Patents by Inventor Carl J. Wust

Carl J. Wust 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).

  • Polypropylene fibers and items made therefrom
    Patent number: 6458726
    Abstract: Process of producing skin-core fibers and the resulting fibers and nonwoven materials and articles wherein the fibers are composed of a polymer blend of a polyolefin and polymeric bond curve enhancing agents, such as ethylene vinyl acetate polymers.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: October 1, 2002
    Assignee: Fiberco, Inc.
    Inventors: James H. Harrington, Randall E. Kozulla, John F. L. Newport, Edward J. Engle, Elizabeth L. Fahey, Walter J. Freeman, Rakesh K. Gupta, Carl J. Wust
  • Process of making polypropylene fibers
    Patent number: 5985193
    Abstract: Process of producing skin-core fibers and the resulting fibers and nonwoven materials and articles wherein the fibers are composed of a polymer blend of a polyolefin and polymeric bond curve enhancing agents, such as ethylene vinyl acetate polymers.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: November 16, 1999
    Assignee: Fiberco., Inc.
    Inventors: James H. Harrington, Randall E. Kozulla, John F. L. Newport, Edward J. Engle, Elizabeth L. Fahey, Walter J. Freeman, Rakesh K. Gupta, Carl J. Wust
  • High speed spinning of multi-component fibers with high hole surface density spinnerettes and high velocity quench
    Patent number: 5411693
    Abstract: Process and apparatus for high speed spinning of multi-component polymer filaments by providing a high face velocity quench unit near the lower surface of one or more high hole surface density spinnerettes to prevent slubs and marrying of the molten filaments.
    Type: Grant
    Filed: January 5, 1994
    Date of Patent: May 2, 1995
    Assignee: Hercules Incorporated
    Inventor: Carl J. Wust, Jr.