Patents by Inventor Jean Maignan

Jean Maignan 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: 20050208001
    Abstract: Compounds of formula (I): characteristically activators of receptors of PPAR type, are well suited for treating cutaneous disorders/afflictions, notably rosacea, intrinsic (or chronological) aging, pigmentation disorders, seborrhoeic function disorders, barrier function disorders and more particularly epidermal lipid secretion disorders, wound healing disorders, corticosteroid-induced cutaneous atrophies, or ulcers, immune system disorders, cardiovascular system conditions, and/or lipid metabolism disorders.
    Type: Application
    Filed: May 4, 2005
    Publication date: September 22, 2005
    Applicant: SOCIETE L'OREAL, S.A.
    Inventors: Jean Maignan, Serge Michel
  • Publication number: 20040037856
    Abstract: The invention concerns the use for topical application of compounds containing a thio-ether, sulphoxide or sulphone function as cosmetic anti-pollution agent and a cosmetic treatment method to obtain protection of the organism against pollution effects.
    Type: Application
    Filed: August 28, 2003
    Publication date: February 26, 2004
    Inventors: Philippe Catroux, Jean Maignan, Jose Cotovio
  • Patent number: 6514507
    Abstract: 10-Hydroxy-2-decenoic acid and derivatives thereof are well suited for promoting desquamation and/or stimulating epidermal renewal and/or combating intrinsic/extrinsic aging of the skin of a candidate individual in need of such treatment, by administering thereto, for such period of time as required to elicit the desired response, an effective amount of at least one of said 10-hydroxy-2-decenoic acid or derivative thereof.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: February 4, 2003
    Assignee: Societe L'Oreal S.A.
    Inventors: Jean Maignan, Sylvie Genard
  • Patent number: 6511670
    Abstract: Novel pharmaceutically/cosmetically-active (poly)thiaalkynoic compounds have the structural formula (I): R1—Y—CH2—C≡C—CH2—S—CH2—R2  (I) and are useful for the treatment of a wide variety of disease states, whether human or veterinary, for example inflammation disorders, as well as for the treatment of mammalian skin and hair conditions/disorders.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: January 28, 2003
    Assignee: Societe L'Oreal S.A.
    Inventors: Jean Maignan, Sylvie Genard, Serge Michel
  • Publication number: 20030013734
    Abstract: Compounds of formula (I): 1
    Type: Application
    Filed: August 21, 2002
    Publication date: January 16, 2003
    Inventors: Jean Maignan, Serge Michel
  • Publication number: 20030003115
    Abstract: 10-Hydroxy-2-decenoic acid and derivatives thereof are well suited for promoting desquamation and/or stimulating epidermal renewal and/or combating intrinsic/extrinsic aging of the skin of a candidate individual in need of such treatment, by administering thereto, for such period of time as required to elicit the desired response, an effective amount of at least one of said 10-hydroxy-2-decenoic acid or derivative thereof.
    Type: Application
    Filed: September 20, 1999
    Publication date: January 2, 2003
    Inventors: JEAN MAIGNAN, SYLVIE GENARD
  • Patent number: 6475495
    Abstract: The invention concerns a compound selected among hyper-branched polymers and dendrimers, characterised in that it comprises at least one group of formula (I). The invention also concerns a method for preparing said compounds, and their use as thickening or gelling agent, in particular in cosmetics or pharmaceutics. The invention further concerns a cosmetic or pharmaceutical composition containing, in a cosmetically or pharmaceutically acceptable medium, said compounds.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: November 5, 2002
    Assignee: L'Oreal, S.A.
    Inventors: Jean Maignan, Sylvie Genard
  • Patent number: 6432423
    Abstract: The invention concerns the use of hyperbranched polymers and dendrimers, comprising at least one group of formula (I) in which: Y represents the oxygen atom or a NH group: and A represents a C1-C12 alkane di-yl group, linear, branched or cyclic, saturated or unsaturated; said group being optionally interrupted by one or several heteroatoms and/or substituted by a function selected among: amino (—NH2): acylamino (—NH—CO—R) in which R represents a C1-C10 alkyl group, linear, branched or cyclic, saturated or unsaturated; carboxylic acid (—COOH), ester (—COOR) in which R represents a C1-C10 alkyl group, linear, branched or cyclic, saturated or unsaturated, as film-forming agent. The invention also concerns a film-forming composition comprising said compound and its use particularly in cosmetics or pharmaceutics.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: August 13, 2002
    Assignee: L'Oreal
    Inventors: Jean Maignan, Sylvie Genard
  • Publication number: 20020086041
    Abstract: 10-Hydroxy-2-decenoic acid and derivatives thereof are well suited for promoting desquamation and/or stimulating epidermal renewal and/or combating intrinsic/extrinsic aging of the skin of a candidate individual in need of such treatment, by administering thereto, for such period of time as required to elicit the desired response, an effective amount of at least one of said 10-hydroxy-2-decenoic acid or derivative thereof.
    Type: Application
    Filed: November 30, 2001
    Publication date: July 4, 2002
    Inventors: Jean Maignan, Sylvie Genard
  • Patent number: 6414038
    Abstract: Glycation, particularly of proteins, notably of the skin and/or nails and/or hair of an individual subject in need of such treatment, especially for combating skin aging, comprises administering thereto, for such period of time as required to elicit the desired cosmetic/therapeutic response, a thus-effective amount of at least one hydroxystilbene compound, e.g., of 3,3′,5,5′-tetrahydroxystilbene or derivative thereof.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: July 2, 2002
    Assignee: Societe L'Oreal
    Inventor: Jean Maignan
  • Patent number: 6395867
    Abstract: A polymer chosen from hyperbranched polymers and dendrimers containing at least one functional group of formula (I): in which: Y is chosen from an oxygen atom and an NH group; A is chosen from linear, branched and cyclic, saturated and unsaturated C1-C12 alkanediyl groups, wherein said alkanediyl groups may or may not be interrupted by at least one heteroatom, and further wherein said alkanediyl group may or may not be substituted with at least one function chosen from: -amino groups NH2 and salts thereof with inorganic acids or organic acids, -acylamino groups NH—COR, in which R is chosen from linear, branched and cyclic, saturated and unsaturated C1-C10 alkyl groups, -C1-C10 alkylamino groups, -carboxylic acid, and -C1-C10 esters; and X is chosen from nucleophilic groups, methods for preparing the polymer and using the polymer as an antioxidant is disclosed.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: May 28, 2002
    Assignee: L'Oreal
    Inventor: Jean Maignan
  • Patent number: 6391064
    Abstract: The use of derivatives of quinoline- or quinoxaline-5,8-diones or -diols in cosmetics, especially for the dyeing of keratinous matter and, in particular, the hair. It also relates to novel compounds of this class. The invention is also directed to dyeing compositions comprising the said compounds and to the method of dyeing keratinous fibers.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: May 21, 2002
    Assignee: L'Oreal S.A.
    Inventors: Richard Baudry, Jean Maignan, Sylvie Genard
  • Publication number: 20020049250
    Abstract: Compounds of formula (I): 1
    Type: Application
    Filed: August 22, 2001
    Publication date: April 25, 2002
    Inventors: Jean Maignan, Serge Michel
  • Publication number: 20010025056
    Abstract: Glycation, particularly of proteins, notably of the skin and/or nails and/or hair of an individual subject in need of such treatment, especially for combating skin aging, comprises administering thereto, for such period of time as required to elicit the desired cosmetic/therapeutic response, a thus-effective amount of at least one hydroxystilbene compound, e.g., of 3,3′,5,5′-tetrahydroxystilbene or derivative thereof.
    Type: Application
    Filed: December 20, 2000
    Publication date: September 27, 2001
    Inventor: Jean Maignan
  • Patent number: 6177089
    Abstract: The use of specific sulphonic acids or hydrates thereof in or for the preparation of a cosmetic or dermatological composition for achieving various effects on the skin, such as promoting desquamation of the skin, stimulating epidermal renewal, combatting intrinsic and extrinsic cutaneous aging. A process for the non-therapeutic treatment of the skin intended to achieve such effects, such as to promote the desquamation of the skin.
    Type: Grant
    Filed: September 6, 1996
    Date of Patent: January 23, 2001
    Assignee: L'Or{acute over (e)}al
    Inventor: Jean Maignan
  • Patent number: 6153649
    Abstract: The use of carboxylic acids having a thioether function, a sulphoxide function or a sulphone function in or for making a cosmetic or dematological composition for promoting skin exfoliation and/or stimulating epidermal regeneration, is disclosed. The use of said composition for controlling intrinsic and extrinsic skin ageing, and a non-therapeutic skin treatment method useful for skin exfoliation, are also disclosed.
    Type: Grant
    Filed: April 29, 1998
    Date of Patent: November 28, 2000
    Assignee: L'Oreal
    Inventor: Jean Maignan
  • Patent number: 5702710
    Abstract: Novel pharmaceutically/cosmetically-active dibenzofuran compounds have the structural formula (I): ##STR1## wherein A is a radical having one of the formulae (IIa), (IIb) or (IIc): ##STR2## and are useful for the treatment of a wide variety of disease states, whether human or veterinary, for example dermatological, rheumatic, respiratory, cardiovascular and ophthalmological disorders, as well as for the treatment of mammalian skin and hair conditions/disorders.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: December 30, 1997
    Assignee: Centre International de Recherches Dermatologiques Galderma
    Inventors: Bruno Charpentier, Michele Vion, Bruno Bernard, Jean Maignan
  • Patent number: 5631244
    Abstract: Mono (6-amino-6-deoxy)cyclodextrin derivatives substituted in the 6-position by an .alpha.-amino acid residue. These derivatives correspond to the following general formula: ##STR1## in which: CD represents .alpha.-, .beta.- or .gamma.-cyclodextrin,n is 0 or 1, andZ represents a divalent radical chosen from:(i) --CH.sub.2(ii) --O--CH.sub.2--(iii) --S--CH.sub.2 --, ##STR2## and (v) --O--C.sub.6 H.sub.4 --CH.sub.2 --.These derivatives find an application in the formation of inclusion complexes of active substances and can be used in various fields, in particular in cosmetics, in dermatology and in pharmacology.
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: May 20, 1997
    Assignee: L'Oreal
    Inventors: Herve Galons, Jean Maignan, Jallal Gnaim
  • Patent number: 5523319
    Abstract: The present application relates to novel compounds of the benzo-heterocycle family as well as to processes for their preparation and to the intermediate compounds obtained.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: June 4, 1996
    Assignee: Lore L
    Inventors: Guy Solladie, Dominique Boeffel, Jean Maignan
  • Patent number: 5466694
    Abstract: Composition for slowing down hair loss and inducing and stimulating its growth, comprising a compound of the following formula: ##STR1## wherein R.sub.1 and R.sub.3 denote H; R.sub.2 and R.sub.4 denote H or an alkyl; R.sub.5 denotes H, an alkyl, an alkenyl, a cycloalkyl, an aryl, an arylalkyl, a hydroxyalkyl or an aminoalkyl; X denotes H, halogen, alkyl, nitro, benzoyloxy or --NHR.sub.6 where R.sub.6 denotes H, acyl or alkyl; Z denotes sulfur or oxygen, with the proviso that Z denotes sulfur when X denotes H or R.sub.5 denotes aryl; Y denotes oxygen or OSO.sub.3 ; as well as its physiologically acceptable salts.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: November 14, 1995
    Assignee: L'Oreal
    Inventors: Eric Terranova, Jean B. Galey, Michel Hocquaux, Jean Maignan, Remy Tuloup