Patents by Inventor Claude Saintouil

Claude Saintouil 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 treatment of an aqueous solution mainly containing nitric acid and hydrofluoric acid
    Patent number: 5603811
    Abstract: A process for treating an aqueous solution mainly containing nitric acid and hydrofluoric acid. The process involves distilling to provide an aqueous solution concentrated in nitric acid and hydrofluoric acid for the separation thereof, then separating by distillation.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: February 18, 1997
    Assignee: Cogema -Compagnie Generale Des Matieres Nucleaires
    Inventors: Philippe Lucas, Jean-Paul Moulin, Olivier Halna du Fretay, Joseph Roussel, Jany Petit, Claude Saintouil, Claude Toussaint