Patents by Inventor Philipe Varin

Philipe Varin 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: 5245106
    Abstract: The invention relates to a method of eliminating mercury or arsenic from a fluid in the presence of a solid mass for the recovery of mercury and/or arsenic. The said mass contains copper and sulphur at least partly in the form of copper sulphide and results (a) from the incorporation of a copper compound other than a sulphide into a solid mineral support, (b) possible calcination of the product obtained in stage (a), and from bringing the product obtained previously into contact with elementary sulphur and (d) a heat treatment.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: September 14, 1993
    Assignee: Institut Francais du Petrole
    Inventors: Charles Cameron, Philippe Courty, Jean-Paul Boitiaux, Philipe Varin, Gerard Leger