Patents Assigned to Societe l'Oreal S.A.
  • Compositions containing a dibenzoylmethane derivative and a titanium oxide nanopigment, and uses
    Patent number: 6174517
    Abstract: The present invention relates to new cosmetic compositions for topical use which are intended more particularly for the photoprotection of the skin and/or hair against ultraviolet radiation and to their use in the abovementioned cosmetic application. Still more precisely, it relates to antisun compositions which comprise, in a cosmetically acceptable vehicle, an association of a specific screening agent, chosen from dibenzoylmethane derivatives, with at least one inorganic titanium oxide nanopigment treated with silanes and/or silicones.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: January 16, 2001
    Assignee: Societe L'Oreal S.A.
    Inventors: Isabelle Hansenne, Victoria Van Leeuwen
  • UVA photoprotective cosmetic/dermatological compositions comprising iron chelating agents
    Patent number: 6174520
    Abstract: Topically applicable UVA photoprotective cosmetic/dermatological compositions comprise an effective photoprotecting amount of at least one UVA screening agent substituted by at least one optionally neutralized sulfo functional group, and an effective UVA photoprotecting-enhancing amount of at least one otherwise non-UVA photoprotecting iron chelating agent, thereby imparting a synergistic protection factor (PF) effect thereto, in a cosmetically/dermatologically acceptable topical vehicle, carrier or diluent therefor.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: January 16, 2001
    Assignee: Societe L'Oreal S.A.
    Inventors: Pascal Simon, Didier Gagnebien
  • Photoprotective/cosmetic compositions comprising w/o/w stable triple emulsions
    Patent number: 6174518
    Abstract: The present invention relates to a cosmetic or dermatological emulsion of the water/oil/water (W/O/W) type, characterized in that it comprises: (a) an external aqueous phase and (b) a non-continuous fatty phase constituting, with an internal aqueous phase, a water/oil (W/O) primary emulsion, the said fatty phase comprising, as lipophilic emulsifier, at least one block copolymer composed of a polymer block derived from a monohydroxycarboxylic acid and of a polymer block derived from an alkylglycol or from a polyalkylene glycol; (c) at least one photoprotective system capable of screening out UV (UV-A and/or UV-B) radiation. The invention also relates to its uses in and for the manufacture of cosmetic or dermatological compositions for the photoprotection of the skin or hair.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: January 16, 2001
    Assignee: Societe L'Oreal S.A.
    Inventor: Delphine Allard
  • Synergistically UV-photoprotecting triazine/silicone compositions
    Patent number: 6171579
    Abstract: The invention relates to novel cosmetic and/or dermatological compositions, in particular for photoprotecting the skin and/or the hair, characterized in that they comprise, in a cosmetically acceptable support in particular of oil-in-water type, (i) as first screening agent, at least one specific 1,3,5-triazine derivative, and (ii) as second screening agent, a silicon derivative containing a benzotriazole function, the said first and second screening agents being present in the said compositions in an amount which is effective for producing synergistic activity with respect to the sun protection factors imparted. Application to protecting the skin and the hair against the effects of ultraviolet radiation.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: January 9, 2001
    Assignee: Societe L'Oreal S.A.
    Inventors: Delphine Allard, Christ{grave over (e)}le Gombert
  • Therapeutic/cosmetic compositions comprising CGRP antagonists for treating the eyes or eyelids
    Patent number: 6169069
    Abstract: Ocular and/or palpebral pruritus and/or ocular and/or palpebral pain and/or ocular and/or palpebral dysaesthesia afflicting a mammalian, notably human patient, are therapeutically treated by administering to such patient a therapeutically/cosmetically effective amount of at least one CGRP antagonist, advantageously in combinatory immixture with at least one antagonist of a neuropeptide other than CGRP, e.g., a substance P antagonist, and/or at least one inflammation mediator antagonist; the subject compositions are also well suited for making up and/or caring for human eyes, eyelashes and/or eyelids, especially sensitive eyes and eyelids.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: January 2, 2001
    Assignee: Societe L'Oreal S.A.
    Inventors: Olivier De Lacharriere, Lionel Breton
  • Alkaline-earth metal salt for the treatment of ocular or palpebral pruritus and dysesthesia
    Patent number: 6168809
    Abstract: The invention relates to the use of an alkaline-earth metal salt in or for the preparation of a cosmetic or pharmaceutical composition, especially for topical application, for treating ocular or palpebral pruritus and/or ocular or palpebral dysesthesia. The cosmetic composition can be used for applying make-up to or removing make-up from sensitive eyes.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: January 2, 2001
    Assignee: Societe l'Oreal S.A.
    Inventors: Olivier De Lacharriere, Lionel Breton
  • Photoprotective/cosmetic compositions comprising camphorsulfonic acid and bisresorcinyltriazine sunscreens
    Patent number: 6159456
    Abstract: Topically applicable sunscreen/cosmetic compositions well suited for the synergistically enhanced photoprotection of human skin and/or hair against the damaging effects of UV-irradiation, particularly solar radiation, comprise synergistically UV-photoprotecting effective amounts of each of (i) benzene-1,4-di(3-methylidene-10-camphorsulfonic acid, or partially or completely neutralized form thereof, and (ii) at least one bisresorcinyltriazine compound, formulated into a topically applicable, cosmetically acceptable vehicle, diluent or carrier therefor.
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: December 12, 2000
    Assignee: Societe L'Oreal S.A.
    Inventor: Didier Candau
  • N-aryl-2-hydroxyalkylamido compositions for inducing/stimulating hair growth and/or retarding hair loss and/or for treating hyperseborrhea and/or acne
    Patent number: 6156899
    Abstract: Novel N-aryl-2-hydroxyalkylamido compounds having the formula (I): ##STR1## are well suited for inducing/stimulating hair growth and/or retarding hair loss and/or for therapeutically treating hyperseborrhea and/or acne.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: December 5, 2000
    Assignee: Societe L'Oreal S.A.
    Inventors: Jean-Baptiste Galey, Odile Destree, Lionel Breton
  • Polyholoside compositions for stimulating the immune system
    Patent number: 6153601
    Abstract: Cosmetic/pharmaceutical/dermatological compositions suited for stimulating the immune system/defenses of a mammalian organism, via topically applying same to the skin of such organism, comprise an immune system-stimulating amount of at least one polyholoside which comprises at least one fucose structural unit, preferably a heterogeneous polyholoside, in a topically applicable, cosmetically/pharmaceutically/dermatologically acceptable vehicle, carrier or diluent therefor.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: November 28, 2000
    Assignee: Societe l'oreal S.A.
    Inventors: Lionel Breton, Nathalie Pineau, Pierre Desolle
  • Photobluing/whitening-resistant cosmetic/dermatological compositions comprising TiO.sub.2 pigments and deformable hollow particulates
    Patent number: 6146649
    Abstract: Topically applicable cosmetic/sunscreen/dermatological compositions, well suited for improved photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation and/or for the therapeutic treatment of a disease state of the skin or mucosae, essentially in the absence of photobluing/whitening, comprise at least one titanium dioxide (nano)pigment and an effective photobluing/whitening-reducing amount of deformable hollow particulates (microspheres) having a particle size ranging from 1 .mu.m to 250 .mu.m and which comprise an expanded copolymer of vinylidene chloride, acrylonitrile and a (meth)acrylate.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: November 14, 2000
    Assignee: Societe L'Oreal S.A.
    Inventor: Isabelle Hansenne
  • Substance P antagonists comprising rosaceae plant extracts
    Patent number: 6146636
    Abstract: Disease states, disorders, conditions or afflictions manifesting excessive synthesis and/or release of substance P are therapeutically treating by administering to individuals in need of such treatment, an effective substance P antagonist amount of at least one extract of at least one plant of the Rosaceae family.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: November 14, 2000
    Assignee: Societe l'Oreal S.A.
    Inventors: Lionel Breton, Nathalie Pineau
  • Skin toning by stimulating collagen synthesis/proliferation of dermal fibroblasts
    Patent number: 6147121
    Abstract: The hydroxystilbenes are effective collagen-synthesizing, and/or fibroblast-proliferating, and/or protease expression-inhibiting, and/or skin aging-combating, and/or flaccid/wrinkled skin-treating, and/or skin-smoothing/firming, and/or menopausal cutaneous effect-treating, and/or menopausal collagen/fibroblast effects-treating active agents, for topical application onto the skin and/or mucous membranes of a human subject in need of such treatment(s).
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: November 14, 2000
    Assignee: Societe L'Oreal S.A.
    Inventors: Lionel Breton, Christel Liviero, Dominique Fagot
  • Photoprotective/cosmetic compositions comprising benzotriazole-substituted silicon sunscreens and cinnamic/salicylic acid solubilizing agents therefor
    Patent number: 6143282
    Abstract: Topically applicable cosmetic/dermatological sunscreen compositions well suited for the UV-photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, comprise (i) a UV-photoprotecting effective amount of at least one solubilized organolipophilic silicon compound, whether solid silane or organopolysiloxane, bearing a benzotriazole function substituent and (ii) an amount of at least one cinnamic acid sunscreen compound and/or at least one salicylic acid sunscreen compound effective to (substantially) dissolve said at least one organolipophilic silicon compound.
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: November 7, 2000
    Assignee: Societe L'Oreal S.A.
    Inventors: Isabelle Hansenne, Martin Josso, Karine De Chabannes
  • Dermatological/pharmaceutical compositions comprising volatile oils/phenylated silicone oils
    Patent number: 6136332
    Abstract: Transfer/migration-resistant, topically applicable dermatological/pharmaceutical compositions well suited for preventatively and/or curatively therapeutically treating human skin or mucous membranes, comprise at least one volatile oil, at least one phenylated silicone oil and at least one dermatologically and/or pharmaceutically bioaffecting active agent, for example at least one anviral, antibacterial, antifungal, anti-inflammatory, neuromediator modulator, etc.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: October 24, 2000
    Assignee: Societe L'Oreal S.A.
    Inventors: Jean-Fran.cedilla.ois Grollier, Josiane Allec, Isabelle Agostini
  • Desquamation/epidermal renewal of the skin and/or combating skin aging
    Patent number: 6124364
    Abstract: The hydroxystilbenes are well suited for promoting desquamation and/or stimulating epidermal renewal and/or combating intrinsic/extrinsic aging of the skin of a human subject in need of such treatment, by topically applying thereto, for such period of time as required to elicit the desired response, a therapeutically effective amount of at least one of said hydroxystilbenes.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: September 26, 2000
    Assignee: Societe L'Oreal S.A.
    Inventors: Lionel Breton, Nathalie Pineau
  • Aqueous dispersion comprising a UV screening agent of organosiloxanes type containing a benzalmalonate function and a water-insoluble cationic surfactant
    Patent number: 6120757
    Abstract: The invention relates to a composition in the form of an aqueous dispersion, characterized in that it comprises, in a cosmetically acceptable medium, at least one liposoluble agent for screening out ultraviolet radiation, of the organosiloxane type containing a benzalmalonate function and at least one water-insoluble cationic surfactant, as well as to its cosmetic uses, in particular for protecting keratin fibres and their natural or artificially dyed color, in particular for protecting human hair against the harmful effects of UV rays.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: September 19, 2000
    Assignee: Societe L'Oreal S.A.
    Inventors: Claude Dubief, Daniele Cauwet-Martin
  • Dermatological/cosmetic compositions comprising antifungal and antibacterial compounds and reduction of hair loss therewith
    Patent number: 6121254
    Abstract: Dermatological/cosmetic compositions for reducing or decelerating human hair loss comprise an effective hair loss-reducing amount of combinatory immixture of (a) at least one antifungal agent and (b) at least one halogenated antibacterial agent other than a macrolide or pyranoside, characteristically formulated in a topically physiologically acceptable medium therefor.
    Type: Grant
    Filed: March 17, 1999
    Date of Patent: September 19, 2000
    Assignee: Societe L'Oreal S.A.
    Inventor: Didier Saint-Leger
  • Silicone-substituted cinnamamide/malonamide/malonate compounds and photoprotective compositions comprised thereof
    Patent number: 6114559
    Abstract: Novel silicone-substituted cinnamamide/malonamide/malonate compounds having the structural formulae (1) and (2): ##STR1## in which A is a radical of formula (3): ##STR2## are well suited for the photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, and are also useful for photoprotecting such UV-sensitive substrates as plastics.
    Type: Grant
    Filed: November 28, 1997
    Date of Patent: September 5, 2000
    Assignee: Societe L'Oreal S.A.
    Inventors: Herve Richard, Madeleine Leduc
  • Screening of candidates for biological hair care activity
    Patent number: 6113889
    Abstract: The invention concerns a procedure for testing a potentially-active substance used in the hair-care field, this procedure being characterized by the fact that a fragment of at least one hair follicle without dermal papilla is isolated, this fragment being taken from beneath the point of attachment of the sebaceous gland and excluding the portion of the hair shaft located above the point of attachment of the sebaceous gland; that this fragment is incubated in a suitable culture medium for a sufficient period; that this fragment is placed in contact with a potentially-active hair-care substance; that a marker of the activity of said tested substance is quantitatively determined; and that the results of this determination are assessed as they compare to a control.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: September 5, 2000
    Assignee: Societe l'Oreal S.A.
    Inventors: Fran.cedilla.oise Jarrousse, Stephane Commo, Olivier Gaillard, Bruno Bernard
  • UVA photoprotective cosmetic/dermatological compositions comprising iron chelating agents
    Patent number: 6106850
    Abstract: Topically applicable UVA photoprotective cosmetic/dermatological compositions comprise an effective photoprotecting amount of at least one UVA screening agent substituted by at least one optionally neutralized sulfo functional group, and an effective UVA photoprotecting-enhancing amount of at least one otherwise non-UVA photoprotecting iron chelating agent, thereby imparting a synergistic protection factor (PF) effect thereto, in a cosmetically/dermatologically acceptable topical vehicle, carrier or diluent therefor.
    Type: Grant
    Filed: April 1, 1998
    Date of Patent: August 22, 2000
    Assignee: Societe L'Oreal S.A.
    Inventors: Pascal Simon, Didier Gagnebien