Patents by Inventor Michel M. Robert

Michel M. Robert 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).

  • Method of manufacture of paper or cardboard using recycled fibers treated with enzymes
    Patent number: 5110412
    Abstract: The machinability of a papermaking composition of recycled fibers is improved by treating the fibrous composition with an enzyme preparation which acts on all or part of the cellulose fiber components, causing an improvement in the drainability of the water through the fibrous layer.
    Type: Grant
    Filed: February 11, 1991
    Date of Patent: May 5, 1992
    Assignee: La Cellulose Du Pin
    Inventors: Jean-Luc M. Fuentes, Michel M. Robert