Patents by Inventor Daniel Leuckx

Daniel Leuckx 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).

  • Polyporpylene fibers
    Patent number: 5753762
    Abstract: The present invention relates to polypropylene fibers and nonwoven fabrics produced from spunlaid or staple fibers having improved natural bulk. Said polypropylene fibers are made of a blend of sPP and iPP.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: May 19, 1998
    Assignee: Fina Research, S.A.
    Inventors: Daniel Leuckx, Etienne de Wergifosse, Rene F. Venneman