Patents by Inventor Frédéric MADELAINE

Frédéric MADELAINE 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).

  • Vanillin and/or ethylvanillin, process for their preparations and use thereof
    Patent number: 11484052
    Abstract: The present invention relates to a new bio-sourced vanillin and/or ethylvanillin, containing specific impurities. The invention further relates to a process for their preparations and the use of such compounds.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: November 1, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Stephan Verdier, Frédéric Madelaine
  • NEW VANILLIN AND/OR ETHYLVANILLIN, PROCESS FOR THEIR PREPARATIONS AND USE THEREOF
    Publication number: 20210120854
    Abstract: The present invention relates to a new bio-sourced vanillin and/or ethylvanillin, containing specific impurities. The invention further relates to a process for their preparations and the use of such compounds.
    Type: Application
    Filed: July 26, 2018
    Publication date: April 29, 2021
    Inventors: Stephan VERDIER, Frédéric MADELAINE