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: 7049300
    Abstract: C-glycoside compounds are suited for stimulating the synthesis of glycosaminoglycans containing a D-glucosamine and/or N-acetyl-D-glucosamine residue, advantageously hyaluronic acid, and/or proteoglycans, advantageously proteoglycans containing hyaluronic acid, by fibroblasts and/or keratinocytes.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: May 23, 2006
    Assignee: L'Oreal
    Inventors: Maria Dalko, Lionel Breton
  • Publication number: 20060069032
    Abstract: The subject of the invention is the use of at least one compound chosen from ?-endorphin and ?-endorphin-mimetic agents on the keratinocytes of the skin, for example in a cosmetic composition to enhance the barrier function of the skin, enhance its resistance to stress and in particular to pollution. It also relates to a method of cosmetic treatment for enhancing the barrier function and/or the moisturization of the skin and/or mucous membranes.
    Type: Application
    Filed: November 18, 2005
    Publication date: March 30, 2006
    Applicant: L'OREAL
    Inventors: Philippe Catroux, Maria Dalko
  • Publication number: 20060026775
    Abstract: A regime/regimen (and compositions therefor) for inducing and/or stimulating the growth of keratinous fibers and/or slowing the loss and/or increasing the density thereof, notably human hair and/or eyelashes, entails administering to a mammalian subject in need of such treatment, for such period of time as required to elicit the desired effect, a thus effective amount of at least one 2-alkylideneaminooxyacetamide compound having the formula (1):
    Type: Application
    Filed: July 15, 2005
    Publication date: February 9, 2006
    Applicant: L'OREAL
    Inventors: Roger Rozot, Christophe Boulle, Maria Dalko
  • Patent number: 6987128
    Abstract: The invention concerns novel compounds of the N-acylamino-amide family, compositions, in particular cosmetic or pharmaceutical, containing them, and their use for treating body or face skin ageing, whether chronobiologic or light-induced, and in particular skin ageing caused by decrease of skin elasticity and/or by collagen degradation in the structure of tissues.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: January 17, 2006
    Assignee: L'Oreal S.A.
    Inventors: Maria Dalko, Yann Mahe, Lionel Breton
  • Publication number: 20060008436
    Abstract: Heterocyclic compounds useful for stimulating/inducing the growth of keratinous fibers, notably human hair/eyelashes, and/or slowing the loss of same, have the following structural formula (I) or salt thereof: in which Hy is a heterocycle of 4 to 7 atoms, optionally comprising carbonyl/thiocarbonyl functional groups, and G is O, S or NH.
    Type: Application
    Filed: September 29, 2003
    Publication date: January 12, 2006
    Applicant: SOCIETE L'OREAL S.A.
    Inventors: Christophe Boulle, Roger Rozot, Maria Dalko
  • Patent number: 6964954
    Abstract: Methods of improving the appearance of keratinous substances using at least one DHEA derivative such as the skin, hair, eyelashes and/or nails, in particular for preventing or treating cutaneous signs of ageing and/or a faded complexion and/or disorders of pigmentation of the skin or hair and/or drying of the skin and/or hyperseborrhoea and/or imperfections relating to hyperseborrhoea and/or sensitive skin and/or dandruff and/or hair loss and/or canities.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: November 15, 2005
    Assignee: L'Oreal
    Inventors: Maria Dalko, Alexandre Cavezza
  • Publication number: 20050187197
    Abstract: The invention concerns novel compounds of the N-acylamino-amide family, compositions, in particular cosmetic or pharmaceutical, containing them, and their use for treating body or face skin ageing, whether chronobiologic or light-induced, and in particular skin ageing caused by decrease of skin elasticity and/or by collagen degradation in the structure of tissues.
    Type: Application
    Filed: April 11, 2005
    Publication date: August 25, 2005
    Inventors: Maria Dalko, Yann Mahe, Lionel Breton
  • Patent number: 6930192
    Abstract: The invention relates to new processes for preparing 7alpha-hydroxy-dehydroepiandrosterone of formula (1):
    Type: Grant
    Filed: February 7, 2002
    Date of Patent: August 16, 2005
    Assignee: L'Oreal
    Inventors: Maria Dalko, Alexandre Cavezza, Valerie Wohlfromm
  • Publication number: 20050164991
    Abstract: 7-Oxo-DHEA derivatives, various of which are themselves novel compounds, are well suited for cosmetically/therapeutically treating adverse conditions/afflictions of a keratinous substrate/material, notably of human skin, hair, eyelashes and nails, to improve the appearance thereof, in particular to prevent or treat signs of aging of the skin and/or a dull complexion and/or skin or hair pigmentation disorders and/or dryness of the skin and/or hyperseborrhoea and/or hyperseborrhoea-related imperfections and/or sensitive skin and/or dandruff and/or natural hair loss and/or baldness.
    Type: Application
    Filed: December 3, 2004
    Publication date: July 28, 2005
    Applicant: Societe L'Oreal S.A.
    Inventors: Maria Dalko, Alexandre Cavezza, Elisabeth Picard-Lesboueyries, Beatrice Renault, Veronique Burnier
  • Publication number: 20050130991
    Abstract: Novel pyrimidine N-oxide compounds and salts thereof, well suited for stimulating the growth of keratin fibers (e.g., the hair or the eyelashes) and/or limiting the loss thereof and/or increasing their density, have the formula (A): in which n is an integer ranging from 2 to 12; R1 is a linear or branched, saturated or unsaturated alkyl radical, optionally substituted with a group —OR?, —NR?R? or —COOR?, R1 having from 1 to 20 carbon atoms, or is NR?R?; R2 is hydrogen, —NR3R4, —OR3, or —SR3, wherein R3 and R4, which may be identical or different, are each a linear or branched, saturated or unsaturated alkyl radical, optionally substituted with a group —OR?, —NR?R? or —COOR?, R2 having from 1 to 20 carbon atoms, with the proviso that R3 and R4 may form part of a saturated or unsaturated ring member of 4 to 7 atoms, optionally containing at least one hetero atom; and R? and R?, which may be identical or different, are each hydrogen or a saturated, linear or branched C1-C3 alkyl radical.
    Type: Application
    Filed: May 6, 2004
    Publication date: June 16, 2005
    Applicant: L'OREAL
    Inventors: Maria Dalko, Yann Mahe, Marie-Madeleine Cals-Grierson
  • Publication number: 20050101645
    Abstract: The invention relates to novel compounds of formula (I) wherein R1 represents a polymer, aryl or alkyl group, R2 represents a hydrogen atom, a halogen atom, a radical CN, CF3, OH, OCF3, COOH, R7, OR7 or OCOR7, R3 represents an aryl or alkyl halogen, R4 represents an alkyl radical. The invention also relates to a cosmetic composition comprising said compounds and to the use thereof to reduce and/or curb hair loss i.e. to increase and/or stimulate the growth of said hair.
    Type: Application
    Filed: December 13, 2004
    Publication date: May 12, 2005
    Inventors: Jean-Baptiste Galey, Maria Dalko, Lionel Breton
  • Publication number: 20050063999
    Abstract: Disclosed herein is the cosmetic use, as a desquamating agent, of at least one (dihydro)jasmonic acid derivative of a given formula. Further disclosed herein is a cosmetic method for smoothing the visible and/or tactile irregularities of the skin surface, for example, for smoothing wrinkles and fine lines and/or skin spots and/or smoothing the skin, comprising topically applying, to the skin, a composition comprising, in a physiologically acceptable medium, at least one (dihydro)jasmonic acid derivative and glycerine. Other embodiments disclosed herein are novel (dihydro)jasmonic acid derivatives.
    Type: Application
    Filed: July 27, 2004
    Publication date: March 24, 2005
    Inventors: Michel Neuwels, Maria Dalko
  • Publication number: 20050036974
    Abstract: The subject of the invention is the use of at least one compound chosen from ?-endorphin and ?-endorphin-mimetic agents on the keratinocytes of the skin, for example in a cosmetic composition to enhance the barrier function of the skin, enhance its resistance to stress and in particular to pollution. It also relates to a method of cosmetic treatment for enhancing the barrier function and/or the moisturization of the skin and/or mucous membranes.
    Type: Application
    Filed: July 19, 2004
    Publication date: February 17, 2005
    Applicant: L'OREAL
    Inventors: Philippe Catroux, Maria Dalko
  • Patent number: 6846812
    Abstract: 7-Oxo-DHEA derivatives, various of which are themselves novel compounds, are well suited for cosmetically/therapeutically treating adverse conditions/afflictions of a keratinous substrate/material, notably of human skin, hair, eyelashes and nails, to improve the appearance thereof, in particular to prevent or treat signs of aging of the skin and/or a dull complexion and/or skin or hair pigmentation disorders and/or dryness of the skin and/or hyperseborrhoea and/or hyperseborrhoea-related imperfections and/or sensitive skin and/or dandruff and/or natural hair loss and/or baldness.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: January 25, 2005
    Assignee: L'Oreal
    Inventors: Maria Dalko, Alexandre Cavezza, Elisabeth Picard-Lesboueyries, Béatrice Renault, Véronique Burnier
  • Patent number: 6844003
    Abstract: The invention relates to novel compounds of formula (I) wherein R1 represents a polymer, aryl or alkyl group, R2 presents a hydrogen atom, a halogen atom, a radical CN, CF3, OH, OCF3, COOH, R7, OR7 or OCOR7, R3 represents an aryl or alkyl halogen, R4 represents an alkyl radical. The invention also relates to a cosmetic composition comprising said compounds and to the use thereof to reduce and/or curb hair loss i.e.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: January 18, 2005
    Assignee: L'Oreal
    Inventors: Jean-Baptiste Galey, Maria Dalko, Lionel Breton
  • Publication number: 20050008607
    Abstract: The present invention relates to a composition suitable for topical application to the skin, containing, in a physiologically acceptable medium, at least one carbonyl amine of formula (I): It also relates to the cosmetic use of this compound, especially for preventing or combating the signs of skin ageing, especially for relaxing the lines of the face and/or for smoothing out wrinkles, in particular expression wrinkles.
    Type: Application
    Filed: June 1, 2004
    Publication date: January 13, 2005
    Applicant: L'OREAL
    Inventors: Alexandre Cavezza, Maria Dalko
  • Publication number: 20050002889
    Abstract: The present invention relates to compositions that are suitable for topical application to the skin or the scalp, containing, in a physiologically acceptable medium, at least one compound of a given formula. The invention also relates to a cosmetic treatment process comprising the topical application of these compositions and also to novel C-glycoside derivatives.
    Type: Application
    Filed: March 31, 2004
    Publication date: January 6, 2005
    Applicant: L'OREAL
    Inventors: Maria Dalko, Alexandre Cavezza, Dominique Bernard
  • Publication number: 20040192928
    Abstract: The invention concerns novel compounds of the family of 3-Alkyl-(4,5 diphenyl-imidazol-1-yl), their synthesis method and cosmetic, hygienic or pharmaceutical compositions containing them. The invention also concerns the use, in a physiologically acceptable medium, in or for preparing a soothing composition, of at least a compound of the family of 3-Alkyl-(4,5 diphenyl-imidazol-1-yl). The invention further concerns the use, in a physiologically acceptable medium, in or for producing a composition, of at least a compound of the family of 3-Alkyl-(4,5 diphenyl-imidazol-1-yl), the compound or the composition being designed to soothe skin troubles such as sensitive skins, discomfort, gnawing, itching, irritations, red spots, heat and/or flush sensations, advantageously sensitive and/or irritable and/or reactive and/or allergic symptoms of the skin and/or the scalp and/or mucosa.
    Type: Application
    Filed: May 4, 2004
    Publication date: September 30, 2004
    Inventors: Jean-Baptiste Galey, Maria Dalko, Yann Mahe, Jacqueline Dumats
  • Publication number: 20040185075
    Abstract: A cosmetic process for treating dry skin and/or a dry scalp of non-inflammatory origin, for example, in a menopausal woman, comprising topically applying to the skin and/or the scalp a composition comprising, in a physiologically acceptable medium, at least one (dihydro)jasmonic acid derivative; novel (dihydro)jasmonic acid derivatives and to the compositions, for example, suitable for topical application to the skin, comprising them.
    Type: Application
    Filed: February 2, 2004
    Publication date: September 23, 2004
    Inventor: Maria Dalko
  • Publication number: 20040161391
    Abstract: The present invention relates to the use of ascorbic acid compounds, especially esters, alone or in a composition, preferably a cosmetic composition, to, e.g., bleach human skin, head hair or other hairs, protect against tanning, and/or reverse the effects of tanning.
    Type: Application
    Filed: December 17, 2003
    Publication date: August 19, 2004
    Applicant: L'OREAL
    Inventors: Maria Dalko, Alexandre Cavezza