Patents by Inventor Pierre Goullioud

Pierre Goullioud 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).

  • Patent number: 4126656
    Abstract: A method for manufacturing viscose filaments from a cellulosic starting material wherein a viscose is prepared from the cellulosic starting material, the viscose is extruded by passing it through a spinneret to form continuous thin strands, the extruded strands are passed continuously through a gaseous medium which contains at least one volatile agent of such a nature, and under such conditions, that a coagulating action on the said strands results, the strands which have thus been coagulated are then brought into contact with an acid medium which causes a pre-regeneration of the initial cellulose, so that the strands are converted to continuous filaments, and the filaments are passed through at least one other acid liquid medium which causes ultimate regeneration of the cellulose.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: November 21, 1978
    Assignee: Centre Technique de L'Industrie des Papiers, Cartons et Celluloses et Technique Papetiere Avancee
    Inventors: Pierre Monzie, Serge Chaunis, Pierre Goullioud, Patrick Laine