Patents by Inventor Muriel Hassoun

Muriel Hassoun 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).

  • Method for extracting malodorous compounds present in a formulation containing at least one compound carrying a thiol group and deodorized compositions thus obtained
    Patent number: 5843420
    Abstract: Method for extracting malodorous compounds present in a liquid formulation containing at least one compound bearing a thiol functional group of formula:HS--A--Y--B (I)in which said formulation is placed in contact with a pulverulent absorbing agent, in order to obtain a deodorized composition, intended for a subsequent use, said absorbing agent being such that, when it is suspended in an aqueous solution containing 92 g/l of thioglycolic acid, said aqueous solution also contains at least 30% by weight of the initial thioglycolic acid after contact for 15 minutes.
    Type: Grant
    Filed: January 18, 1996
    Date of Patent: December 1, 1998
    Assignee: L'oreal
    Inventors: Daniel Bauer, Fran.cedilla.oise Richard, Muriel Hassoun, Gerard Malle, Henri Samain
  • Method for extracting malodorous compounds present in a formulation containing at least one compound carrying a thiol group and deodorized compositions thus obtained
    Patent number: 5531987
    Abstract: Method for extracting malodorous compounds present in a liquid formulation containing at least one compound bearing a thiol functional group of formula:HS--A--Y--B (I)in which said formulation is placed in contact with a pulverulent absorbing agent, in order to obtain a deodorized composition, intended for a subsequent use, said absorbing agent being such that, when it is suspended in an aqueous solution containing 92 g/l of thioglycolic acid, said aqueous solution also contains at least 30% by weight of the initial thioglycolic acid after contact for 15 minutes.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: July 2, 1996
    Assignee: L'Oreal
    Inventors: Daniel Bauer, Francoise Richard, Muriel Hassoun, Gerard Malle, Henri Samain