Patents by Inventor Frédéric Legrand

Frédéric Legrand 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: 20140305464
    Abstract: Disclosed are methods and compositions for altering the color of hair, comprising treating the hair with a pre-alkalizing composition and then treating the hair with a color-altering composition comprising at least one lift-enhancing agent, at least one oxidative dye precursor, at least one oxidizing agent chosen from peroxides, persulfates, perborates, percarbonates, peracids, bromates, their salts and mixtures thereof, and optionally, at least one direct dye.
    Type: Application
    Filed: November 9, 2012
    Publication date: October 16, 2014
    Inventors: Michael Degeorge, Frederic Legrand
  • Patent number: 8343237
    Abstract: The present invention provides a composition for treating keratin fibers, and especially human keratin fibers such as the hair, which comprises, in a cosmetically acceptable medium, one or more alkanolamines, one or more amino acids and one or more associative polymers. The present invention likewise provides methods of bleaching and/or coloring keratin fibers, and also multiple-compartment devices or kits for the implementation of these methods.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: January 1, 2013
    Assignee: L'Oreal
    Inventors: Frédéric Legrand, Jean-Marc Ascione
  • Patent number: 8257447
    Abstract: Compositions for treating keratin fibers comprising, in a cosmetically acceptable medium, at least one alkanolamine, at least one amino acid, and at least one cationic polymer. Also provided are methods of bleaching and/or coloring keratin fibers and multiple-compartment devices or kits for the implementation of these methods.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: September 4, 2012
    Assignee: L'Oreal S.A.
    Inventors: Frédéric Legrand, Jean-Marc Ascione
  • Patent number: 8241370
    Abstract: The present invention relates to a composition for treating keratin fibers, and in particular human keratin fibers such as the hair, comprising, in a cosmetically acceptable medium, one or more alkanolamines, one or more basic amino acids and one or more additional alkaline agents chosen from aqueous ammonia; ammonium salts of acids whose pKa at 25° C. is greater than 4; alkali metal or alkaline-earth metal hydroxides, carbonates, carbamates and hydrogen carbonates. The present invention also relates to processes for bleaching and/or dyeing keratin fibers, and also to multi-compartment devices or ‘kits’ for performing these processes.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: August 14, 2012
    Assignee: L'Oreal S.A.
    Inventors: Frédéric Legrand, Jean-Marc Ascione
  • Publication number: 20110150797
    Abstract: The present invention relates to a composition for treating keratin fibres, and in particular human keratin fibres such as the hair, comprising, in a cosmetically acceptable medium, one or more alkanolamines, one or more basic amino acids and one or more additional alkaline agents chosen from aqueous ammonia; ammonium salts of acids whose pKa at 25° C. is greater than 4; alkali metal or alkaline-earth metal hydroxides, carbonates, carbamates and hydrogen carbonates. The present invention also relates to processes for bleaching and/or dyeing keratin fibres, and also to multi-compartment devices or ‘kits’ for performing these processes.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 23, 2011
    Inventors: Frédéric Legrand, Jean-Marc Ascione
  • Publication number: 20110138545
    Abstract: The present invention provides a composition for treating keratin fibres, and especially human keratin fibres such as the hair, which comprises, in a cosmetically acceptable medium, one or more alkanolamines, one or more amino acids and one or more cationic polymers. The present invention likewise provides methods of bleaching and/or colouring keratin fibres, and also multiple-compartment devices or kits for the implementation of these methods.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 16, 2011
    Inventors: Frédéric Legrand, Jean-Marc Ascione
  • Publication number: 20110117037
    Abstract: The present invention provides a composition for treating keratin fibres, and especially human keratin fibres such as the hair, which comprises, in a cosmetically acceptable medium, one or more alkanolamines, one or more amino acids and one or more associative polymers. The present invention likewise provides methods of bleaching and/or colouring keratin fibres, and also multiple-compartment devices or kits for the implementation of these methods.
    Type: Application
    Filed: December 17, 2008
    Publication date: May 19, 2011
    Inventors: Frédéric Legrand, Jean-Marc Ascione
  • Patent number: 7803355
    Abstract: Disclosed herein is an anhydrous paste for bleaching human keratin fibers, such as hair, comprising at least one peroxygenated salt, at least one alkaline agent, from 15% to 35% by weight of at least one polydecene of formula C10nH[(20n)+2] wherein n ranges from 3 to 9, such as from 3 to 7, relative to the total weight of the paste, and from 0.01% to 10% by weight of at least one gelling agent chosen from hydrophilic fumed silicas, hydrophobic fumed silicas and diblock, triblock, multiblock and radial-block copolymer comprising at least one segment of styrene monomers and at least one segment of monomers chosen from thermoplastic monomers and comonomers, relative to the total weight of the paste.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: September 28, 2010
    Inventor: Frédéric Legrand
  • Patent number: 7651533
    Abstract: The present disclosure relates to a dye composition comprising at least one dye, at least one nonionic surfactant, at least one anionic surfactant, at least one fatty alcohol and at least one non-ethoxylated fatty acid ester; the weight ratio of the total amount of fatty alcohols to the total amount of nonionic and anionic surfactants being greater than 0.5 and the water content comprising at least 55% by weight. The disclosure similarly relates to a process for dyeing keratin fibers, for example human keratin fibers, using such a composition, and also to a multi-compartment device comprising the dye composition in the first compartment, and an oxidizing composition in the second compartment.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: January 26, 2010
    Inventor: Frédéric Legrand
  • Patent number: 7578854
    Abstract: The present disclosure relates to a dye composition comprising at least one dye, at least one nonionic surfactant, at least one cationic associative polymer, at least one fatty alcohol and at least one fatty acid ester, wherein the fatty alcohol/nonionic surfactant weight ratio is greater than 0.5 and water is present in the dye composition in an amount greater than or equal to 55% by weight. The disclosure also relates to a process for dyeing keratin fibers using such a composition, and also to a multi-compartment device or kit separately containing the dye composition and an oxidizing composition.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: August 25, 2009
    Assignee: L'Oreal S.A.
    Inventor: Frédéric Legrand
  • Patent number: 7575605
    Abstract: Disclosed is a dye composition comprising at least one dye, at least one fatty alcohol, at least one fatty acid ester of glycerol, at least one ether and at least one nonionic and/or anionic surfactant; wherein the dye composition comprises water in an amount of at least 55% by weight, relative to the total weight of the composition. Additionally disclosed is a process for dyeing keratin fibers using such a composition, and also a multi-compartment device comprising the dye composition and an oxidizing composition.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: August 18, 2009
    Assignee: L'Oreal S.A.
    Inventor: Frédéric Legrand
  • Patent number: 7569078
    Abstract: Disclosed herein is a dye composition comprising water in an amount greater than or equal to 40% by weight, relative to the total weight of the composition, and a process for dyeing keratin fibers, for example, human keratin fibers, using such a composition. This dye composition additionally comprise at least one dye chosen from oxidation dye precursors and direct dyes; at least one surfactant chosen from nonionic surfactants and anionic surfactants; at least one nonionic cellulose modified with at least one group comprising saturated and unsaturated, linear and branched C6-C30 hydrocarbon chains, and at least one cationic associative polymer. Also disclosed herein is a multi-compartment device or kit separately comprising the dye composition and an oxidizing composition.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: August 4, 2009
    Assignee: L'Oreal S.A.
    Inventor: Frédéric Legrand
  • Patent number: 7550015
    Abstract: The present disclosure relates to a dye composition comprising water in an amount of at least 40% by weight, relative to the total weight of the dye composition. The present disclosure also relates to a process for dyeing keratin fibers, such as human keratin fibers, using the dye composition as disclosed herein. The dye composition also comprises at least one dye chosen from oxidation dye precursors and direct dyes; at least one surfactant chosen from nonionic and anionic surfactants; at least one hydroxyethylcelluloses; at least one fatty substance; wherein the weight ratio of the total amount of surfactants to the total amount of the at least one fatty substance is greater than or equal to 1.75; and also comprising at least one cationic associative polymer. The present disclosure also relates to a multi-compartment kit comprising a first compartment comprising at least one dye composition as disclosed herein, and a second compartment comprising at least one, oxidizing composition.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: June 23, 2009
    Assignee: L'Oreal S.A.
    Inventor: Frédéric Legrand
  • Publication number: 20090116914
    Abstract: A device for machining an end of a tubular member comprises: a clamping element for clamping the tubular member to maintain same in a fixed position; a movement imparting element for imparting a circular movement to a driving member about the end of the tubular member; a milling cutter driven in rotation by the driving member and including carbide inserts to perform machining under the combined effect of the circular movement of the driving member and the rotational movement of the milling cutter.
    Type: Application
    Filed: September 8, 2006
    Publication date: May 7, 2009
    Applicant: Axxair
    Inventors: Stephan Rieth, Frederic Legrand
  • Patent number: 7442214
    Abstract: The present disclosure relates to a dye composition comprising at least one dye, at least one fatty alcohol, at least one fatty acid ester, at least one surfactant chosen from non-ionic surfactants and anionic surfactants and at least one non-ionic associative polymer, wherein water is present in the dye composition in an amount greater than or equal to 55% by weight. The present disclosure further relates to a process for dyeing keratin fibers, including human keratin fibers, using such a composition and also to a multi-compartment kit separately comprising the dye composition and an oxidizing composition.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: October 28, 2008
    Assignee: L'Oreal S.A.
    Inventor: Frédéric Legrand
  • Patent number: 7226486
    Abstract: Ready-to-use compositions for bleaching human keratin fibers, such as hair, comprising i) at least one anhydrous bleaching composition, in paste form, comprising at least one peroxygenated salt, at least one alkaline agent and from 1% to 35% by weight of at least one inert organic liquid, and ii) at least one oil-in-water emulsion comprising at least one first surfactant chosen from nonionic and anionic surfactants and at least one copolymer comprising (a) at least one unit derived from a salified or non-salified (meth)acrylic acid and (b) at least one unit derived from esters of (meth)acrylic acid and at least one first fatty alcohol chosen from saturated and unsaturated, linear and branched, ethoxylated C8-C30 fatty alcohols, wherein said ingredients (i) and (ii) are mixed before use; process for preparing the compositions; process for bleaching human keratin fibers using the compositions; and multicompartment devices comprising the compositions.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: June 5, 2007
    Assignee: L'Oreal S.A
    Inventor: Fréderic Legrand
  • Patent number: 7220285
    Abstract: A pulverulent composition for bleaching human keratin fibers, and more particularly the hair, comprising at least one peroxygenated salt, at least one polymer chosen from nonionic and anionic amphiphilic polymers, wherein said at least one polymer comprises at least one fatty chain; and at least one polydecene of formula C10nH[(20n)+2] in which n ranges from 3 to 9, the at least one polydecene being present in an amount by weight of less than 10% relative to the total weight of the composition. The pulverulent composition is capable of being mixed with at least one aqueous hydrogen peroxide composition having a titre of not more than 40 volumes to form stable, homogeneous, bleaching compositions that can be applied precisely and easily, and can produce a homogeneous bleaching of the hair that does not leave the hair coarse.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: May 22, 2007
    Assignee: L'Oreal S.A.
    Inventors: Frédéric Legrand, Jean-Marie Millequant
  • Patent number: 7217298
    Abstract: A composition comprising: i) at least one anhydrous bleaching composition in paste form comprising at least one peroxygenated salt, at least one alkaline agent, and from 15% to 35% by weight of at least one inert organic liquid, and ii) at least one oxidizing composition in the form of a hydrogen peroxide oil-in-water emulsion comprising at least one surfactant chosen from nonionic and anionic surfactants and at least one copolymer comprising at least one hydrophobic unit and at least one unit derived from at least one ethylenically unsaturated monomer comprising at least one sulphonic group, in free or partially or totally neutralized form. The composition may, for example, be used for bleaching human keratin fibers, such as hair. Also disclosed is a process for preparing a ready-to-use composition, comprising mixing, before use, the bleaching composition with the oxidizing composition.
    Type: Grant
    Filed: January 16, 2004
    Date of Patent: May 15, 2007
    Assignee: L'Oreal S.A.
    Inventors: Fréderic Legrand, Sylvain Kravtchenko
  • Patent number: 7179300
    Abstract: The invention relates to a cosmetic composition which is intended, in particular, for bleaching human keratin fibers, particularly hair, which have been dyed with oxidation dyes and/or direct dyes. The inventive composition comprises sulphunic acid derivatives having general formula (I) in a cosmetically-acceptable medium, at a pH of between 1.5 and 9.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: February 20, 2007
    Assignee: L'Oreal S.A.
    Inventors: Frédéric Legrand, Alain Lagrange
  • Publication number: 20060265817
    Abstract: The present disclosure relates to a dye composition comprising at least one dye, at least one fatty alcohol, at least one fatty acid ester, at least one surfactant chosen from non-ionic surfactants and anionic surfactants and at least one non-ionic associative polymer, wherein water is present in the dye composition in an amount greater than or equal to 55% by weight. The present disclosure further relates to a process for dyeing keratin fibers, including human keratin fibers, using such a composition and also to a multi-compartment kit separately comprising the dye composition and an oxidizing composition.
    Type: Application
    Filed: March 31, 2006
    Publication date: November 30, 2006
    Inventor: Frederic Legrand