Patents by Inventor Ray W. Miller

Ray W. Miller 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: 20120282431
    Abstract: The present invention is directed to polyester yarns made from two or more different polyesters. The invention is also directed to finished articles made from two or more different polyesters, and especially to carpets.
    Type: Application
    Filed: July 21, 2011
    Publication date: November 8, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jing-Chung Chang, Ray W. Miller
  • Publication number: 20090123688
    Abstract: A carpet underlay that is liquid impermeable and moisture vapor permeable comprising a foamed cushion and a barrier film affixed to the side of the foamed cushion in contact with the carpet, the barrier film being impermeable to liquids and permeable to moisture vapor and comprising copolymer that comprises polytrimethylene ether soft segments and hard segments selected from the group consisting of polyester, polyamide, polyurethane and polyurethane-urea.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 14, 2009
    Inventors: Ray W. Miller, Hari Babu Sunkara
  • Patent number: 7476344
    Abstract: Electrical apparatuses and a method for their production, the apparatuses containing electrical insulation fluids comprising polytrimethylene homo- or copolyether glycol having a dielectric breakdown voltage greater than about 30 kV, wherein from about 50 to 100 mole percent of the repeating units of the polytrimethylene homo- or copolyether glycol are trimethylene ether units. An electrical insulation fluid comprising (a) polytrimethylene homo- or copolyether glycol having trimethylene ether units at about 50 to 100 mole percent of the repeating units and (b) a blending component selected from the group consisting of vegetable oils, mineral oil, poly alpha olefins, synthetic esters, and silicone fluids, and mixtures thereof, wherein the electrical insulation fluid has a dielectric breakdown voltage of greater than about 30 kV.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: January 13, 2009
    Assignee: E.I. Du Pont de Nemours
    Inventors: Hari Babu Sunkara, Ray W. Miller, Joseph V. Kurian
  • Patent number: 7147815
    Abstract: A process for the preparation of a side-by-side or eccentric sheath-core bicomponent fiber wherein each component comprises a different poly(trimethylene terephthalate) composition.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: December 12, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jing C. Chang, Ray W. Miller
  • Patent number: 7033530
    Abstract: A side-by-side or eccentric sheath-core bicomponent fiber wherein each component comprises a different poly(trimethylene terephthalate) composition and wherein at least one of the compositions comprises styrene polymer dispersed throughout the poly(trimethylene terephthalate), and preparation and use thereof.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: April 25, 2006
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jing C. Chang, Joseph V. Kurian, Ray W. Miller
  • Publication number: 20040222544
    Abstract: A process for the preparation of a side-by-side or eccentric sheath-core bicomponent fiber wherein each component comprises a different poly(trimethylene terephthalate) composition.
    Type: Application
    Filed: June 26, 2003
    Publication date: November 11, 2004
    Inventors: Jing C. Chang, Ray W. Miller
  • Publication number: 20040084796
    Abstract: A side-by-side or eccentric sheath-core bicomponent fiber wherein each component comprises a different poly(trimethylene terephthalate) composition and wherein at least one of the compositions comprises styrene polymer dispersed throughout the poly(trimethylene terephthalate), and preparation and use thereof.
    Type: Application
    Filed: September 10, 2003
    Publication date: May 6, 2004
    Inventors: Jing C. Chang, Joseph V. Kurian, Ray W. Miller
  • Patent number: 6641916
    Abstract: A side-by-side or eccentric sheath-core bicomponent fiber wherein each component comprises a different poly(trimethylene terephthalate) composition and wherein at least one of the compositions comprises styrene polymer dispersed throughout the poly(trimethylene terephthalate), and preparation and use thereof.
    Type: Grant
    Filed: November 5, 2002
    Date of Patent: November 4, 2003
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: Jing C. Chang, Joseph V. Kurian, Ray W. Miller