Patents by Inventor Jacques Froissant

Jacques Froissant 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: 7235554
    Abstract: The invention provides compounds of general formula (I) in which X represents a hydrogen or halogen atom; R1 represents a hydrogen atom or a (C1-C4)alkyl group; R2 and R3 each independently of one another represent a hydrogen atom or a (C1-C4)alkyl group, or else R2 and R3, together with the nitrogen atom bearing them, form a pyrrolidinyl, piperidinyl, morpholinyl or 4-(C1-C4)alkylpiperazinyl group; and Het represents a heteroaromatic group of pyridinyl, quinolinyl, isoquinolinyl, pyrimidinyl, pyrazinyl or pyridazinyl type which may carry one or more halogen atoms and/or one or more (C1-C4)alkyl and/or (C1-C4)alkoxy groups; in the form of bases, addition salts with acids, solvates or hydrates; the pharmaceutical compositions comprising them, processes for preparing them, and synthesis intermediates.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: June 26, 2007
    Assignee: Sanofi-Aventis
    Inventors: Jacques Froissant, Benoît Marabout, Frank Marguet, Frédéric Puech
  • Publication number: 20070021424
    Abstract: The invention relates to a compound of formula (I): Wherein m, n, X, Y, R1, R2, R3 and R4 are as defined herein. The invention also relates to the use of same in therapeutics.
    Type: Application
    Filed: July 11, 2006
    Publication date: January 25, 2007
    Applicant: SANOFI-AVENTIS
    Inventors: Ahmed ABOUABDELLAH, Antonio ALMARIO GARCIA, Jacques FROISSANT, Christian HOORNAERT
  • Publication number: 20060241116
    Abstract: A subject-matter of the invention is the compounds of general formula (I) in which X represents a hydrogen or halogen atom; R1 represents a hydrogen atom or a (C1-C4)alkyl group; R2 and R3 each represent, independently of one another, a hydrogen atom or a (C1-C4)alkyl group or else R2 and R3 form, with the nitrogen atom which carries them, a pyrrolidinyl, piperidinyl, morpholinyl or 4-alkylpiperazinyl group; and Het represents a heteroaromatic group of pyridinyl, 1-oxidopyridinyl, quinolinyl, isoquinolinyl, pyrimidinyl, pyrazinyl or pyridazinyl type, it being possible for the heteroaromatic group to carry one or more halogen atoms and/or one or more (C1-C4)alkyl or (C1-C4)alkoxy groups; in the form of bases, of addition salts with acids, of solvates or of hydrates, the pharmaceutical compositions comprising them, processes for their preparation and synthetic intermediates.
    Type: Application
    Filed: June 29, 2006
    Publication date: October 26, 2006
    Applicant: SANOFI-AVENTIS
    Inventors: Philippe BURNIER, Jacques FROISSANT, Benoit MARABOUT, Frank MARGUET, Frederic PUECH
  • Patent number: 7109194
    Abstract: The invention concerns compounds of general formula (I), wherein: X represents a hydrogen or halogen atom; R1 represents a hydrogen atom or a (C1–C4)alkyl group; R2 and R3, represent each, independently of each other, a hydrogen atom or a (C1–C4)alkyl group, or R2 and R3 form, with the atom which bears them, a pyrrolidinyl, piperidinyl, morpholinyl or 4-alkylpiperazinyl group; and Het represents a heteroaromatic group of pyridinyl, 1-oxidopyridinyl, quinolinyl, isoquinolinyl, pyrimidinyl, pyrazinyl, pyridazinyl type, the heteroaromatic group may represent one or several halogen atoms and/or one or several (C1–C4)alkyl, (C1–C4)alkoxyl groups; in the form of bases, addition salts to acids, solvates or hydrates.
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: September 19, 2006
    Assignee: Sanofi-Aventis
    Inventors: Philippe Burnier, Jacques Froissant, Benoît Marabout, Frank Marguet, Frédéric Puech
  • Publication number: 20050124615
    Abstract: The invention provides compounds of general formula (I) in which X represents a hydrogen or halogen atom; R1 represents a hydrogen atom or a (C1-C4)alkyl group; R2 and R3 each independently of one another represent a hydrogen atom or a (C1-C4)alkyl group, or else R2 and R3, together with the nitrogen atom bearing them, form a pyrrolidinyl, piperidinyl, morpholinyl or 4-(C1-C4)alkylpiperazinyl group; and Het represents a heteroaromatic group of pyridinyl, quinolinyl, isoquinolinyl, pyrimidinyl, pyrazinyl or pyridazinyl type which may carry one or more halogen atoms and/or one or more (C1-C4)alkyl and/or (C1-C4)alkoxy groups; in the form of bases, addition salts with acids, solvates or hydrates; the pharmaceutical compositions comprising them, processes for preparing them, and synthesis intermediates.
    Type: Application
    Filed: April 2, 2003
    Publication date: June 9, 2005
    Inventors: Jacques Froissant, Benoit Marabout, Frank Marguet, Frederic Puech
  • Publication number: 20050096321
    Abstract: The invention concerns compounds of general formula (I), wherein: X represents a hydrogen or halogen atom; R1 represents a hydrogen atom or a (C1-C4)alkyl group; R2 and R3, represent each, independently of each other, a hydrogen atom or a (C1-C4)alkyl group, or R2 and R3 form, with the atom which bears them, a pyrrolidinyl, piperidinyl, morpholinyl or 4-alkylpiperazinyl group; and Het represents a heteroaromatic group of pyridinyl, 1-oxidopyridinyl, quinolinyl, isoquinolinyl, pyrimidinyl, pyrazinyl, pyridazinyl type, the heteroaromatic group may represent one or several halogen atoms and/or one or several (C1-C4)alkyl, (C1-C4)alkoxyl groups; in the form of bases, addition salts to acids, solvates or hydrates. The invention also concerns pharmaceutical compositions containing same, methods for preparing same and synthesis intermediates.
    Type: Application
    Filed: November 20, 2002
    Publication date: May 5, 2005
    Inventors: Philippe Burnier, Jacques Froissant, Benoit Marabout, Frank Marguet, Frederic Puech
  • Patent number: 6451795
    Abstract: 4-Oxo-3,5-dihydro-4H-pyridazino[4,5-b]indole-1-carboxamide derivatives having affinity for the peripheral benzodiazepine receptors are useful for the prevention or treatment of peripheral neuropathies and for the treatment of central neurogenerative diseases.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: September 17, 2002
    Assignee: Sanofi-Synthelabo
    Inventors: Frank Marguet, Jacques Froissant, Régine Bartsch-Li, Benoît Marabout, Mireille Sevrin
  • Patent number: 6395729
    Abstract: Pyridazino[4,5-b]indole-1-acetamide derivatives for the prevention or treatment of diseases linked to the dysfunctioning of peripheral-type benzodiazepine receptors.
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: May 28, 2002
    Assignee: Sanofi-Synthelabo
    Inventors: Badia Ferzaz, Jésus Benavides, Frank Marguet, Jacques Froissant, Benoît Marabout, Yannick Evanno, Mireille Sevrin, Phikip Janiak
  • Patent number: 6262045
    Abstract: Compounds of general formula (I) in which X represents a hydrogen or halogen atom or a methyl, methoxy or phenylmethoxy group, Y represents a hydrogen atom, 1 or 2 halogen atoms or a hydroxyl, methoxy, nitro or methyl group, R1 represents a hydrogen atom or a (C1-C4)alkyl group, R2 and R3 each represent a hydrogen atom, a (C1-C4)alkyl group or a phenylmethyl group or else R2 and R3 form, with the nitrogen atom which carries them, an azetidinyl, pyrrolidinyl, 3-ethoxypyrrolidinyl, piperidinyl, morpholinyl, 4-methylpiperazinyl or 1,3-thiazolidinyl group. Application in therapeutics.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: July 17, 2001
    Assignee: Sanofi-Synthelabo
    Inventors: Yannick Evanno, Laurent Dubois, Mireille Sevrin, Frank Marguet, Jacques Froissant, Régine Bartsch, Catherine Gille
  • Patent number: 5665733
    Abstract: A compound of formula (I) ##STR1## in which X represents a hydrogen atom, a halogen atom, a trifluoromethyl group, a C.sub.1 -C.sub.3 alkyl group or a C.sub.1 -C.sub.3 alkoxy group in which case two such alkoxy groups X can be present,Y represents a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.3 alkyl group or a C.sub.1 -C.sub.3 alkoxy group,R.sub.1 represents C.sub.1 -C.sub.4 alkyl group, andR represents a hydroxyl group, a methoxy group, an ethoxy group or a group of formula NR.sub.2 R.sub.3 in which R.sub.2 and R.sub.3 each independently represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, or a pharmaceutically acceptable addition salt thereof, processes for their preparation and their therapeutic application.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: September 9, 1997
    Assignee: Synthelabo
    Inventors: Mireille Sevrin, Benoit Marabout, Jacques Froissant, Catherine Guinot
  • Patent number: 5614517
    Abstract: A compound of formula (I) ##STR1## wherein X is hydrogen, halogen, C.sub.1 -C.sub.3 alkyl, trifluoromethyl, or C.sub.1 -C.sub.3 alkoxy;Y is hydrogen, halogen, C.sub.1 -C.sub.3 alkyl, or C.sub.1 -C.sub.3 alkoxy;R is hydroxyl, methoxy, or amine; or a pharmaceutically acceptable acid addition salt thereof, useful for treating various neurological conditions.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: March 25, 1997
    Assignee: Synthelabo
    Inventors: Benoit Marabout, Mireille Sevrin, Jacques Froissant, Emmanuelle Dachary
  • Patent number: 5420130
    Abstract: Compounds corresponding to the general formula (I) ##STR1## in which n represents 0 or 1, R.sub.1 represents a methyl group, in which case R.sub.2 represents a phenoxy(C.sub.1 -C.sub.4)alkyl group (in which the phenoxy group is optionally substituted), or else R.sub.1 and R.sub.2 together form, and with the nitrogen atom which carries them, a 4-(phenoxymethyl)piperid-1-yl group (in which the phenoxy group is optionally substituted) or a 4-phenylpiperazin-1-yl group (in which the phenyl group is optionally substituted), R.sub.3 represents a hydrogen atom or a methyl group, R.sub.4 represents a hydrogen atom and R.sub.5 represents a hydrogen atom or a group of general formula -CH.sub.2 -CH.sub.2 -NH-R.sub.6, R.sub.6 being a hydrogen atom or a tert-butyloxycarbonyl, 4-carbamoylpyrimidin-2-yl or 5-carbamoylpyrazin-2-yl group, are useful in the treatment of diseases and complaints involving hyperactivity of the .alpha.-adrenergic system at the level of the lower urinary apparatus.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: May 30, 1995
    Assignee: Synthelabo
    Inventors: Pascal George, Benoit Marabout, Jacques Froissant
  • Patent number: 5330985
    Abstract: A compound which is a pyrimidine-4-carboxamide derivative of the general formula (I) ##STR1## in which n is 0 or 1, m is 0 or 1,R.sub.1 represents a methyl group whenR.sub.2 represents a phenoxy(C.sub.1 -C.sub.4)alkyl group (in which the phenoxy group optionally carries 1 or 2 substituents selected from halogen atoms and methoxy groups), orR.sub.1 and R.sub.2 form together with the nitrogen atom to which they are attached a 4-phenoxypiperidin-1-yl group (in which the phenoxy group optionally carries 1 or 2 substituents selected from halogen atoms and methoxy groups), a phenoxymethylpiperidin-1-yl group (in which the phenoxy group optionally carries 1 or 2 C.sub.1 -C.sub.4 alkyl groups) or a 4-phenylpiperazin-1-yl group (in which the phenyl group optionally carries 1 or 2 substituents selected from halogen atoms and methoxy groups), and R.sub.3 represents a hydrogen atom or only when n is 1 a hydroxyl group or a methoxy group, or is an addition salt thereof with an acid, is useful as an .alpha.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: July 19, 1994
    Assignee: Synthelabo
    Inventors: Pascal George, Benoit Marabout, Jacques Froissant, Jean Pierre Merly
  • Patent number: 5272157
    Abstract: Compounds of general formula (I) ##STR1## in which n is 1 or 2;R represents a linear or branched C.sub.1 -C.sub.3 -alkyl group; andX represents at least one substituent chosen from hydrogen, halogen, C.sub.1 -C.sub.3 -alkyl and C.sub.1 -C.sub.3 -alkoxy, in the form of a free base or an acid addition salt thereof, and their therapeutic application.
    Type: Grant
    Filed: November 17, 1992
    Date of Patent: December 21, 1993
    Assignee: Synthelabo
    Inventors: Pascal George, Jacques Froissant, Mireille Sevrin
  • Patent number: 5244901
    Abstract: The present invention provides a compound which is a 4-pyrimidinecarboxamide derivative of general formula (I) ##STR1## in which X represents one or more substituents independently chosen from fluorine, chlorine, methoxy and cyclopropyl,R.sub.1 represents a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group, andR.sub.2 represents a hydrogen atom or a methyl group, or a pharmaceutically acceptable acid addition salt thereof; their preparation and their application in therapy.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: September 14, 1993
    Assignee: Synthelabo
    Inventors: Pascal George, Jacques Froissant, Arlette Tixidre
  • Patent number: 5244894
    Abstract: Compounds corresponding to the general formula (I) ##STR1## in which n=2 or 3, X=H, F, Cl or OCH.sub.3, R=H or CH.sub.3, R.sub.1 =H or CH.sub.3, R.sub.2 =alkyl, hydroxyalkyl, (hydroxy)(methoxy)alkyl, dimethoxyalkyl, 2-(aminosulphonyl)ethyl, 2-(methylsulphonyl)ethyl, 2-(methylsulphonylamino)ethyl, aminocarbonylmethyl which is optionally substituted by nitrogen, phenylethyl which is optionally substituted, pyrimidinylaminoalkyl or arylcaronylaminoalkyl, or else R.sub.1 and R.sub.2 form, with the nitrogen which carries them, a piperidine, morpholine, thiomorpholine or piperazine ring, optionally substituted by nitrogen. Use in therapeutics.
    Type: Grant
    Filed: June 26, 1992
    Date of Patent: September 14, 1993
    Assignee: Synthelabo
    Inventors: Pascal George, Philippe Manoury, Benoit Marabout, Jacques Froissant, Jean-Pierre Merly
  • Patent number: 5179108
    Abstract: Compounds of general formula (I) ##STR1## in which n is 1 or 2;R represents a linear or branched C.sub.1 -C.sub.3 -alkyl group; andX represents at least one substituent chosen from hydrogen, halogen, C.sub.1 -C.sub.3 -alkyl and C.sub.1 -C.sub.3 -alkoxy, in the form of a free base or an acid addition salt thereof, and their therapeutic application.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: January 12, 1993
    Assignee: Synthelabo
    Inventors: Pascal George, Jacques Froissant, Mireille Sevrin
  • Patent number: 5164397
    Abstract: A compound of formula (I) ##STR1## in which n denotes 2, 3, 4, or 5,p denotes 0 or 1,m denotes 0, 1, 2, 3, 4, or 5, andR.sub.1 denotes a hydrogen atom or a methyl group,each X, which may be identical or different to any other X if m is greater than 1, denotes fluorine, chlorine, methoxy, isopropyl or cyclopropyl,in the form of a free base or an acid addition salt.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: November 17, 1992
    Assignee: Synthelabo
    Inventors: Pascal George, Philippe Manoury, Jacques Froissant, Jean-Pierre Merly
  • Patent number: 4990506
    Abstract: A compound which is a 3-(acylaminomethyl)imidazo[1,2-a]pyridine derivative of formula (I) ##STR1## in which R.sub.1 denotes hydrogen; linear or branched C.sub.1 -C.sub.4 alkyl; or benzyl;R.sub.2 denotes linear or branched C.sub.1 -C.sub.6 alkyl; cyclohexyl; trichloromethyl; 1-propenyl; allyl; phenyl; 4-chlorophenyl; or benzyl:or R.sub.1 and R.sub.2 together denote a C.sub.3 -C.sub.5 aliphatic chain:X denotes halogen; C.sub.1 -C.sub.3 alkyl; methylthio; trifluoromethyl; optionally esterified carboxy of formula --COOR in which R denotes hydrogen or C.sub.1 -C.sub.6 alkyl; cyano; optionally mono- or dialkylated aminocarbonyl of formula --CONR.sub.3 R.sub.4 in which R.sub.3 and R.sub.4 independently denote hydrogen or C.sub.1 -C.sub.4 alkyl or together denote a chain of formula --(CH.sub.2).sub.2 --Z--(CH.sub.2).sub.2 -- in which Z denotes a direct bond, oxygen, sulphur, or a divalent group of formula --CH.sub.2 --, --NH-- or --N(C.sub.1 -C.sub.4 alkyl)--; alkylamino of formula NHR.sub.5 in which R.sub.
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: February 5, 1991
    Assignee: Synthelabo
    Inventors: Pascal George, Claudie Giron, Jacques Froissant
  • Patent number: 4925850
    Abstract: A compound of formula (I): ##STR1## in which: X is hydrogen or a methyl or methoxy group;Y is a halogen or a methyl or methoxy group; andR is a group of formula --Z--R' in which:Z is a --CH.sub.2 -- group, andR' is a phenyl group unsubstituted or substituted by one, two or three substituents selected from halogen atoms and trifluoromethyl, linear or branched (C.sub.1 -C.sub.3) alkyl and linear or branched (C.sub.1 -C.sub.3) alkoxy groups;or a pharmacologically acceptable acid addition salt thereof.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: May 15, 1990
    Assignee: Synthelabo
    Inventors: Pascal George, Mireille Sevrin, Christian Maloizel, Arlette Tixidre, Jacques Froissant