Patents by Inventor François Cottard

François Cottard 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).

  • Publication number: 20170181939
    Abstract: Anti-sun composition in the form of an oil-in-water emulsion comprising at least one mixture of surfactants The present invention relates to a composition in the form of an oil-in-water emulsion comprising a) at least one continuous aqueous phase, b) at least one oily phase dispersed in said aqueous phase, c) at least one mixture of surfactants comprising i) one or more fatty acid esters of a polyalkylene glycol, ii) one or more fatty acid esters of glycerol, iii) one or more fatty acids in free form and iv) one or more alkali metal salts of anester of phosphoric acid and of a fatty alcohol, and d) one or more UV-screening agents. The present composition has a viscosity of less than or equal to 0.10 Pa·s at a temperature of 25° C., the viscosity being measured using a Rheomat 180 (from the company Lamy), equipped with an MS-R1, MS-R2, MS-R3, MS-R4 or MS-R5 spindle chosen according to the consistency of the composition, rotating at a rotation speed of 200 rpm.
    Type: Application
    Filed: May 28, 2015
    Publication date: June 29, 2017
    Inventors: Marina GROC, Florence LALLORET, Martin JOSSO, François COTTARD
  • Patent number: 8092552
    Abstract: The present invention provides a dyeing composition comprising, in a cosmetically acceptable medium, one or more oxidation dyes, aqueous ammonia, ammonium chloride and one or more additives selected from ceramides, silicas, ascorbic acid and/or its salts, fatty acids and/or salts thereof, alkanolamines and/or salts thereof, crosslinked homopolymers of acrylic acid, copolymers of dialkyldiallylammonium chloride and acrylic acid, and particular cationic polymers, or mixtures thereof. It likewise provides a method of colouring human keratin fibres, employing the said composition in the presence of a composition comprising one or more oxidizing agents. The invention further provides a multiple-compartment device appropriate to the implementation of the said method, comprising in a first compartment a dyeing composition according to the invention and in another compartment a composition comprising one or more oxidizing agents.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: January 10, 2012
    Assignee: L'Oreal S.A.
    Inventors: Caroline Goget, François Cottard, Florence Laurent, Jean-Marc Ascione
  • Patent number: 7972388
    Abstract: The present invention provides for kits and methods of treating hair in order to inhibit color fading and/or impart both shine- and condition-enhancing properties to colored hair, comprising a pre-treatment composition, a color-altering composition, a developer composition, a shampoo composition, a conditioner composition, and a post-treatment composition, wherein the post-treatment composition contains at least about 5% by weight of at least one oily component, based on the total weight of the post-treatment composition.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: July 5, 2011
    Assignee: L'Oreal S.A.
    Inventors: Carol Hamilton, Francois Cottard, Caroline Goget
  • Patent number: 7918900
    Abstract: Disclosed herein is a process for the predictable coloring of keratinous fibers, for example, human keratinous fibers, such as the hair, comprising applying to the fibers a first composition comprising at least one oxidation base derived from diamino-N,N-dihydropyrazolone and at least one coupler, mixed with a second composition chosen from “fundamental” and/or “golden fundamental” and/or “golden” compositions.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: April 5, 2011
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Jean-Marc Ascione
  • Patent number: 7914775
    Abstract: The invention concerns a composition for treating keratinous fibers, in particular human keratinous fibers such as hair, comprising in a physiologically acceptable medium, at least a protecting or conditioning agent, and further at least a cationic associative polyurethane polymer. The invention also concerns methods and devices using said composition.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: March 29, 2011
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Roland De La Mettrie
  • Publication number: 20100254924
    Abstract: The present invention provides for kits and methods of treating hair in order to inhibit color fading and/or impart both shine- and condition-enhancing properties to colored hair, comprising a pre-treatment composition, a color-altering composition, a developer composition, a shampoo composition, a conditioner composition, and a post-treatment composition, wherein the post-treatment composition contains at least about 5% by weight of at least one oily component, based on the total weight of the post-treatment composition.
    Type: Application
    Filed: October 27, 2008
    Publication date: October 7, 2010
    Applicant: LORÉAL
    Inventors: Carol Hamilton, François Cottard, Caroline Goget
  • Patent number: 7771491
    Abstract: Compositions for the oxidation dyeing of keratin fibers, for example of human keratin fibers such as the hair, containing, in a medium suitable for dyeing: a) at least one oxidation dye, b) at least one associative polymer chosen from non-ioninc, anionic, and amphoteric polymers, c) at least one nonionic cellulose-based compound not comprising a C8-C30 fatty chain, and d) at least one cationic polymer with a charge density of greater than 1 meq/g and not comprising a C8-C30 fatty chain.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: August 10, 2010
    Assignee: L'Oreal S.A.
    Inventors: Frédéric Simonet, Luc Nicolas-Morgantini, François Cottard, Christine Rondeau
  • Patent number: 7771492
    Abstract: Compositions for oxidation dyeing of keratin fibers, in particular human keratin fibers such as hair, comprising, in a dyeing medium, at least one oxidation dye, at least one thickening polymer comprising at least one fatty chain and at least one fatty alcohol chosen from monoglycerolated and polyglycerolated fatty alcohols. Processes comprising such oxidation dyeing compositions.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: August 10, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Christine Rondeau
  • Patent number: 7766977
    Abstract: The present disclosure relates to a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising at least one first oxidation base chosen from 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one and the addition salts thereof, at least one second oxidation base chosen from para-phenylenediamines, at least one coupler chosen from meta-aminophenols and at least one oxidizing agent, the pH of the composition ranging from 5.5 to 7.5. The present disclosure makes it possible to obtain a coloration on keratin fibers with tints in red, coppery or mahogany tones that are sufficiently visible on natural or dyed hair and uniform from the roots to the ends.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: August 3, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Florence Laurent
  • Patent number: 7722682
    Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example human keratin fibers, such as the hair, comprising, in a medium suitable for dyeing, a) at least one oxidation dye; b) at least one fatty alcohol; c) at least one associative polymer; and d) at least one compound chosen from fatty acid esters and metal oxides.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: May 25, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Christine Rondeau
  • Patent number: 7695526
    Abstract: A composition for the oxidation dyeing of keratin fibers, for example, human keratin fibers, such as hair, comprising, in a medium suitable for dyeing, a) at least one oxidation dye, b) at least one fatty alcohol, c) at least one associative polymer, and d) at least one C14-C30 alkyl sulphate; as well as the process for using this composition and multicompartment kits comprising the composition.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: April 13, 2010
    Assignee: L'Oreal S.A.
    Inventors: Luc Nicolas-Morgantini, Frédéric Simonet, Christine Rondeau, François Cottard
  • Patent number: 7691155
    Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example of human keratin fibers, such as the hair, containing, in a medium that is suitable for dyeing, a) at least one oxidation dye, b) at least one associative polymer, and c) at least one aminosilicone, wherein the at least one aminosilicone/at least one associative polymer weight ratio is greater than or equal to 1.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: April 6, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Christine Rondeau
  • Patent number: 7651537
    Abstract: The present disclosure relates to a composition for dyeing keratin fibers, comprising 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one as first oxidation base, 6-chloro-2-methyl-5-aminophenyl as first coupler and a substituted meta-aminophenol of given formula as second coupler, it being understood that the at least one first oxidation base and the at least one first coupler are present in a mole ratio of less than 1.5, the at least one first oxidation base and the at least one second coupler are present in a mole ratio of greater than 1, and the molar amount of the at least one first oxidation base is greater than or equal to 2.5×10?3 mol per 100 g of composition. One aspect of the present disclosure makes it possible to obtain a strong, very chromatic, aesthetic, sparingly selective and/or fast coloration of keratin fibers in coppery shades. Further, the present disclosure makes it possible to obtain a strong coloration at a neutral pH.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: January 26, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Patricia Desenne
  • Patent number: 7651536
    Abstract: Disclosed herein is a composition for dyeing keratin fibers, comprising at least one first oxidation base chosen from 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one and the addition salts thereof, at least one second coupler chosen from para-phenylenediamine, para-tolylenediamine, and the addition salts thereof, and at least one coupler chosen from substituted meta-aminophenols, wherein the first coupler/first oxidation base mole ratio is greater than 1, the first oxidation base/second oxidation base mole ratio ranges from 0.5 to 1.5, and the molar amount of the first oxidation base is greater than or equal to 2.5×10?3 mol per 100 g of composition. Also disclosed herein is a dyeing process comprising applying such a composition to the keratin fibers. The compositions of the present disclosure may make it possible to obtain a strong, aesthetic, sparingly selective, and/or fast coloration of keratin fibers in visible deep red shades.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: January 26, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Patricia Desenne
  • Patent number: 7651539
    Abstract: Disclosed herein are compositions for dyeing keratin fibers, for example human keratin fibers such as the hair, comprising 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2 -a]pyrazol-1-one or an addition salt thereof, at least one oxidation base, at least one coupler, at least one surfactant chosen from oxyalkylenated or glycerolated fatty alcohols, anionic surfactants of sulfate or sulfonate type and amphoteric surfactants of betaine type, and at least one oxidizing agent, the pH of the composition ranging from 5.5 to 7.5. The compositions disclosed herein make it possible to obtain coloration on keratin fibers with tints in red, coppery or mahogany tones that are sufficiently visible on natural or dyed hair and/or uniform from the roots to the ends.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: January 26, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Florence Laurent, Delphine Allard
  • Patent number: 7645303
    Abstract: The subject of the invention is a composition for the oxidation dyeing of human keratinous fibers and in particular hair comprising, in a cosmetically acceptable medium based on water and at a basic pH, at least one oxidation dye and an alkalinizing agent consisting of sodium metasilicate and aqueous ammonia, and the dyeing method using this composition.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: January 12, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Christine Rondeau
  • Publication number: 20090282623
    Abstract: The present invention provides a dyeing composition comprising, in a cosmetically acceptable medium, one or more oxidation dyes, aqueous ammonia, ammonium chloride and one or more additives selected from ceramides, silicas, ascorbic acid and/or its salts, fatty acids and/or salts thereof, alkanolamines and/or salts thereof, crosslinked homopolymers of acrylic acid, copolymers of dialkyldiallylammonium chloride and acrylic acid, and particular cationic polymers, or mixtures thereof. It likewise provides a method of colouring human keratin fibres, employing the said composition in the presence of a composition comprising one or more oxidizing agents. The invention further provides a multiple-compartment device appropriate to the implementation of the said method, comprising in a first compartment a dyeing composition according to the invention and in another compartment a composition comprising one or more oxidizing agents.
    Type: Application
    Filed: March 27, 2009
    Publication date: November 19, 2009
    Inventors: Caroline GOGET, François Cottard, Florence Laurent, Jean-Marc Ascione
  • Publication number: 20090260164
    Abstract: Compositions for oxidation dyeing of keratin fibers, in particular human keratin fibers such as hair, comprising, in a dyeing medium, at least one oxidation dye, at least one thickening polymer comprising at least one fatty chain and at least one fatty alcohol chosen from monoglycerolated and polyglycerolated fatty alcohols. Processes comprising such oxidation dyeing compositions.
    Type: Application
    Filed: February 23, 2009
    Publication date: October 22, 2009
    Inventors: Francois Cottard, Christine Rondeau
  • Publication number: 20090247650
    Abstract: The invention relates to novel amphiphilic cationic associative polyurethanes of formula (I): R-X-(P)n-[L-(Y)m]r-L?-(P?)p-X?-R???(I) in which: R and R?, which are identical or different, represent a hydrophobic group or a hydrogen atom; X and X?, which are identical or different, represent a group comprising an amine functional group which may or may not carry a hydrophobic group or the L group; L, L? and L, which are identical or different, represent a group derived from a diisocyanate; P and P?, which are identical or different, represent a group comprising an amine functional group which may or may not carry a hydrophobic group; Y represents a hydrophilic group; r is an integer between 1 and 100, preferably between 1 and 50 and in particular between 1 and 25, n, m and p have values, each independently of the others, between 0 and 1000; the molecule comprising at least one protonated or quaternized amine functional group and at least one hydrophobic group.
    Type: Application
    Filed: June 11, 2009
    Publication date: October 1, 2009
    Applicant: L'Oreal
    Inventors: Nathalie Mougin, Francois Cottard, Roland DE LA Mettrie, Bertrand Lion, Elise Maury
  • Patent number: 7559957
    Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example, human keratin fibers such as the hair, comprising, in a medium that is suitable for dyeing, at least one oxidation dye and at least one polymer comprising a repetition of: (i) from 45 mol % to 60 mol % of at least one unit derived from a monomer of acrylamide type, (ii) at least one unit derived from a monomer of dialkyldiallylammonium halide type, and (iii) at least one unit derived from a monomer of vinylcarboxylic acid type, wherein the mole ratio of the amount of the at least one unit derived from a monomer of dialkyldiallylammonium halide type to the amount of the at least one unit derived from a monomer of vinylcarboxylic acid type is greater than or equal to 1. The composition disclosed herein makes it possible to prevent or reduce the phenomenon of static electricity at the surface of the hair, while at the same time maintaining good rheological and dyeing properties.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: July 14, 2009
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Gautier Deconinck