Patents by Inventor Roger Duflos

Roger Duflos 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 insulation of original paint layers
    Patent number: 4273808
    Abstract: This invention relates to a process for the insulation of original paint layers, particularly for the application of new paint layers thereover, comprising applying over the original paint to be insulated a barrier layer of a film-forming composition comprising a dicarboxylic acid- and diamine based polyamide resin in alcoholic or aqueous-alcoholic solution, and allowing the resulting protective coating to dry.This process is particularly applicable to the repair of vehicle bodies.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: June 16, 1981
    Assignee: Societe Francaise Duco
    Inventors: Albert Neirynck, Roger Duflos