Patents by Inventor Luc DARGENT

Luc DARGENT 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: 10416083
    Abstract: Disclosed is a method for dosing iron ions, by spectrophotometry, especially ferric and ferrous ions, contained in a used lubricating composition, especially a lubricating composition of a marine engine. The invention also relates to a kit for implementing the method.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: September 17, 2019
    Assignee: TOTAL MARKETING SERVICES
    Inventors: Catherine Signol, Luc Dargent, Gregory Mairot, Thomas Debuissier, Camille Demaille, Christian Baron
  • Publication number: 20170370851
    Abstract: Disclosed is a method for dosing iron ions, by spectrophotometry, especially ferric and ferrous ions, contained in a used lubricating composition, especially a lubricating composition of a marine engine. The invention also relates to a kit for implementing the method.
    Type: Application
    Filed: January 13, 2016
    Publication date: December 28, 2017
    Inventors: Catherine SIGNOL, Luc DARGENT, Gregory MAIROT, Thomas DEBUISSIER, Camille DEMAILLE, Christian BARON