Patents by Inventor Ahcene Boumendjel

Ahcene Boumendjel 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: 11440932
    Abstract: The present invention relates to a compound of formula (I): (I) as defined in the description. The present invention also relates to a method for extracting biological membrane-associated membrane proteins, comprising a step of bringing an aqueous solution of biological membrane-associated membrane proteins into contact with at least one compound of the invention. The present invention also relates to a method for stabilizing membrane proteins in solution in an aqueous solution, comprising a step (i) consisting in bringing an aqueous solution of a membrane protein in solution into contact with at least one compound of the invention.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: September 13, 2022
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, UNIVERSITE GRENOBLE ALPES
    Inventors: Pierre Falson, Julien Dauvergne, Ahcène Boumendjel, Marine Peuchmaur, Kim Anh Nguyen, Sandrine Magnard
  • Publication number: 20220267289
    Abstract: A compound of formula (I): or pharmaceutically acceptable enantiomer, salt or solvate thereof, or a mixture thereof, the ring A, and the substituents Z, Y and R1 being as defined herein.
    Type: Application
    Filed: June 1, 2020
    Publication date: August 25, 2022
    Applicants: UNIVERSITE GRENOBLE ALPES, CNRS - CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1
    Inventors: Ahcène BOUMENDJEL, Pierre FALSON, Alexis MORENO, Basile PERES, Emile ROUSSEL
  • Publication number: 20210130385
    Abstract: The present invention relates to a compound of formula (I): (I) as defined in the description. The present invention also relates to a method for extracting biological membrane-associated membrane proteins, comprising a step of bringing an aqueous solution of biological membrane-associated membrane proteins into contact with at least one compound of the invention. The present invention also relates to a method for stabilizing membrane proteins in solution in an aqueous solution, comprising a step (i) consisting in bringing an aqueous solution of a membrane protein in solution into contact with at least one compound of the invention.
    Type: Application
    Filed: December 27, 2017
    Publication date: May 6, 2021
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, UNIVERSITE GRENOBLE ALPES
    Inventors: Pierre FALSON, Julien DAUVERGNE, Ahcène BOUMENDJEL, Marine PEUCHMAUR, Kim Anh NGUYEN, Sandrine MAGNARD
  • Patent number: 9896415
    Abstract: The present invention relates to the compounds of formula (I): wherein: R2, R4 and R6, either identical or different, represent a hydrogen, chlorine bromine, iodine or fluorine atom, or a group —OH or —O-alkyl comprising from 1 to 6 carbon atoms; R2? and R4?, either identical or different, represent a hydrogen atom, or a group —OH or —O-alkyl comprising from 1 to 6 carbon atoms; with R2? and/or R4? which represent a methoxy group; n is equal to 1, 2, 3; X?CH2, O, S or N(R7); and R7 represents a hydrogen atom or an alkyl group comprising from 1 to 6 carbon atoms; as well as pharmaceutically acceptable hydrates, solvates and salts thereof.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: February 20, 2018
    Assignees: UNIVERSITE CLAUDE BERNARD LYON I, HOSPICES CIVILS DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Charles Dumontet, Ahcene Boumendjel, Guillaume Monneret
  • Publication number: 20160052881
    Abstract: The present invention relates to the compounds of formula (I): wherein: R2, R4 and R6, either identical or different, represent a hydrogen, chlorine bromine, iodine or fluorine atom, or a group —OH or —O-alkyl comprising from 1 to 6 carbon atoms; R2? and R4?, either identical or different, represent a hydrogen atom, or a group —OH or —O-alkyl comprising from 1 to 6 carbon atoms; with R2? and/or R4? which represent a methoxy group; n is equal to 1, 2, 3; X?CH2, O, S or N(R7); and R7 represents a hydrogen atom or an alkyl group comprising from 1 to 6 carbon atoms; as well as pharmaceutically acceptable hydrates, solvates and salts thereof.
    Type: Application
    Filed: April 4, 2014
    Publication date: February 25, 2016
    Inventors: Charles DUMONTET, Ahcene BOUMENDJEL, Guillaume MONNERET
  • Publication number: 20160039742
    Abstract: A process for obtaining (±)-cis-2-dimethylaminomethyl-1-(3-methoxyphenyl)-cyclohexanol includes the following steps: (a) extracting from roots of Nauclea Latifolia with an appropriate solvent, leading to a crude residue, and (b) purifying the crude residue to obtain a purified residue containing (±)-cis-2-dimethylaminomethyl-1-(3-methoxyphenyl)cyclohexanol.
    Type: Application
    Filed: March 26, 2014
    Publication date: February 11, 2016
    Inventors: Michel DE WAARD, Ahcène BOUMENDJEL, Germain TAIWE SOTOING
  • Patent number: 9089499
    Abstract: The invention relates to the use of para-coumaric acid or para-hydroxycinnamic acid derivatives in cosmetic or dermatological compositions, specifically to the use of at least one compound derived from para-coumaric acid having a general formula (I) below: in which, especially, Z represents an oxygen or an —NH— group; X and Y are identical and each represent a CH or CH2 group, as an active principle with depigmenting, free-radical-scavenging and/or antiinflammatory activity. The invention also relates to the use of the above compounds for cosmetic care or for the preparation of a pharmaceutical composition, especially for depigmenting an area of skin, having antiradical and/or antiinflammatory activity.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: July 28, 2015
    Assignees: Universite Joseph Fourier-Grenoble 1, BASF Beauty Care Solutions France S.A.S.
    Inventors: Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte, Eric Perrier
  • Publication number: 20130272983
    Abstract: The invention relates to the use of para-coumaric acid or para-hydroxycinnamic acid derivatives in cosmetic or dermatological compositions, specifically to the use of at least one compound derived from para-coumaric acid having a general formula (I) below: in which, especially, Z represents an oxygen or an —NH— group; X and Y are identical and each represent a CH or CH2 group, as an active principle with depigmenting, free-radical-scavenging and/or antiinflammatory activity. The invention also relates to the use of the above compounds for cosmetic care or for the preparation of a pharmaceutical composition, especially for depigmenting an area of skin, having antiradical and/or antiinflammatory activity.
    Type: Application
    Filed: June 10, 2013
    Publication date: October 17, 2013
    Inventors: Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte, Eric Perrier
  • Patent number: 8481593
    Abstract: The invention relates to the use of para-coumaric acid or para-hydroxycinnamic acid derivatives in cosmetic or dermatological compositions, specifically to the use of at least one compound derived from para-coumaric acid having a general formula (I) below: in which, especially, Z represents an oxygen or an —NH— group; X and Y are identical and each represent a CH or CH2 group, as an active principle with depigmenting, free-radical-scavenging and/or antiinflammatory activity. The invention also relates to the use of the above compounds for cosmetic care or for the preparation of a pharmaceutical composition, especially for depigmenting an area of skin, having antiradical and/or antiinflammatory activity.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: July 9, 2013
    Assignees: BASF Beauty Care Solutions S.A.S., Universite Joseph Fourier-Grenoble 1
    Inventors: Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte, Eric Perrier
  • Publication number: 20110237551
    Abstract: The invention relates to the use of para-coumaric acid or para-hydroxycinnamic acid derivatives in cosmetic or dermatological compositions, specifically to the use of at least one compound derived from para-coumaric acid having a general formula (I) below: in which, especially, Z represents an oxygen or an —NH— group; X and Y are identical and each represent a CH or CH2 group, as an active principle with depigmenting, free-radical-scavenging and/or antiinflammatory is activity. The invention also relates to the use of the above compounds for cosmetic care or for the preparation of a pharmaceutical composition, especially for depigmenting an area of skin, having antiradical and/or antiinflammatory activity.
    Type: Application
    Filed: June 3, 2011
    Publication date: September 29, 2011
    Applicants: BASF Beauty Care Solutions France S.A.S., Universite Joseph Fourier-Grenoble 1
    Inventors: Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte, Eric Perrier
  • Publication number: 20090182058
    Abstract: The present invention relates to novel chalcone derivatives of formula (I): wherein X, Y, Z, W, RI, R2, R3, R4 and R5 are as defined, said derivatives having antimitotic activity, as well as to pharmaceutical compositions containing such compounds and to their use for making drugs.
    Type: Application
    Filed: January 15, 2007
    Publication date: July 16, 2009
    Inventors: Ahcene Boumendjel, Charles Dumontet, Madeleine Blanc, Anne-Marie Mariotte
  • Publication number: 20070183996
    Abstract: The invention relates to the use of para-coumaric acid or para-hydroxycinnamic acid derivatives in cosmetic or dermatological compositions, specifically to the use of at least one compound derived from para-coumaric acid having a general formula (I) below: in which, especially, Z represents an oxygen or an —NH— group; X and Y are identical and each represent a CH or CH2 group, as an active principle with depigmenting, free-radical-scavenging and/or antiinflammatory activity. The invention also relates to the use of the above compounds for cosmetic care or for the preparation of a pharmaceutical composition, especially for depigmenting an area of skin, having antiradical and/or antiinflammatory activity.
    Type: Application
    Filed: November 8, 2006
    Publication date: August 9, 2007
    Inventors: Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte, Eric Perrier
  • Publication number: 20060228313
    Abstract: at least one aurone or a natural or synthetic derivative of aurone, or an analogue of aurone, in which the independent phenyl ring can be substituted by a heterocycle of pyrrole, imidazole, triazole, pyridine, furan, or thiophene type, is disclosed as a cosmetic agent, or as an active substance, for the manufacture either of a cosmetic composition, or of a pharmaceutical composition, notably a dermatological composition, having a melanogenesis-inhibiting activity or a depigmenting activity, or an anti-tyrosinase activity.
    Type: Application
    Filed: May 12, 2005
    Publication date: October 12, 2006
    Applicants: Coletica, Universite Joseph Fourier-Grenoble 1
    Inventors: Eric Perrier, Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte
  • Patent number: 6471973
    Abstract: The invention relates to a flavonoid ester. This flavonoid ester results from the reaction product of at least one flavonoid selected from the group consisting of a flavonoid with a ketone group in the 4-position, a salt, ester or ether of such a flavonoid, and a C-heteroside and/or O-heteroside derivative of such a flavonoid, with the proviso that this flavonoid contains at least one free alcohol group, with an organic monoacid having from 3 to 30 carbon atoms. These flavonoid esters constitute useful active principles for the manufacture of cosmetic, dermopharmaceutical, pharmaceutical, dietetic or agri-foodstuff compositions.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: October 29, 2002
    Assignee: Coletica
    Inventors: Eric Perrier, Anne-Marie Mariotte, Ahcène Boumendjel, Delphine Bresson-Rival
  • Publication number: 20010031735
    Abstract: The invention relates to a flavonoid ester.
    Type: Application
    Filed: April 10, 2001
    Publication date: October 18, 2001
    Applicant: COLETICA
    Inventors: Eric Perrier, Anne-Marie Mariotte, Ahcene Boumendjel, Delphine Bresson-Rival
  • Patent number: 6235294
    Abstract: The invention relates to a flavonoid ester. This flavonoid ester results from the reaction product of at least one flavonoid selected from the group consisting of a flavonoid with a ketone group in the 4-position, a salt, ester or ether of such a flavonoid, and a C-heteroside and/or O-heteroside derivative of such a flavonoid, with the proviso that this flavonoid contains at least one free alcohol group, with an organic monoacid having from 3 to 30 carbon atoms. These flavonoid esters constitute useful active principles for the manufacture of cosmetic, dermopharmaceutical, pharmaceutical, dietetic or agri-foodstuff compositions.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: May 22, 2001
    Assignee: Coletica
    Inventors: Eric Perrier, Anne-Marie Mariotte, Ahcéne Boumendjel, Delphine Bresson-Rival
  • Patent number: 5430169
    Abstract: The present invention provides a series of non-toxic compounds which function to inhibit the activity of S-1-P aldolase in respect to its cleavage of S-1-P. These inhibitors are described by the compounds of formula I ##STR1## wherein R is a radical containing 1 to 15 carbon atoms, a halogen, or hydrocarbon, R' is an organic radical or hydrogen, and R" is --NH.sub.3.sup.+ or --NH--NH .sup.+, with the proviso that, when R is CH.sub.3 (CH).sub.12 (CH.dbd.CH) and R' is hydrogen, R" is --NH--NH.sub.3.sup.+.A method for preparing such compounds, which may generally be described as 1-phosphate derivatives of compounds which include a 2-amino-1,3-alcohol radical is also disclosed.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: July 4, 1995
    Assignee: The United States of America represented by the Department of Health and Human Services
    Inventors: Ahcene Boumendjel, Stephen P. F. Miller