Patents by Inventor Violaine Ducru

Violaine Ducru 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).

  • Composite yarn comprising a filament yarn and a matrix comprising a foamed polymer
    Patent number: 7718259
    Abstract: The invention relates to a composite yarn including a filament yarn of an inorganic or organic material and a matrix of polymer material, the filament yarn being coated, extruded, or incorporated in the polymer material matrix. The matrix includes at least one foamed polymer. A composite yarn is characterized in that it has a core of an above-mentioned composite yarn and is coated, extruded or incorporated in a second polymer material matrix surrounding the core. Various methods may be used for producing the inventive yarns by coating and extrusion.
    Type: Grant
    Filed: November 25, 2004
    Date of Patent: May 18, 2010
    Assignee: Chavanoz Industrie
    Inventors: Laurence Pollet, Violaine Ducru, Stéphane Veran, Anthony Pajot, Stéphanie Lambour
  • Composite yarn comprising a filament yarn and a matrix comprising a foamed polymer
    Publication number: 20070048523
    Abstract: The invention relates to a composite yarn including a filament yarn of an inorganic or organic material and a matrix of polymer material, the filament yarn being coated, extruded, or incorporated in the polymer material matrix. The matrix includes at least one foamed polymer. A composite yarn is characterized in that it has a core of an above-mentioned composite yarn and is coated, extruded or incorporated in a second polymer material matrix surrounding the core. Various methods may be used for producing the inventive yarns by coating and extrusion.
    Type: Application
    Filed: November 25, 2004
    Publication date: March 1, 2007
    Applicant: CHAVANOZ INDUSTRIE
    Inventors: Laurence Pollet, Violaine Ducru, Stephane Veran, Anthony Pajot, Stephanie Lambour