Patents by Inventor Fran.cedilla.ois Fernagut

Fran.cedilla.ois Fernagut 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: 5916945
    Abstract: The present invention relates to antistatic and adherent compositions based on polyamide, which can be employed especially for the manufacture of composite materials and articles, such as multilayer pipes and/or conduits for conveying and/or storing hydrocarbons. The compositions contain carbon black and are employed for the production of pipes, containers and drums including:an inner layer in contact with the hydrocarbons, based on the said antistatic and adherent composition,a middle layer made of fluoropolymer, preferably of polyvinylidene fluoride, andan outer layer of polyamide,these layers being bonded to each other respectively by layers of adhesive binder. The invention also relates to a process for preparing these items.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: June 29, 1999
    Assignee: Elf Atochem S.A.
    Inventors: Philippe Bussi, Fran.cedilla.ois Fernagut, Philippe Renouard