Patents by Inventor Georges Derroire

Georges Derroire 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).

  • Process for the manufacture of a flexible polymeric structure by extrusion and the flexible structure manufactured therefrom
    Patent number: 5380385
    Abstract: Process for the manufacture of a flexible polymeric structure comprising a sealant barrier, consisting of a multilayer film a few microns thick, oriented longitudinally, in a continuous manner, whereby all of the components of said flexible structure are intimately bonded by a final heat treatment. Flexible polymeric structures manufactured according to this process. Application to the fields of the transport of all fluids and protection against external aggressive agents.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: January 10, 1995
    Assignee: Caoutchouc manufacture et plastiques
    Inventors: Georges Derroire, Bernard Ragout
  • Method for making a flexible tubular structure by continuous extrusion, having a single layer barrier film a few microns thick, and the extruded flexible tubular structure manufactured therefrom
    Patent number: 5373870
    Abstract: Process for the manufacture of a flexible tubular structure comprising a sealant barrier, consisting of a monolayer film a few microns thick, oriented longitudinally, in a continuous manner, whereby all of the components of said flexible structure are intimately bonded by a final heat treatment. Flexible tubular structures realized according to this process. Application to the fields of the transport of all fluids and protection against external aggressive agents.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: December 20, 1994
    Assignee: Caoutchouc Manufacture et Plastiques
    Inventors: Georges Derroire, Bernard Ragout