Patents by Inventor Alain Chalumeau

Alain Chalumeau 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: 11199057
    Abstract: A flexible tubular structure for oil exploitation, said flexible tubular structure having at least one reinforcing layer and at least one layer of a fluoropolymer compound, wherein said fluoropolymer compound has a composition including a polyvinylidene fluoride homopolymer and a vinylidene fluoride/fluorinated comonomer copolymer, and a plasticizer. The proportion by weight of hexafluoropropylene monomer in the copolymer is greater than 25%.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: December 14, 2021
    Inventor: Alain Chalumeau
  • Publication number: 20150041118
    Abstract: A flexible tubular structure for oil exploitation, said flexible tubular structure having at least one reinforcing layer and at least one layer of a fluoropolymer compound, wherein said fluoropolymer compound has a composition including a polyvinylidene fluoride homopolymer and a vinylidene fluoride/fluorinated comonomer copolymer, and a plasticizer. The proportion by weight of hexafluoropropylene monomer in the copolymer is greater than 25%.
    Type: Application
    Filed: February 26, 2013
    Publication date: February 12, 2015
    Inventor: Alain Chalumeau