Patents by Inventor Robert Dedieu

Robert Dedieu 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).

  • Dihydrochalcone glycoside derivatives and pharmaceutical compositions containing same
    Patent number: 3988435
    Abstract: Dihydrochalcone glucosides are reacted with certain quaternary ammonium compounds to give the corresponding quaternary ammonium derivatives. These new derivatives have a sweet taste and are bactericidal in nature: they can be used in oral products such as dentifrice.
    Type: Grant
    Filed: January 9, 1974
    Date of Patent: October 26, 1976
    Assignee: Lever Brothers Company
    Inventors: Francoise Ernestine Lucie Humbert, Robert Dedieu