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).
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Patent number: 11440932Abstract: 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: GrantFiled: December 27, 2017Date of Patent: September 13, 2022Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, UNIVERSITE GRENOBLE ALPESInventors: Pierre Falson, Julien Dauvergne, Ahcène Boumendjel, Marine Peuchmaur, Kim Anh Nguyen, Sandrine Magnard
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Publication number: 20220267289Abstract: 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: ApplicationFiled: June 1, 2020Publication date: August 25, 2022Applicants: UNIVERSITE GRENOBLE ALPES, CNRS - CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1Inventors: Ahcène BOUMENDJEL, Pierre FALSON, Alexis MORENO, Basile PERES, Emile ROUSSEL
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Publication number: 20210130385Abstract: 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: ApplicationFiled: December 27, 2017Publication date: May 6, 2021Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, UNIVERSITE GRENOBLE ALPESInventors: Pierre FALSON, Julien DAUVERGNE, Ahcène BOUMENDJEL, Marine PEUCHMAUR, Kim Anh NGUYEN, Sandrine MAGNARD
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Patent number: 9896415Abstract: 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: GrantFiled: April 4, 2014Date of Patent: February 20, 2018Assignees: UNIVERSITE CLAUDE BERNARD LYON I, HOSPICES CIVILS DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Charles Dumontet, Ahcene Boumendjel, Guillaume Monneret
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Publication number: 20160052881Abstract: 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: ApplicationFiled: April 4, 2014Publication date: February 25, 2016Inventors: Charles DUMONTET, Ahcene BOUMENDJEL, Guillaume MONNERET
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Publication number: 20160039742Abstract: 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: ApplicationFiled: March 26, 2014Publication date: February 11, 2016Inventors: Michel DE WAARD, Ahcène BOUMENDJEL, Germain TAIWE SOTOING
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Patent number: 9089499Abstract: 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: GrantFiled: June 10, 2013Date of Patent: July 28, 2015Assignees: 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
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Publication number: 20130272983Abstract: 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: ApplicationFiled: June 10, 2013Publication date: October 17, 2013Inventors: Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte, Eric Perrier
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Patent number: 8481593Abstract: 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: GrantFiled: June 3, 2011Date of Patent: July 9, 2013Assignees: BASF Beauty Care Solutions S.A.S., Universite Joseph Fourier-Grenoble 1Inventors: Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte, Eric Perrier
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Publication number: 20110237551Abstract: 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: ApplicationFiled: June 3, 2011Publication date: September 29, 2011Applicants: BASF Beauty Care Solutions France S.A.S., Universite Joseph Fourier-Grenoble 1Inventors: Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte, Eric Perrier
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Publication number: 20090182058Abstract: 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: ApplicationFiled: January 15, 2007Publication date: July 16, 2009Inventors: Ahcene Boumendjel, Charles Dumontet, Madeleine Blanc, Anne-Marie Mariotte
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Publication number: 20070183996Abstract: 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: ApplicationFiled: November 8, 2006Publication date: August 9, 2007Inventors: Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte, Eric Perrier
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Publication number: 20060228313Abstract: 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: ApplicationFiled: May 12, 2005Publication date: October 12, 2006Applicants: Coletica, Universite Joseph Fourier-Grenoble 1Inventors: Eric Perrier, Sabrina Okombi, Delphine Rival, Ahcene Boumendjel, Anne-Marie Mariotte
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Patent number: 6471973Abstract: 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: GrantFiled: April 10, 2001Date of Patent: October 29, 2002Assignee: ColeticaInventors: Eric Perrier, Anne-Marie Mariotte, Ahcène Boumendjel, Delphine Bresson-Rival
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Publication number: 20010031735Abstract: The invention relates to a flavonoid ester.Type: ApplicationFiled: April 10, 2001Publication date: October 18, 2001Applicant: COLETICAInventors: Eric Perrier, Anne-Marie Mariotte, Ahcene Boumendjel, Delphine Bresson-Rival
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Patent number: 6235294Abstract: 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: GrantFiled: July 10, 1998Date of Patent: May 22, 2001Assignee: ColeticaInventors: Eric Perrier, Anne-Marie Mariotte, Ahcéne Boumendjel, Delphine Bresson-Rival
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Patent number: 5430169Abstract: 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: GrantFiled: February 14, 1994Date of Patent: July 4, 1995Assignee: The United States of America represented by the Department of Health and Human ServicesInventors: Ahcene Boumendjel, Stephen P. F. Miller