Patents by Inventor Michel Juillard

Michel Juillard 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 making porous plastic diaphragms and the resulting novel diaphragms
    Patent number: 4204938
    Abstract: A novel diaphragm suitable for use in electrolytic cells and a novel method of making the diaphragms are provided. The diaphragm according to the invention is characterized in that a reinforcing element is associated with a microporous membrane by integrating it with the anode face of the said membrane. The novel diaphragms are particularly suitable for use in the electrolysis of alkali chlorides.
    Type: Grant
    Filed: July 14, 1978
    Date of Patent: May 27, 1980
    Assignee: Rhone-Poulenc Industries
    Inventors: Jean Bachot, Pierre Bouy, Michel Juillard
  • Cloth comprising asbestos fibers and method of producing said cloth
    Patent number: 4031041
    Abstract: A novel cloth comprising asbestos fibers, particularly in the form of a micro-porous membrane is provided and a method of obtaining this cloth. It is characterized in that said cloth is obtained by the dry mixing of asbestos fibers and at least one filler or charge substance, then working up by malaxation in the presence of a latex, forming the cloth and, optionally, elimination of the filler substance. The invention is particularly applicable in the production of a micro-porous membrane for use in electrolysis diaphragms.
    Type: Grant
    Filed: July 31, 1975
    Date of Patent: June 21, 1977
    Assignee: Rhone-Poulenc Industries
    Inventors: Pierre Bouy, Michel Juillard, Jean-Luc Bourgeois
  • Method of obtaining a micro-porous membrane and novel product thus obtained
    Patent number: 4003818
    Abstract: A method of obtaining a micro-porous membrane is provided as well as the improved membrane. Said method is characterized in that a homogeneous paste is prepared from a pore-forming filler substance and a latex, and said paste, which is reduced to powder form, is dried and a membrane is formed therefrom and then (fritted) sintered, and the pore-forming filler substance is then removed. The membrane thus obtained is particularly useful as a diaphragm for electrolysis cells.
    Type: Grant
    Filed: July 31, 1975
    Date of Patent: January 18, 1977
    Assignee: Rhone-Poulenc Industries
    Inventors: Michel Juillard, Pierre Bouy
  • Method of manufacturing electrolysis cell diaphragms
    Patent number: 3980613
    Abstract: A uniform, porous, homogeneous diaphragm for use in electrolysis cells is provided by bringing together a homogeneous, stable suspension of asbestos fibers in water and a fluorinated polymeric resin latex with a pore-forming agent in the presence of a sulfonated anionic surfactant, the resulting suspension being shaped to the desired form of the diaphragm by filtration, the desired shape of the diaphragm then being dried and sintered at a temperature above the crystalline melting point of the fluorinated polymeric resin, the pore-forming agent finally being removed from the resulting diaphragm by decomposition or extraction.
    Type: Grant
    Filed: May 14, 1974
    Date of Patent: September 14, 1976
    Assignee: Rhone-Progil
    Inventors: Jean Bachot, Pierre Bouy, Michel Juillard