Patents by Inventor Colette Hourseau

Colette Hourseau 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).

  • Cosmetic composition containing a cationic polymer and divalent metal salt for strengthening the hair
    Patent number: 3958581
    Abstract: A cosmetic composition to strengthen the hair which comprises (a) a cosmetic vehicle containing a member selected from water, ethanol, isopropanol or mixtures thereof (b) 0.2 to 25 percent by weight of a cationic polymer and (c) 0.01 - 0.5 mole per gram of cationic polymer of a divalent metal salt selected from the carbonate, silicate, nitrate, acetate, gluconate, pantothenate and lactate of calcium, magnesium, manganese, iron, strontium, zinc and cadmium.
    Type: Grant
    Filed: October 15, 1974
    Date of Patent: May 25, 1976
    Assignee: L'Oreal
    Inventors: Jean-Louis Abegg, Jean-Pierre Boiteux, Colette Hourseau