Patents by Inventor Gregory D'Arcy

Gregory D'Arcy 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).

  • Polyamide yarn spinning process and modified yarn
    Publication number: 20070110998
    Abstract: Provided by this invention is a modified synthetic polyamide polymer yarn produced by an improved melt extrusion process. Yarn of this invention are either partially oriented yarns (POY) or drawn oriented yarns. The improved process provides for modification of a polymer in a melt extruder. Following this modification of the polymer, a filament forming process step is provided which is coupled to a drawing stage prior to winding a package of yarn.
    Type: Application
    Filed: November 15, 2005
    Publication date: May 17, 2007
    Inventors: Ronald Steele, Gregory D'Arcy