Patents by Inventor Joseph P. McKeown

Joseph P. McKeown 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).

  • Publication number: 20110178206
    Abstract: Improved flame retardant polytrimethylene terephthalate compositions are provided by including a bis(diphenyl phosphate) flame retardant additive.
    Type: Application
    Filed: October 13, 2009
    Publication date: July 21, 2011
    Applicant: E,I DU PONT DE NEMOURS AND COMPANY
    Inventors: Jin-Chung Chang, Yuanfeng Liang, Joseph P. Mckeown, Matthew Arthur Page
  • Publication number: 20110172329
    Abstract: Improved flame retardant polytrimethylene terephthalate compositions are provided by including a bis(diphenyl phosphate) flame retardant additive.
    Type: Application
    Filed: October 13, 2009
    Publication date: July 14, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jing-Chung Chang, Yuanfeng Liang, Joseph P. Mckeown, Matthew Arthur Page
  • Patent number: 7855244
    Abstract: Improved flame retardant polytrimethylene terephthalate compositions are provided by including a melamine cyanurate flame retardant additive.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: December 21, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jing-Chung Chang, Joseph V. Kurian, Yuanfeng Liang, Joseph P. McKeown
  • Publication number: 20090043017
    Abstract: Improved flame retardant polytrimethylene terephthalate compositions are provided by including a perfluorinated sulfonate salt as a flame retardant additive.
    Type: Application
    Filed: August 6, 2007
    Publication date: February 12, 2009
    Inventors: Jing-Chung Chang, Christoper P. Junk, Yuanfeng Liang, Joseph P. McKeown, Matthew Arthur Page
  • Publication number: 20090043019
    Abstract: Improved flame retardant polytrimethylene terephthalate compositions are provided by including a brominated flame retardant additive.
    Type: Application
    Filed: August 6, 2007
    Publication date: February 12, 2009
    Inventors: Jing-Chung Chang, Yuanfeng Liang, Joseph P. McKeown
  • Publication number: 20090043020
    Abstract: Improved flame retardant polytrimethylene terephthalate compositions are provided by including a melamine cyanurate flame retardant additive.
    Type: Application
    Filed: August 6, 2007
    Publication date: February 12, 2009
    Inventors: Jing-Chung Chang, Joseph V. Kurian, Yuanfeng Liang, Joseph P. McKeown
  • Publication number: 20090043021
    Abstract: Improved flame retardant polytrimethylene terephthalate compositions are provided by including a certain phosphorous compound as a flame retardant additive.
    Type: Application
    Filed: August 6, 2007
    Publication date: February 12, 2009
    Inventors: Jing-Chung Chang, Yuanfeng Liang, Joseph P. McKeown
  • Publication number: 20090043016
    Abstract: Improved flame retardant polytrimethylene terephthalate compositions are provided by including a fluorinated sulfonate salt as a flame retardant additive.
    Type: Application
    Filed: August 6, 2007
    Publication date: February 12, 2009
    Inventors: Jing-Chung Chang, Christopher P. Junk, Yuanfeng Liang, Joseph P. McKeown, Matthew Arthur Page