Patents by Inventor Patricia Tooley

Patricia Tooley 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: 8674042
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer having less than about 50 ppm alkali metal ion, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms and which can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: March 18, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Thomas Robert Earnest, Jr., Daniel A. Favereau, Niall D. McKee, Patricia A. Tooley
  • Publication number: 20120058256
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer having less than about 50 ppm alkali metal ion, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms and which can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Application
    Filed: November 10, 2011
    Publication date: March 8, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Thomas Robert Earnest, JR., Daniel A. Favereau, Niall D. McKee, Patricia A. Tooley
  • Patent number: 8076431
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to hexafluoropropylene index (HFPI) of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer having less than about 50 ppm alkali metal ion, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms and which can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: December 13, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Thomas Robert Earnest, Jr., Daniel A. Favereau, Niall D. McKee, Patricia A. Tooley
  • Patent number: 7592406
    Abstract: The combination of a hinge and an insulated wire is provided, wherein the hinge is capable of closing and opening to an angle of at least 90°, the insulated wire being secured by the hinge so as to fold when said hinge is closed and to unfold when said hinge is opened, the insulation on the wire comprising fluoropolymer, such as tetrafluoroethylene/-hexafluoropropylene copolymer or tetrafluoroethylene/perfluoro(methyl vinyl ether)/perfluoro(propyl vinyl ether) copolymer, each polymer having a melting point of 260 to 290° C. and MIT Flex Life of at least about 15,000 cycles, the hinge being useful in such electronic devices as a laptop computer or a clamshell cell phone, attaching the keyboard and screen portion to one another, the insulation being capable of repeated opening and closing of the hinge without cracking of the insulation.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: September 22, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Robert D. Kenny, Philip S. Smith, Patricia A. Tooley, Sundar Kilnagar Venkataraman
  • Publication number: 20080293904
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer having less than about 50 ppm alkali metal ion, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms and which can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Application
    Filed: July 25, 2008
    Publication date: November 27, 2008
    Applicant: E. I. du Pont de Nemours and Company
    Inventors: Thomas Robert Earnest, JR., Daniel A. Favereau, Niall D. McKee, Patricia A. Tooley
  • Patent number: 7435786
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to hexafluoropropylene index (HFPI) of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer being polymerized and isolated in the absence of added alkali metal salts, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: October 14, 2008
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Thomas Robert Earnest, Jr., Daniel N. Favereau, Niall D. McKee, Patricia A. Tooley
  • Publication number: 20080145584
    Abstract: Multilayered composite articles comprising a first layer comprising melt-extrudable perfluoropolymer, a second layer comprising a fluoropolymer derived from tetrafluoroethylene, at least one perfluorinated ?-olefin; and vinylidene fluoride. The articles may be in the form of pipes, tubes, and hoses.
    Type: Application
    Filed: November 15, 2007
    Publication date: June 19, 2008
    Inventors: Robert B. Fish, Steven A. Mestemacher, Patricia A. Tooley, Kimberly Dawn Farnsworth
  • Publication number: 20080090065
    Abstract: The combination of a hinge and an insulated wire is provided, wherein the hinge is capable of closing and opening to an angle of at least 90°, the insulated wire being secured by the hinge so as to fold when said hinge is closed and to unfold when said hinge is opened, the insulation on the wire comprising fluoropolymer, such as tetrafluoroethylene/-hexafluoropropylene copolymer or tetrafluoroethylene/perfluoro(methyl vinyl ether)/perfluoro(propyl vinyl ether) copolymer, each polymer having a melting point of 260 to 290° C. and MIT Flex Life of at least about 15,000 cycles, the hinge being useful in such electronic devices as a laptop computer or a clamshell cell phone, attaching the keyboard and screen portion to one another, the insulation being capable of repeated opening and closing of the hinge without cracking of the insulation.
    Type: Application
    Filed: October 9, 2007
    Publication date: April 17, 2008
    Inventors: Robert D. Kenny, Philip S. Smith, Patricia A. Tooley, Sundar Kilnagar Venkataraman
  • Publication number: 20070292685
    Abstract: Perfluoropolymer made without ionic species, initiator and without halocarbon solvent polymerization medium and dispersing agent is beneficially useful in liquid contact or food contact applications, for high-speed melt extrusion wire coating, and to produce insulated wire exhibiting low dissipation factor at high signal frequencies.
    Type: Application
    Filed: June 1, 2007
    Publication date: December 20, 2007
    Inventors: Paul Brothers, John Netta, Charles Noelke, Philip Smith, Etsuya Taki, Patricia Tooley
  • Publication number: 20070036926
    Abstract: Multilayered pipes comprising layers of functionalized melt-extrudable fluoropolymer, polyamide, and reinforcing fiber. Optional additional layers include melt-extrudable fluoropolymer and a thermoplastic polymer layer. The pipes are particularly useful in district heating applications.
    Type: Application
    Filed: August 7, 2006
    Publication date: February 15, 2007
    Inventors: Robert Fish, Steven Mestemacher, Patricia Tooley
  • Publication number: 20060276604
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer being polymerized and isolated in the absence of added alkali metal salts, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Application
    Filed: August 16, 2006
    Publication date: December 7, 2006
    Inventors: Thomas Earnest, Daniel Favereau, Niall McKee, Patricia Tooley
  • Patent number: 7126056
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer being polymerized and isolated in the absence of added alkali metal salts, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: October 24, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Thomas Robert Earnest, Jr., Daniel A. Favereau, Niall D. McKee, Patricia A. Tooley
  • Patent number: 7122609
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to a hexafluoropropylene index (HFPI) of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer being polymerized and isolated in the absence of added alkali metal salts, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Grant
    Filed: June 21, 2004
    Date of Patent: October 17, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Thomas Robert Earnest, Jr., Daniel A. Favereau, Niall D. McKee, Patricia A. Tooley
  • Publication number: 20050080211
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer being polymerized and isolated in the absence of added alkali metal salts, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Application
    Filed: September 10, 2004
    Publication date: April 14, 2005
    Inventors: Thomas Earnest, Daniel Favereau, Niall McKee, Patricia Tooley
  • Publication number: 20040260044
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer being polymerized and isolated in the absence of added alkali metal salts, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/106 carbon atoms can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Application
    Filed: June 21, 2004
    Publication date: December 23, 2004
    Inventors: Thomas Robert Earnest, Daniel A. Favereau, Niall D. McKee, Patricia A. Tooley
  • Publication number: 20040242819
    Abstract: The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer being polymerized and isolated in the absence of added alkali metal salts, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups can be extruded at high speed onto conductor over a broad polymer melt temperature range to give insulated wire of high quality.
    Type: Application
    Filed: April 27, 2004
    Publication date: December 2, 2004
    Inventors: Thomas Robert Earnest, Daniel A. Favereau, Niall D. McKee, Patricia A. Tooley
  • Patent number: 6429237
    Abstract: A process for high speed melt extrusion onto wire conductors of fluoropolymer pigmented with oxide-coated titanium dioxide.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: August 6, 2002
    Assignee: E. I. du Pont de Nemours & Company
    Inventor: Patricia A. Tooley
  • Publication number: 20020002216
    Abstract: A process for high speed melt extrusion onto wire conductors of fluoropolymer pigmented with oxide-coated titanium dioxide.
    Type: Application
    Filed: April 11, 2001
    Publication date: January 3, 2002
    Inventor: Patricia A. Tooley
  • Patent number: 5631310
    Abstract: White-pigmented polymers (particularly, polyolefins such as polyethylene) containing white pigments treated with at least one silane or a mixture of at least one silane and at least one polysiloxane are disclosed to improve processibility in compounding and improve performance properties such as lacing resistance in a polymeric matrix.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 20, 1997
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Patricia A. Tooley, Dwight A. Holtzen, Joseph A. Musiano
  • Patent number: 5607994
    Abstract: White-pigmented polymers (particularly, polyolefins such as polyethylene) containing white pigments treated with at least one silane or a mixture of at least one silane and at least one polysiloxane are disclosed to improve processibility in compounding and improve performance properties such as lacing resistance in a polymeric matrix.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: March 4, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Patricia A. Tooley, Dwight A. Holtzen, Joseph A. Musiano