Patents by Inventor Denise Molines

Denise Molines 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).

  • Purification of the hydrochloric acid by-product of the synthesis of methanesulphonic acid
    Patent number: 6190635
    Abstract: In order to remove the methanesulphonyl chloride entrained by the gaseous HCl by-product, an amount of water ranging from 0.01 to 20%, relative to the mass of HCl to be treated, is injected into the HCl gas flow and the temperature is lowered to a value below or equal to 15° C.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: February 20, 2001
    Assignee: Elf Atochem S.A.
    Inventors: Jean Ollivier, Rene Clair, Denise Molines, Marc Ferrigno