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: 20060260068
    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: Application
    Filed: March 31, 2006
    Publication date: November 23, 2006
    Inventor: Frederic Legrand
  • Publication number: 20060260070
    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: Application
    Filed: March 31, 2006
    Publication date: November 23, 2006
    Inventor: Frederic Legrand
  • Publication number: 20060260071
    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: Application
    Filed: March 31, 2006
    Publication date: November 23, 2006
    Inventor: Frederic Legrand
  • Publication number: 20060260069
    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: Application
    Filed: March 31, 2006
    Publication date: November 23, 2006
    Inventor: Frederic Legrand
  • Patent number: 7135167
    Abstract: The disclosure relates to a cosmetic composition for treating keratin fibres, such as hair, comprising, in a cosmetically acceptable medium: (i) at least one oxidizing agent; and (ii) at least one aminosilicone. The disclosure further relates to the composition's uses, such as dyeing, bleaching, and permanently reshaping keratin fibres. The disclosure also relates to the processes and devices for bleaching, dyeing or permanently reshaping human keratin fibres using the composition.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: November 14, 2006
    Assignee: L'Oreal, SA
    Inventors: Frédéric Legrand, Jean-Marie Millequant
  • Publication number: 20060248662
    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 hydroxyethylcellulose; 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: Application
    Filed: March 31, 2006
    Publication date: November 9, 2006
    Inventor: Frederic Legrand
  • Patent number: 7128902
    Abstract: A cosmetic composition for treating human keratin fibers, such as hair, comprising, in a cosmetically acceptable medium: (i) at least one reducing agent, and (ii) at least one particular aminosilicone. The compositions can be used for bleaching and permanently reshaping human keratin fibers. Processes and devices for bleaching or permanently reshaping human keratin fibers using the composition.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: October 31, 2006
    Assignee: L'Oreal, SA
    Inventors: Frédéric Legrand, Jean-Marie Millequant
  • Publication number: 20060191081
    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: Application
    Filed: April 27, 2006
    Publication date: August 31, 2006
    Inventors: Frederic Legrand, Jean-Marie Millequant
  • Patent number: 7077869
    Abstract: The invention concerns a composition for bleaching or permanent waving of keratinous fibers, in particular human keratinous fibers and more particularly hair, comprising, in a medium suitable for bleaching or permanent waving, at least a reducing agent and furthermore at least a cationic associative polyurethane. The invention also concerns methods and devices for bleaching or permanent waving of keratinous fibers using said composition.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: July 18, 2006
    Assignee: L'Oreal S.A.
    Inventors: Frédéric Legrand, Roland De La Mettrie
  • Patent number: 7066965
    Abstract: The invention concerns bleaching composition for keratinous fibres, in particular human keratinous fibres and more particularly hair, comprising, in a medium suitable for bleaching, at least an oxidising agent and furthermore at least a cationic associative polyurethane. The invention also concerns the bleaching method and devices using said composition.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: June 27, 2006
    Assignee: L'Oreal S.A.
    Inventors: Frédéric Legrand, Roland De La Mettrie
  • Patent number: 7022144
    Abstract: The invention relates to an oxidizing composition for keratin fibers, in particular for human keratin fibers and more particularly the hair, comprising, in a cosmetically acceptable medium: at least one oxidizing agent chosen from the group formed by hydrogen peroxide and compounds capable of producing hydrogen peroxide by hydrolysis, or mixtures thereof, at least one copolymer (b) based on 2-acrylamido-2-methylpropanesulphonic acid and acrylamide, and at least one polymer (c) chosen from crosslinked 2-acrylamido-2-methylpropanesulphonic acid homopolymers or amphiphilic copolymers consisting of at least one sequence of 2-acrylamido-2-methylpropanesulphonic acid units and at least one unit comprising a hydrophobic portion. The invention also relates to the dyeing, permanent-waving, bleaching and stripping processes and devices using the said composition.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: April 4, 2006
    Assignee: L'OREAL
    Inventors: Frederic Legrand, Sylvain Kravtchenko
  • Patent number: 6984250
    Abstract: A ready-to-use composition, a method, and a kit for the bleaching or permanent reshaping of keratin fibers, and in particular human keratin fibers such as the hair, comprising at least one reducing agent and at least one thickening polymer with an aminoplast-ether skeleton. This novel composition, method, and kit can be used to bleach or permanently reshape hair without dripping or falls in viscosity over time.
    Type: Grant
    Filed: November 10, 2000
    Date of Patent: January 10, 2006
    Assignee: L'Oreal
    Inventors: Frédéric Legrand, Delphine Allard
  • Publication number: 20050201960
    Abstract: A pulverulent composition for bleaching human keratin fibers, such as hair, comprising at least one peroxygenated salt, at least one polymer chosen from nonionic and anionic amphiphilic polymers, wherein the at least one polymer comprises at least one fatty chain; and less than 10% by weight of a fatty acid sugar ester comprising at least one sugar residue and at least one C12-C24 fatty acid residue. 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: Application
    Filed: May 12, 2005
    Publication date: September 15, 2005
    Inventors: Frederic Legrand, Jean-Marie Millequant
  • Publication number: 20050191251
    Abstract: Paste for bleaching human keratinous fibres, and more particularly the hair, containing at least one organic inert liquid, at least one peroxygenated salt and at least one alkaline agent, wherein it comprises at least one ceramide-type compound. Method for bleaching human keratinous fibres using it, and an appropriate device.
    Type: Application
    Filed: December 22, 2004
    Publication date: September 1, 2005
    Applicant: L'OREAL
    Inventors: Sylvain Kravtchenko, Frederic Legrand
  • Patent number: 6919073
    Abstract: A pulverulent composition for bleaching human keratin fibers, such as hair, comprising at least one peroxygenated salt, at least one polymer chosen from nonionic and anionic amphiphilic polymers, wherein the at least one polymer comprises at least one fatty chain; and less than 10% by weight of a fatty acid sugar ester comprising at least one sugar residue and at least one C12-C24 fatty acid residue. The pulverulent composition is capable of being mixed with at least one aqueous hydrogen peroxide composition having a titer 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: May 16, 2002
    Date of Patent: July 19, 2005
    Assignee: L'Oreal S.A.
    Inventors: Frédéric Legrand, Jean-Marie Millequant
  • Patent number: 6916344
    Abstract: The invention relates to a direct dyeing composition for keratinic fibers, especially human keratinic fibers such as hair, containing at least one direct dye and a thickening polymer with an ether plastic skeleton, in a medium which is suitable for dyeing. The invention also relates to dyeing methods and devices for using the invention composition.
    Type: Grant
    Filed: November 10, 2000
    Date of Patent: July 12, 2005
    Assignee: L'Oreal S.A.
    Inventors: Delphine Allard, Frédéric Legrand
  • Publication number: 20050132505
    Abstract: The invention concerns a composition for bleaching keratinous fibres dyed with oxidation dyes and/or direct dyes, in particular human keratinous fibres such as hair, comprising in a suitable bleaching medium with acid pH, a combination based on at least a sulphinic acid and at least an alpha-oxocarboxylic acid and/or their respective cosmetically acceptable salts. The invention also concerns multi-part kits devices for dyeing and bleaching said fibres and the bleaching method using said composition.
    Type: Application
    Filed: August 14, 2001
    Publication date: June 23, 2005
    Inventors: Frederic Legrand, Jean-Marie Millequant
  • Publication number: 20050129644
    Abstract: The present invention relates to the use of hydroxycarboxylic acids and salts thereof as complexing agents in reducing compositions for bleaching or permanently reshaping keratin fibres, in particular human keratin fibres and more especially the hair. The invention also relates to ready-to-use reducing compositions for bleaching or permanently reshaping keratin fibres, which contain such complexing agents, to processes and devices or “kits” for bleaching or permanently reshaping keratin fibres, and also to the use of these compositions, processes and devices for bleaching or permanently reshaping human keratin fibres and more especially the hair.
    Type: Application
    Filed: March 25, 2004
    Publication date: June 16, 2005
    Applicant: L'OREAL S.A.
    Inventors: Anne Sabbagh, Frederic Legrand
  • Publication number: 20050050648
    Abstract: The invention relates to a cosmetic composition which is intended, in particular, for bleaching human keratin fibres, 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. The invention also relates to novel compounds having formula (I), the devices comprising several compartments which are used to dye and bleach the aforementioned fibres and the bleaching method using said composition.
    Type: Application
    Filed: September 11, 2002
    Publication date: March 10, 2005
    Inventors: Frederic Legrand, Alain Lagrange
  • Publication number: 20050039270
    Abstract: The present invention relates to a ready-to-use oxidizing composition for bleaching or permanently reshaping keratin fibres. The oxidizing composition comprises polycarboxylic acids and salts thereof as complexing agents. The invention also relates to a method of using a oxidizing composition and a kit for bleaching or permanently reshaping keratin fibres.
    Type: Application
    Filed: March 25, 2004
    Publication date: February 24, 2005
    Applicant: L'OREAL S.A.
    Inventors: Frederic Legrand, Jean-Marie Millequant