Patents by Inventor Hazael E. Booker

Hazael E. Booker 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).

  • Selfbonded nonwoven fabrics
    Patent number: 4285748
    Abstract: A selfbonded nonwoven fabric comprising at least 70 weight percent of sheath/core heterofilaments having a core of isotactic polypropylene in which the sheaths are high density polyethylene in an amount of 5 to 30 weight percent of the heterofilaments, and method of preparation. The fabrics have outstanding strength, fatigue resistance, and tear resistance and are eminently suitable for civil engineering applications such as unpaved road underlay material.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: August 25, 1981
    Assignee: Fiber Industries, Inc.
    Inventors: Hazael E. Booker, Barrie L. Davies, Alfred J. Hughes, Charles J. Shimalla
  • Selfbonded nonwoven fabrics
    Patent number: 4211816
    Abstract: A selfbonded nonwoven fabric comprising at least 70 weight percent of sheath/core heterofilaments having a core of isotactic polypropylene in which the sheaths are high density polyethylene in an amount of 5 to 30 weight percent of the heterofilaments, and method of preparation. The fabrics have outstanding strength, fatigue resistance, and tear resistance and are eminently suitable for civil engineering applications such as unpaved road underlay material.
    Type: Grant
    Filed: March 1, 1978
    Date of Patent: July 8, 1980
    Assignee: Fiber Industries, Inc.
    Inventors: Hazael E. Booker, Barrie L. Davies, Alfred J. Hughes, Charles J. Shimalla