Patents Assigned to La Roche Posay Laboratoire
  • Patent number: 6599512
    Abstract: Stable, topically applicable water-in-oil emulsions, well suited for therapeutically treating irritated/sensitive skins and having high electrolyte content, comprise (a) at least 26 by weight of at least one water-soluble metal salt, (b) at least one hydrophobic gelling agent, (c) less than 5% by weight of at least one emulsifying agent, and, advantageously, at least one biologically active agent, for example an active agent that modulates skin differentiation and/or proliferation and/or pigmentation, an anti-inflammatory, an antibacterial, an antifungal, etc., and/or at least one keratolytic active agent, neuropeptide antagonist and/or inflammation-mediator antagonist.
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: July 29, 2003
    Assignee: La Roche Posay-Laboratoire Pharmaceutique
    Inventor: VĂ©ronique Burnier
  • Patent number: 6174534
    Abstract: The invention relates to a composition and method for preventing and/or treating rosacea, which includes a cosmetic composition containing at least from 1 to 5% of a C12-C24 fatty acid, from 5 to 15% of an ester of C12-C24 fatty acid and of a C2-C3 polyalkylene oxide fragment containing from 2 to 100 polyalkylene oxide residues, from 1 to 20% of an optionally polyoxyalkylenated C12-C22 fatty acid glyceride containing from 0 to 20 ethylene oxide residues, from 1 to 20% of an ester of a C12-C24 fatty acid and of a C1-C6 alcohol, from 0.1 to 10% of glycerol, from 0.1 to 3% of a C12-C24 fatty alcohol and water, where the composition is free of metronidazole, lanthanide, tin, zinc, manganese, yttrium, cobalt, barium strontium salt, and non-photosynthetic filamentous bacteria.
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: January 16, 2001
    Assignee: La Roche Posay Laboratoire
    Inventors: Alain Richard, Jean Pierre Brissonnet
  • Patent number: 5736574
    Abstract: Combinatory antimicrobial immixtures comprising at least one antimicrobial hydrolipid and/or lipid and an antimicrobially synergistically effective amount of at least one glyceryl monoalkyl ether are well suited for formulation, as preservatives, into a wide variety of pharmaceutical/cosmetic compositions.
    Type: Grant
    Filed: May 17, 1996
    Date of Patent: April 7, 1998
    Assignee: La Roche Posay Laboratoire Pharmaceutique
    Inventors: Veronique Burnier, Jean Pierre Brissonnet
  • Patent number: 5607680
    Abstract: Cosmetic compositions well suited for removing makeup from the skin and/or eyes, and/or for the cleansing thereof, include a cosmetically acceptable vehicle or carrier comprising a fatty phase and an aqueous phase, and further comprise (a) a polyethylene glycol diester and (b) a quaternary phosphate of formula (I): ##STR1## in which R is a cyclic, acyclic, aliphatic, aromatic or heterocyclic tertiary amine having at least 6 carbon atoms, X is an anion, A is an alkali metal, and x and y are two integers such that (x+y)=3, with the proviso that x cannot be zero.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: March 4, 1997
    Assignee: La Roche Posay Laboratoire Pharmaceutique
    Inventors: Jean P. Brissonnet, Veronique Burnier