Patents by Inventor Maria Dalko

Maria Dalko 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).

  • Patent number: 9138389
    Abstract: The invention relates to a method for cosmetically treating oily skin, including the topical application onto the skin of a composition containing a jasmonic acid compound in a physiologically acceptable medium.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: September 22, 2015
    Assignee: L'OREAL
    Inventor: Maria Dalko
  • Publication number: 20150250698
    Abstract: The invention relates to the cosmetic use of at least one compounds according to the following formula (I), as an anti-dandruff agent or for preventing and/or treating scalp dandruff: where “sugar” denotes a monosaccharide residue chosen from rhamnose, xylose, fucose, mannose, lyxose, and arabinose; where R, substituting the anomeric oxygen in the sugar (represented by “O” in formula (I)), denotes a radical comprising 6 to 38 carbon atoms chosen from: —a linear or branched, saturated alkyl radical; —a linear or branched, alkenyl radical; said linear or branched saturated alkyl radical being optionally substituted by at least one OH and/or NH2 function; —if “sugar” denotes a mannose residue, R denotes a linear C6-C38 alkyl radical, substituted by at least one OH function or an NH2 function; and the salts and solvates and/or optical isomers thereof, alone or in a mixture, particularly racemic forms. The invention also relates to compounds according to formula (I), and cosmetic compositions containing same.
    Type: Application
    Filed: September 19, 2013
    Publication date: September 10, 2015
    Inventors: Maria Dalko, Julien Hitce, Laure Ramos-Stanbury
  • Patent number: 9107847
    Abstract: The invention relates to the use in a composition for caring for human hair or eyelashes of an effective amount of a pyridinedicarboxylic acid derivative of general formula (I) or of one of its salts, in which R1 and R2 represent, independently of one another, OH, OR?, —NH2, —NHR? or —NR?R?, and R? and R? represent, independently of one another, a saturated or unsaturated and linear or branched C1-C18 alkyl radical or an aryl radical, this alkyl or aryl radical optionally being substituted by at least one OH, alkoxy, acyloxy, amino or alkylamino group, or R? and R? together represent a heterocycle, the composition being intended to induce and/or stimulate the growth of human keratinous fibers, such as the hair and eyelashes, and/or slow down their loss; the invention also relates to a cosmetic treatment intended to stimulate the growth of human keratinous fibers, such as the hair and eyelashes, and/or slow down their loss.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: August 18, 2015
    Assignee: Societe L'Oreal S.A.
    Inventors: Maria Dalko, Geneviève Loussouarn, Charles El Rawadi, Christophe Boulle, Bruno Bernard
  • Patent number: 9029422
    Abstract: The present invention relates to a cosmetic method for treating and/or preventing greasy skin or greasiness-prone skin and/or the associated cutaneous aesthetic defects, comprising the topical application to the skin of a composition comprising, in a cosmetically acceptable medium, at least one compound of formula (I): in which: R represents a hydrogen atom or a saturated or unsaturated and linear or branched C1-C6 hydrocarbon radical; R? represents a saturated or unsaturated and linear or branched C1-C18 hydrocarbon radical, optionally substituted by a hydroxyl group; C—X represents C?O or CH—OH.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: May 12, 2015
    Assignee: L'Oreal
    Inventor: Maria Dalko
  • Publication number: 20140220081
    Abstract: The present invention relates to novel galactose derivatives of general formula (I) and their use as agents for stimulating the immune system of the skin and/or as immunoregulators, and for preparing a composition containing a cosmetically or pharmaceutically acceptable medium, intended in particular to prevent and/or limit the appearance of cutaneous immune imbalances, in particular related to environmental stresses.
    Type: Application
    Filed: February 18, 2014
    Publication date: August 7, 2014
    Applicant: L'OREAL
    Inventors: Nathalie PINEAU, Maria Dalko
  • Publication number: 20140213660
    Abstract: The present invention relates to a cosmetic method for treating and/or preventing greasy skin or greasiness-prone skin and/or the associated cutaneous aesthetic defects, comprising the topical application to the skin of a composition comprising, in a cosmetically acceptable medium, at least one compound of formula (I): in which: R represents a hydrogen atom or a saturated or unsaturated and linear or branched C1-C6 hydrocarbon radical; R? represents a saturated or unsaturated and linear or branched C1-C18 hydrocarbon radical, optionally substituted by a hydroxyl group; C—X represents C?O or CH—OH.
    Type: Application
    Filed: March 30, 2012
    Publication date: July 31, 2014
    Applicant: L'OREAL
    Inventor: Maria Dalko
  • Patent number: 8741272
    Abstract: The invention relates to the use, as an agent for treating human perspiration, in a cosmetic composition, of amino acid derivatives of formula (I) below: The invention also relates to a cosmetic process for treating perspiration and possibly the body odour associated with human perspiration, especially underarm odour. The invention also relates to novel amino acid derivatives of formula (II) that will be defined in detail hereinbelow, and to cosmetic or dermatological compositions containing them.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: June 3, 2014
    Assignee: L'Oreal
    Inventors: Maria Dalko, Julien Hitce, Thomas Delanne
  • Patent number: 8729254
    Abstract: An O-acyl product derived from glucose which may be obtained by partial or total esterification of glucose and of vitamin F, comprising a mixture of esters, for example, monoesters, of glucose and of at least one acid chosen from linoleic acid, oleic acid, palmitic acid and stearic acid, compositions, for example, cosmetic and pharmaceutical compositions, comprising this novel derivative, and their use for improving the condition of head hair and/or other hairs, and, for example, for reducing and/or impeding the loss of head hair and/or other hairs, and/or for inducing and/or stimulating hair growth, as well as a process for preparing O-acyl derivatives mainly in position 6 of glucose, comprising preparing a mixed anhydride by reacting a carboxylic acid with a trimethylacetyl halide, followed by reacting said mixed anhydride formed with glucose.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: May 20, 2014
    Assignee: L'Oreal
    Inventors: Jean-François Michelet, Maria Dalko, Bruno Bernard, Didier Semeria, Michel Philippe
  • Patent number: 8722025
    Abstract: The invention relates to a cosmetic or dermatological composition comprising a hyaluronic acid derivative which comprises ureidopyrimidone units, to the said derivatives and to a cosmetic treatment method using them.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: May 13, 2014
    Assignee: L'Oreal
    Inventors: Sandrine Chodorowski-Kimmes, Maria Dalko
  • Publication number: 20140105837
    Abstract: The present invention relates to novel compounds of formula (I) where: X is an —OH or ?O grouping; n is an integer between 0 and 5; R? is H or a C1-C4 alkyl radical, when n?2, two adjacent —OR? groupings can together form the divalent radical —O—CH2—O—; except when X?OH, the compound does not comprise a double ethylene link in the alpha position of the carbon having said OH. The invention also relates to the salts thereof, to the optical isomers thereof, to the cosmetic and pharmaceutical compositions containing same, and to the use thereof to prevent and cosmetically treat the signs of aging on the skin.
    Type: Application
    Filed: October 14, 2013
    Publication date: April 17, 2014
    Applicant: L'OREAL
    Inventors: Maria Dalko, Alexandre Cavezza
  • Patent number: 8679513
    Abstract: The present invention relates to the cosmetic use of jasmonic acid derivatives of formula (I) in which: R1 represents a radical COOR3, R3 denoting a hydrogen atom or a C1-C4 alkyl radical, optionally substituted with one or more hydroxyl groups; R2 represents a linear saturated or unsaturated hydrocarbon-based radical containing from 1 to 18 carbon atoms, or a branched or cyclic saturated or unsaturated hydrocarbon-based radical containing from 3 to 18 carbon atoms; and also an optical isomer thereof and/or a corresponding salt thereof, in a composition for caring for and/or making up keratin fibers, in particular human keratin fibers, for the purpose of inducing and/or stimulating the growth of the keratin fibers and/or of halting their loss and/or increasing their density.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: March 25, 2014
    Assignee: L'Oreal
    Inventors: Christophe Boulle, Maria Dalko
  • Publication number: 20140050684
    Abstract: The present invention relates to a cosmetic process for treating human body odor, in particular underarm odor, which consists in applying to human keratin materials a composition containing, in a cosmetically acceptable medium, at least one 4-(3-ethoxy-4-hydroxyphenyl)alkyl ketone or 2-ethoxy-4-hydroxyalkylphenol compound of formula (I) below: in which: R represents a hydrogen atom, or a linear or branched, saturated or unsaturated (alkyl or alkenyl), C1-C18 hydrocarbon-based radical; R? represents a linear or branched, saturated or unsaturated (alkyl or alkenyl), C1-C18 hydrocarbon-based radical, optionally substituted with a hydroxyl group; C—X represents C?O or CH—OH. The invention also relates to the cosmetic use of at least one compound of formula (I), as a deodorant active agent.
    Type: Application
    Filed: March 29, 2012
    Publication date: February 20, 2014
    Applicant: L'OREAL
    Inventor: Maria Dalko
  • Publication number: 20140050678
    Abstract: The present invention relates to the use, as an antidandruff agent, of a compound of formula: in which: R1 represents a hydrogen atom or a hydrocarbon-based radical; R? represents a C1-C18 hydrocarbon-based radical, optionally substituted with a hydroxyl group; C—X represents C?O or CH—OH.
    Type: Application
    Filed: March 30, 2012
    Publication date: February 20, 2014
    Applicant: L'OREAL
    Inventor: Maria Dalko
  • Publication number: 20140039064
    Abstract: Use of gingerone or derivatives thereof for reducing or delaying the signs of skin ageing. The present invention relates to the cosmetic use of at least one compound of general formula (I): in which:—R1 represents a methyl or ethyl radical;—R2 represents a hydrogen atom or a methyl or ethyl radical;—R3 represents a linear C1-C6 or branched C3-C6 alkyl radical, or a linear C2-C6 or branched C3-C6 alkenyl radical; and—X represents =O or —OH, as an agent for reducing and/or delaying the signs of skin ageing.
    Type: Application
    Filed: March 30, 2012
    Publication date: February 6, 2014
    Applicant: L'OREAL
    Inventors: Maria Dalko, Sophie Saussay
  • Patent number: 8609117
    Abstract: Cosmetic or pharmaceutical compositions comprising compounds of formula (I) and the corresponding salts thereof: wherein: R1 is a radical chosen from —COOR?, —CONR?R?, —CH2OR?, —COR?, —CH2R?, —SO2OR?, —PO3R?R? and —NHR?, wherein R? and R?, which may be identical or different, are defined herein; —R2 is chosen from saturated and unsaturated, linear, branched and cyclic hydrocarbon radicals comprising from 1 to 18 carbon atoms which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR??, —OCOR??, —SR??, —SCOR??, NR??R??, —NHCOR??, halogen, —CN, —COOR?? and —COR??, wherein R?? and R??, which may be identical or different, are defined herein; as well as the use of these compounds, for example, to promote skin desquamation, to stimulate epidermal renewal and/or to combat the signs of skin ageing.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: December 17, 2013
    Assignee: L'Oreal S.A.
    Inventors: Christophe Boulle, Maria Dalko, Jean-Luc Leveque, Lucie Simonetti
  • Patent number: 8603502
    Abstract: Cosmetic or pharmaceutical compositions comprising compounds of formula (I) and the corresponding salts thereof: wherein: R1 is a radical chosen from —COOR?, —CONR?R?, —CH2OR?, —COR?, —CH2R?, —SO2OR?, —PO3R?R? and —NHR?, wherein R? and R?, which may be identical or different, are defined herein; R2 is chosen from saturated and unsaturated, linear, branched and cyclic hydrocarbon radicals comprising from 1 to 18 carbon atoms which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR??, —OCOR??, —SR??, —SCOR??, NR??R??, —NHCOR??, halogen, —CN, —COOR?? and —COR??, wherein R?? and R??, which may be identical or different, are defined herein, as well as the use of these compounds, for example, to promote skin desquamation, to stimulate epidermal renewal and/or to combat the signs of skin ageing.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: December 10, 2013
    Assignee: L'Oreal S.A.
    Inventors: Christophe Boulle, Maria Dalko, Jean-Luc Leveque, Lucie Simonetti
  • Patent number: 8591869
    Abstract: The present invention relates to novel compounds of formula (I) where: X is an —OH or ?O grouping; n is an integer between 0 and 5; R? is H or a C1-C4 alkyl radical, when n?2, two adjacent —OR? groupings can together form the divalent radical —O—CH2—O—; except when X?OH, the compound does not comprise a double ethylene link in the alpha position of the carbon having said OH. The invention also relates to the salts thereof, to the optical isomers thereof, to the cosmetic and pharmaceutical compositions containing same, and to the use thereof to prevent and cosmetically treat the signs of aging on the skin.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: November 26, 2013
    Assignee: L'Oreal
    Inventors: Maria Dalko, Alexandre Cavezza
  • Publication number: 20130230473
    Abstract: The present invention relates to the use as a preserving agent, in particular in cosmetic or dermatological composition, of at least one compound of formula (I): in which:—X represents ?O or —OH;—R1 represents a hydrogen atom or a methyl;—R2 represents a hydrogen atom, a methyl or an ethyl;—R3 represents a C1-C12, saturated or unsaturated, linear hydrocarbon-based radical, optionally substituted with a hydroxyl group (OH); with the exclusion of the compound of formula (I) in which X represents ?O, R1=methyl, R2=H and R3=—(CH2)6—CH3. The invention also relates to certain novel compounds and to the cosmetic or dermatological compositions comprising same.
    Type: Application
    Filed: October 6, 2011
    Publication date: September 5, 2013
    Applicant: L'Oreal
    Inventors: Maria Dalko, Laurent Gilbert
  • Patent number: 8481594
    Abstract: Cosmetic or pharmaceutical compositions comprising compounds of formula (I) and the corresponding salts thereof: wherein: R1 is a radical chosen from —COOR?, —CONR?R?, —CH2OR?, —COR?, —CH2R?, —SO2OR?, —PO3R?R? and —NHR?, wherein R? and R?, which may be identical or different, are defined herein; R2 is chosen from saturated and unsaturated, linear, branched and cyclic hydrocarbon radicals comprising from 1 to 18 carbon atoms which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR??, —OCOR??, —SCOR??, NR??R??, —NHCOR??, halogen, —CN, —COOR?? and —COR??, wherein R?? and R??, which may be identical or different, are defined herein; as well as the use of these compounds, for example, to promote skin desquamation, to stimulate epidermal renewal and/or to combat the signs of skin ageing.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: July 9, 2013
    Assignee: L'Oreal S. A.
    Inventors: Christophe Boulle, Maria Dalko, Jean-Luc Leveque, Lucie Simonetti
  • Publication number: 20130171085
    Abstract: The invention relates to novel compounds derived from amino acids of formula (I) and also to cosmetic or dermatological compositions containing them and to their use as agents for treating human perspiration in a cosmetic composition. The invention also relates to a cosmetic process for treating perspiration and possibly the body odour associated with human perspiration, especially underarm odour.
    Type: Application
    Filed: June 8, 2011
    Publication date: July 4, 2013
    Applicant: L'OREAL
    Inventors: Maria Dalko, Julien Hitce