Patents by Inventor Régine De Mesanstourne

Régine De Mesanstourne 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).

  • Antidandruff compositions
    Patent number: 6410593
    Abstract: Aqueous shampoo compositions whose washing base consists of an anionic surfactant and an amphoteric surfactant, in which some of the amphoteric agent consists of undecylenamidopropylbetaine, are described. This amphoteric principle gives these compositions effective antifungal properties against the action of Pityrosporum ovalae and constitutes a treatment for reducing the formation of dandruff.
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: June 25, 2002
    Assignee: CECA S.A.
    Inventors: Régine De Mesanstourne, Hélène Lebon, Hélène Le Gall
  • Fluid concentrated hydroalcoholic compositions of copra or oil palm alkyl-amidopropylbetains
    Patent number: 6335370
    Abstract: Aqueous-alcoholic solutions of coconut or palm oil alkylamidopropylbetaines with a betaine content of greater than 50%, which are fluid, stable and pumpable are described as occupying a well-defined zone of their betaine/water/ethanol ternary diagram. They are prepared by synthesis and quaternization of the amidoamine directly in the solvent medium in which they are defined.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: January 1, 2002
    Assignee: Ceca S.A.
    Inventors: Regine De Mesanstourne, Stephane Fouquay, Jean-Paul Gamet, Francois Guillemet
  • Concentrated fluid aqueous-alcoholic compositions of hydrogenated coconut or palm kernel oil alkylamidopropylbetaines
    Patent number: 6335375
    Abstract: Aqueous-alcoholic solutions of hydrogenated coconut or palm kernel oil alkylamidopropylbetaines with a betaine content of greater than 50%, which are fluid, stable and pumpable are described as occupying a well-defined zone of their betaine/water/ethanol ternary diagram. They are prepared by synthesis and quaternization of the amidoamine directly in the solvent medium in which they are defined.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: January 1, 2002
    Assignee: Ceca S.A.
    Inventors: Régine De Mesanstourne, Stéphane Fouquay, Jean-Paul Gamet, François Guillemet