Patents by Inventor Sophie Aliphat

Sophie Aliphat 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 enzyme pretreatment of drill cuttings
    Patent number: 5725771
    Abstract: Process for the treatment of drilling muds recovered at the surface of the ground, especially synthetic muds, characterized in that it comprises at least one stage of hydrolysis of said mud by means of a lipase.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: March 10, 1998
    Assignee: Elf Aquitaine Production
    Inventors: Sophie Aliphat, Frederic Perie, Christian Zurdo, Alain Martignon