Patents by Inventor Luc Shrive

Luc Shrive 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).

  • Reverse osmosis or nanofiltration membrane and its production process
    Patent number: 5342521
    Abstract: The invention relates to a reverse osmosis or nanofiltration membrane and to its production process. This membrane comprises a porous support made from an inorganic material coated on one face with a first mesoporous inorganic material layer, e.g. of TiO.sub.2, having a mean pore radius below 10 nm and a second active layer, having a thickness of 0.1 to 1 .mu.m, made from sulphonated polysulphone, polybenzimidazolone, grafted polyvinylidine fluoride or Nafion..RTM.
    Type: Grant
    Filed: April 21, 1993
    Date of Patent: August 30, 1994
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Colette Bardot, Maurice Carles, Rene Desplantes, Luc Shrive