Patents by Inventor Laurent Meijer

Laurent Meijer 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: 20100331327
    Abstract: The invention relates to new 3?-, 7-substituted-indirubins of formula (I) wherein R represents N—OH, N—O-alkyl or N—O—CO-alkyl, NO—(Ra)n1-Het, N—O—(Y)n1—NRaRb, N—O—CO—N(RbRc), radical with Het representing an aliphatic nitrogeneous heterocycle, Y being an optionally substituted —CH2— radical, n1 being 1 to 3, and X is an halogen atom selected in the group comprising F, Cl, Br, I, and Z is H or CH3 and the salts thereof.
    Type: Application
    Filed: December 21, 2006
    Publication date: December 30, 2010
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE PIERRE ET MARIE CURIE, UNIVERSITE DE RENNES I, UNIVERSITY OF LLEIDA, UNIVERSITE D'ATHENES
    Inventors: Laurent Meijer, Karima Bettayeb, Alexios-Le-Andros Skaltsounis, Prokopios Maglatis, Jacint Boix, Judit Ribas
  • Publication number: 20100311768
    Abstract: The invention relates to the use of purine derivatives in the manufacture of a medicament for treating pathological conditions in which an imbalance between cell division and apoptosis is involved, and more particularly in which excessive apoptosis is responsible for the pathological condition. According to the invention, a purine derivative of formula I is used. The invention finds use in the pharmaceutical field.
    Type: Application
    Filed: September 12, 2008
    Publication date: December 9, 2010
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1, UNIVERSITE PARIS DESCARTES, UNIVERSITE DE BRETAGNE OCCIDENTALE, CENTRE HOSPITALIER UNIVERSITAIRE DE BREST
    Inventors: Laurent Meijer, Karima Bettayeb, Herve Galons, Nassima Oumata, Christian Berthou, Karine Lester
  • Publication number: 20100285124
    Abstract: The invention relates to kinase inhibitors of the formula (I) in which —R1 to R4=H; ether or polyether, amino; NO2; NH— carbamate; NH—CO—R, with R such as defined above; N3 and derivatives thereof of the 1,2,3-triazole type; —R5=—OH; halogen; —OR with R such as defined above; OH-carbamate; OH-carbonate; NH2, NH-carbamate; NH—CO—R, with R such as defined above; N3 and derivatives thereof of the 1,2,3-triazole type; N(R9, R10); —R5?=H or a C1-C12 alkyl, —R6=H; R; (R or R?)3—Si, with R such as defined above; optionally substituted aryl, heteroaryl; halogen (iodine); alkynyl; —R7 and R8=H, C1-C12 alkyl; —R9 and R10=H, R (or R?) such as defined above. These compounds can be used as kinase inhibitors in particular for treating cancer.
    Type: Application
    Filed: January 19, 2009
    Publication date: November 11, 2010
    Inventors: Philippe Olivier Belmont, Laurent Meijer, Philip Cohen, Amaury Patin, Johann Bosson, Peter Gregory Goekjian
  • Publication number: 20100280065
    Abstract: The invention relates to trisubstituted or tetrasubstituted imidazo[4,5b]pyridines, to their uses as well as to a process for manufacturing them. The compounds of the invention are imidazo[4,5b]pyridines. The first general synthesis of 3,5,7 imidazo[4,5b]pyridines is disclosed in the description. The invention founds application, in particular, in the pharmaceutical field.
    Type: Application
    Filed: February 19, 2010
    Publication date: November 4, 2010
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES 1, UNIVERSITE PARIS DESCARTES
    Inventors: Laurent MEIJER, Karima BETTAYEB, Herve GALONS, Luc DEMANGE, Nassima OUMATA
  • Publication number: 20100273802
    Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives, particularly 2(1-R hydroxymethylpropylamino)-6-benzylamino-9-isopropyl purine, having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.
    Type: Application
    Filed: December 23, 2009
    Publication date: October 28, 2010
    Inventors: Laurent MEIJER, Emile BISAGNI, Michel LEGRAVEREND, Miroslav STRNAD
  • Publication number: 20100216855
    Abstract: Imidazolone derivatives, as medicaments, of formula wherein: R1?H, C1 to C5 alkyl, aryl or a 5- or 6-membered heterocyclic group; Ar1=optionally substituted aryl or an aromatic heterocycle; R?R2—S—, R3—HN—, R4COHN or Ar2, with R2=a C1-C5 alkyl, vinyl or vinyl(C1-C5)alkyl, nitrile or nitrile(C1-C5)alkyl, aryl or benzyl radical, which are optionally substituted; R3=the meanings given above and H; Ar2=substituted or unsubstituted aryl.
    Type: Application
    Filed: August 1, 2008
    Publication date: August 26, 2010
    Inventors: Francois Carreaux, Jean-Pierre Bazureau, Steven Renault, Laurent Meijer, Olivier Lozach
  • Publication number: 20100184790
    Abstract: The invention relates to pyrrolo[2,3-b]pyridine compounds and azaindole compounds used for the synthesis thereof. The invention also relates to methods for the production thereof and the uses thereof. Said novel pyrrolo[2,3-b]pyridine compounds according to the invention have great antiproliferative, apoptotic, and neuroprotective activities. The invention particularly applies to the pharmaceutical field.
    Type: Application
    Filed: February 14, 2008
    Publication date: July 22, 2010
    Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, UNIVERSITE PIERRE ET MARIE CURIE (PARIS 6)
    Inventors: Laurent Meijer, Benoit Joseph, Francois Liger, Bernard Marquet
  • Publication number: 20100008927
    Abstract: The present invention relates to the use of 6-(benzyl-amino)-2(S)-[[1-(hydroxymethyl) propyl]amino]-9-isopropylpurine) or at least one of its pharmaceutical acceptable salts for manufacturing a medication intended for the prevention and/or treatment of neurological diseases, in particular associated with neurological lesions.
    Type: Application
    Filed: March 30, 2007
    Publication date: January 14, 2010
    Applicant: NEUROKIN INMED
    Inventors: Serge Timsit, Bénédicte Menn, Laurent Meijer
  • Patent number: 7605153
    Abstract: The invention relates to paullone derivatives for the production of medicaments for the treatment of mucoviscidosis and diseases related to protein addressing errors in cells, said derivatives being of general formula (1): wherein X?C?O, C—S—CH3, C—S, —C—NHOH, Z—C or N, Y— with the adjacent ring, a phenyl or thienyl group, the ring(s) of said derivatives being optionally substituted with one or more halogen atoms, hydroxy, alkylenehydroxy, alkynealkylenehydroxy, alkynehydroxycyclohexyl, alkyl, alkoxy, alkylenealkoxy, or alkylenecyano groups where the alkylene group is either saturated or unsaturated, the groups having a straight or branched chain with C1 to C18, said chain being optionally substituted with one or more hydroxy or amino groups, or one or more trifluoromethyl, —COM, —COOM, or —CH2COOM groups (where M=H, C1 to C18 straight or branched chain alkyl, optionally substituted with one or more hydroxy and/or amino groups) nitroso, or cyano, R5?H, or C1 to C5 alkyl and R12?H, or —C—CO2—(CH3)3 and the phy
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: October 20, 2009
    Assignees: Centre National de la Recherche Scientifique - CNRS, Universitè{grave over ( )} de Poitiers
    Inventors: Frédéric Becq, Laurent Meijer, Conrad Kunick
  • Publication number: 20090111177
    Abstract: The present invention relates to methods for maintaining the undifferentiated state of embryonic stem cells without the use of a feeder layer by activating the Wnt signal transduction pathway or by inhibiting glycogen synthase kinase-3 activity by contacting the cell with, inter alia, 6-bromoindirubin-3?-oxime. The present invention also relates to embryonic stem cell lines and cells derived therefrom that have been isolated and cultured in the absence of a feeder layer.
    Type: Application
    Filed: March 12, 2008
    Publication date: April 30, 2009
    Applicant: THE ROCKEFELLER UNIVERSITY
    Inventors: Ali Brivanlou, Noboru Sato, Laurent Meijer
  • Publication number: 20090048260
    Abstract: The invention relates to the use of pyrrolopyrazine derivatives for the treatment of mucoviscidosis and diseases related to protein addressing errors in cells, said derivatives being of formula (I): where R2 and R3 independently=H, C1-C6 straight or branched chain optionally-substituted alkyl, R6=an aromatic ring Ar or cycloalkyl, optionally substituted, said cycloalkyl optionally substituted by an aryl group which may equally be substituted, R7=H, C1-C6 alkyl, (alk.)n-Hal, CH2—CH?CH2, CH2-cycloalkyl, CH2—Ar and Z=H or CH3.
    Type: Application
    Filed: October 14, 2005
    Publication date: February 19, 2009
    Inventors: Frederic Becq, Laurent Meijer, Yvette Mettey
  • Publication number: 20090030019
    Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives, particularly 2(1-R hydroxymethylpropylamino)-6-benzylamino-9-isopropyl purine, having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.
    Type: Application
    Filed: May 30, 2007
    Publication date: January 29, 2009
    Inventors: Laurent Meijer, Emile Bisagni, Michel Legraverend, Miroslav Strnad
  • Publication number: 20080161312
    Abstract: The invention relates to pyrrolo[2,3b]-pyrazine derivatives having the general Formula (I) wherein R2 and R3 are identical or different and represent H, C1-C6 alkyl, said alkyl being a straight or branched-chain alkyl, which can be substituted, R6 is an optionally substituted aromatic cycle Ar or a cycloalkyl, said cycloalkyl being optionally substituted by an aryl group which can also be substituted, R7 is H, C1-C6 alkyl, (alk.)n-hal., CH2—CH?CH2, CH2-cycloalkyl, CH2—Ar, with “alk.” being a C1-C6 alkylene group, n being 1-6, Z is H or CH3. Application as active principle of pharmaceutical compositions, particularly for treating or preventing neurodegenerative disorders and proliferative disorders.
    Type: Application
    Filed: August 8, 2003
    Publication date: July 3, 2008
    Applicant: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.)
    Inventors: Laurent Meijer, Jean-Michel Vierfond, Yvette Mettey
  • Publication number: 20080076756
    Abstract: The invention relates to paullone derivaties for the production of medicaments for the treatment of mucoviscidosis and diseases related to protein addressing errors in cells, said derivaties being of general formula (1): wherein X?C?O, C—S—CH3, C—S,—C—NHOH, Z?C or N, Y?with the adjacent ring, a phenyl or thiazolyl group, the ring(s) of said derivaties being optionally substituted with one or more halogen atoms, hydroxy, alkylenehydroxy, alkynealkylenehydroxy, alkynehydroxycyclohexyl, alkyl, alkoxy, alkylenealkoxy, or alkylenecyano groups where the alkylene group is either saturated or unsaturated, the groups having a straight or branched chain with C1 to C18, said chain being optionally substituted with one or more hydroxy or amino groups, or one or more trifluoromethyl, —COM, —COOM, or —CH2COOM groups (where M?H, C1 to C18 straight or branched chain alkyl, optionally substituted with one or more hydroxy and/or amino groups) nitroso, or cyano, R5?H, or C1 to C5 alkyl and R12?H, or —C—CO2—(CH3)3 and the physio
    Type: Application
    Filed: April 12, 2007
    Publication date: March 27, 2008
    Applicants: Centre National de la Recherche Scientifique (CNRS), Universite de Poitiers
    Inventors: Frederic Becq, Laurent Meijer, Conrad Kunick
  • Publication number: 20070276025
    Abstract: Compounds and compositions including 6-bromo-indirubin, 5-amino-indirubin and N-methyl-indirubins and related indirubin derivatives are provided that are useful as selective modulators of glycogen synthase kinase-3, cyclin-dependent protein kinases or aryl hydrocarbon receptors. Methods of inhibiting or modulating cell growth or cell cycling are provided using the compounds of the invention. In other aspects, compounds and methods for the treatment of protozoan-mediated diseases, Alzheimer's disease and diabetes are provided.
    Type: Application
    Filed: October 28, 2004
    Publication date: November 29, 2007
    Inventors: Laurent Meijer, Paul Greengard, Marie Knockaert, Alexios-Leandros Skaltounis
  • Publication number: 20070275986
    Abstract: The invention relates to the use of purine derivatives for the production of medicaments for the treatment of mucoviscidosis and diseases related to protein addressing errors in cells, said derivatives being of formula (I): where R2, R6 and R9, independently=halogen, a R—NH—, R—NH—NH—, NH2—R?—NH or R—NH—R?—NH— group, where R=straight or branched chain saturated or unsaturated alkyl, aryl, cycloalkyl, or heterocyclyl group, R?=straight or branched chain, saturated or unsaturated alkylene, arylene or cycloalkylene, R and R? each include 1 to 8 carbon atoms optionally substituted with one or more —OH, halogen, amino or alkyl groups, R2 furthermore may be a heterocycle optionally with a straight or branched chain saturated or unsaturated alkyl, aryl or cycloaryl or a heterocycle optionally substituted by one or more —OH, halogen, amino or alkyl groups, R9 furthermore may be a straight or branched chain saturated or unsaturated alkyl, aryl or cycloalkyl and R2 and R9 furthermore may be hydrogen with the exception
    Type: Application
    Filed: April 12, 2007
    Publication date: November 29, 2007
    Applicants: Centre National de la Recherche Scientifique (CNRS), Universite de Poitiers
    Inventors: Frederic Becq, Laurent Meijer
  • Patent number: 7232814
    Abstract: The invention concerns the use for producing of GSK-3? inhibiting medicines from paullone derivatives. The invention is useful for treating pathologies involving GSK-3? and CDK5.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: June 19, 2007
    Assignees: Centre National de la Recherche Scientifique (C.N.R.S.)
    Inventors: Laurent Meijer, Conrad Kunick
  • Patent number: 7098204
    Abstract: The invention relates to the use of hymenialdisine or derivatives thereof of formula (I) in which R1 and R2, identical or different, represent H or Br, or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for use in inhibiting acceptable salt thereof, in the manufacture of a medicament for use in inhibiting cycline dependent kineases, GSK-3? and casein kinase 1. Application for preventing and treating neurodegenerative disorders, diabetes, inflammatory pathologies and cancers.
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: August 29, 2006
    Assignee: C.N.R.S.
    Inventor: Laurent Meijer
  • Publication number: 20060148829
    Abstract: Use of at least one kinase inhibitor for making drugs for inducing differentiation of supernumerary hair cells and Deiters' cells in the developing organ of Corti.
    Type: Application
    Filed: December 17, 2003
    Publication date: July 6, 2006
    Inventors: Laurent Meijer, Marie Knockaert, Brigitte Malgrange
  • Publication number: 20060030042
    Abstract: The present invention relates to methods for maintaining the undifferentiated state of embryonic stem cells without the use of a feeder layer by activating the Wnt signal transduction pathway or by inhibiting glycogen synthase kinase-3 activity by contacting the cell with, inter alia, 6-bromoindirubin-3?-oxime. The present invention also relates to embryonic stem cell lines and cells derived therefrom that have been isolated and cultured in the absence of a feeder layer.
    Type: Application
    Filed: December 20, 2004
    Publication date: February 9, 2006
    Inventors: Ali Brivanlou, Noboru Sato, Laurent Meijer