Patents by Inventor Carine Khayat

Carine Khayat 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 water emulsion containing at least one vegetable oil
    Patent number: 6284257
    Abstract: A cosmetic or dermatological composition in the form of a stable oil-in-water emulsion comprises (a) from 15 to 50 percent by weight of at least one vegetable oil containing at least 40 percent linoleic acid triglyceride, (b) from 2 to 7 percent by weight of a self-emulsifiable composition comprising from 60 to 90 percent by weight of at least one fatty alcohol having from 12 to 22 carbon atoms, from 10 to 40 percent by weight of at least one alkylpolysaccharide wherein the alkyl moiety has from 12 to 22 carbon atoms, and from 0 to 5 percent by weight of polysaccharide, (c) from 0.5 to 5 percent by weight of a coemulsifying agent selected from the group consisting of at least one saturated fatty alcohol having from 16 to 32 carbon atoms, a saturated fatty acid having from 16 to 32 carbon atoms and a mixture thereof, (d) from 0.1 to 1 percent by weight of a gelling agent, the remainder consisting essentially of an aqueous phase.
    Type: Grant
    Filed: June 10, 1994
    Date of Patent: September 4, 2001
    Assignee: L'Oreal
    Inventors: Carine Khayat, Didier Candau
  • Cosmetic or dermatological composition containing a mixture of ceramides for moisturizing the skin
    Patent number: 5776480
    Abstract: A cosmetic or dermatological composition containing a mixture of at least one type-III ceramide in the form of a single stereoisomer and of at least one type-V ceramide. This mixture is in particular a mixture having a melting point which is much lower than that of the type-III ceramide. This composition is intended in particular for moisturizing dry skins.
    Type: Grant
    Filed: December 14, 1995
    Date of Patent: July 7, 1998
    Assignee: L'Oreal
    Inventors: Didier Candau, Carine Khayat, Jean-Fran.cedilla.ois Nadaud, Dominique Agnus-Ancilotti
  • Cleaning composition containing lipid grains
    Patent number: 5665687
    Abstract: A skin-cleansing composition in the form of an oil-in-water emulsion. This emulsion comprises an emulsifying agent of hydrophilic/lipophilic balance below about 12 and lipid grains containing a cleansing agent. The invention composition constitutes a "3 in 1" product, which simultaneously allows cleansing, scrubbing and care of the skin.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: September 9, 1997
    Assignee: L'Oreal
    Inventors: Carine Khayat, Didier Candau
  • Cosmetic or dermatological powder, its preparation process and its uses
    Patent number: 5607666
    Abstract: Powders that have been obtained from a homogenized and dehydrated oil-in-water emulsion containing (a) a structuring and emulsifying agent, (b) at least one fat, (c) at least one cosmetically active substance, and (d) an aqueous phase, may be reconstituted to regive the oil-in-water emulsion by hydration. The powder can be used, as is, in cosmetic or dermatological products.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: March 4, 1997
    Assignee: L'Oreal
    Inventors: Gerard Masson, Didier Candau, Carine Khayat