Patents by Inventor Jool Ribiere

Jool Ribiere 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).

  • Cellulose fibers with improved elongation at break, and methods for producing same
    Patent number: 6093490
    Abstract: The present invention provides a fiber made of cellulose formate which exhibits high tenacity and modulus properties, combined with improved values of elongation at break and of energy at break. The elongation at break, in particular, is greater than 6%. The invention also provides a method of producing the fiber by spinning a liquid crystal solution of cellulose formate according to the so-called dry-jet-wet spinning method, the coagulation stage and the neutral washing stage which follow both being carried out in acetone.
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: July 25, 2000
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: Jean-Paul Meraldi, Jean-Claude Aubry, Vlastimil Cizek, Jool Ribiere, Andre Schneider