Patents by Inventor Evelyne Banchereau

Evelyne Banchereau 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).

  • Preparation of alkanesulphonic acids by photooxidation of sulpher-containing derivatives
    Patent number: 5608103
    Abstract: The invention relates to the preparation of alkanesulphonic acids by photooxidation of sulphur-containing derivatives (thiols, sulphides, disulphides).The operation is carried out in solution in aqueous or alcoholic acetonitrile, with a light source irradiating between 200 and 400 nm.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: March 4, 1997
    Assignee: Elf Atochem S.A.
    Inventors: Evelyne Banchereau, Sylvie Lacombe, Jean Ollivier