene (PTFE), such as a low molecular weight PTFE (LPTFE) in the form of an aqueous dispersion having a mean particle size of less than 1.0 microns (?m) and a first melt temperature (Tm) of 332° C. or less. The second fluoropolymer may be a melt processible fluoropolymer (MPF), such as methylfluoroalkoxy (MFA), fluorinated ethylene propylene (FEP), or perfluoroalkoxy (PFA), for example, in the form of an aqueous dispersion having a mean particle size of less than 1.0 microns (?m). When the blended fluoropolymer composition is dried, a crystal structure representing a true alloy of the fluoropolymers is formed, having melt characteristics that differ from those of the individual fluoropolymers.
    Type: Application
    Filed: November 15, 2011
    Publication date: March 29, 2012
    Applicant: WHITFORD CORPORATION
    Inventors: Leonard W. Harvey, Michael Coates, Julie K. Wright
  • Patent number: 8053549
    Abstract: A method for the preparation of a modified fluoropolymer powdered material is disclosed. A suspension of solid fluoropolymer particles together with PTFE particles in an aqueous carrier, is frozen and the frozen carrier is then removed by sublimation at sub-atmospheric pressure to produce a dry powder of modified fluoropolymer particles.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: November 8, 2011
    Assignee: Whitford Plastics Limited
    Inventors: Andrew J. Melville, Leonard W. Harvey, Joel Ginies, Michael Coates, Julie K. Wright
  • Publication number: 20110224350
    Abstract: A method for the preparation of a modified fluoropolymer powdered material is disclosed. A suspension of solid fluoropolymer particles together with SiC particles in an aqueous carrier, is frozen and the frozen carrier is then removed by sublimation at sub-atmospheric pressure to produce a dry powder of modified fluoropolymer particles.
    Type: Application
    Filed: July 15, 2008
    Publication date: September 15, 2011
    Applicant: WHITFORD PLASTICS LIMITED
    Inventors: Michael Coates, Robert I. Whitlow, Joel Ginies, Julie K. Wright, Andrew J. Melville, Leonard W. Harvey
  • Publication number: 20100204440
    Abstract: A method for the preparation of a modified fluoropolymer powdered material is disclosed. A suspension of solid fluoropolymer particles together with PTFE particles in an aqueous carrier, is frozen and the frozen carrier is then removed by sublimation at sub-atmospheric pressure to produce a dry powder of modified fluoropolymer particles.
    Type: Application
    Filed: July 15, 2008
    Publication date: August 12, 2010
    Applicant: WHITFORD PLASTICS LIMITED
    Inventors: Andrew J. Melville, Leonard W. Harvey, Joel Gines, Michael Coates, Julie K. Wright
  • Publication number: 20090317553
    Abstract: Blended fluoropolymer compositions are provided. In one embodiment, a liquid dispersion of a first fluoropolymer is blended with a liquid dispersion of a second fluoropolymer. The first fluoropolymer may be polytetrafluoroethylene (PTFE), such as a low molecular weight PTFE (LPTFE) that has been polymerized via a dispersion or emulsion polymerization process, and which has not been agglomerated, irradiated, or thermally degraded. The LPTFE may be in the form of an aqueous dispersion, having a mean particle size of less than 1.0 microns (?m), with the LPTFE having a first melt temperature (Tm) of 332° C. or less. The second fluoropolymer may be a melt processible fluoropolymer (MPF), such as methylfluoroalkoxy (MFA), fluorinated ethylene propylene (FEP), or perfluoroalkoxy (PFA), for example, in the form of an aqueous dispersion, and having a mean particle size of less than 1.0 microns (?m).
    Type: Application
    Filed: May 19, 2009
    Publication date: December 24, 2009
    Applicant: WHITFORD CORPORATION
    Inventors: Leonard W. Harvey, Michael Coates, Julie K. Wright
  • Patent number: 5350107
    Abstract: A method of joining two bodies together, at least one of the bodies being predominantly composed of metal, the two bodies each having a respective joint surface for joining with the joint surface of the other body, the two bodies having a respective melting point, includes the following steps: a) providing aluminum metal and iron metal on at least one of the joint surfaces of the two bodies; b) after providing the aluminum metal and iron metal on the one joint surface, positioning the joint surfaces of the two bodies in juxtaposition against one another with the aluminum and iron positioned therebetween; c) heating the aluminum and iron on the juxtaposed bodies to a temperature from greater than or equal to 600.degree. C.
    Type: Grant
    Filed: September 8, 1993
    Date of Patent: September 27, 1994
    Assignee: EG&G Idaho, Inc.
    Inventors: Richard N. Wright, Julie K. Wright, Glenn A. Moore