Patents Assigned to Novapharme
  • Patent number: 5464860
    Abstract: The invention relates to a compound useful for treating epilepsy selected from the compounds of the general formula: ##STR1## in which R.sub.1 is C.sub.1 -C.sub.4 alkyl,R.sub.2 is C.sub.1 -C.sub.4 alkyl,R.sub.3 is selected from hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 hydroxyalkyl, andR.sub.4 is selected from hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.7 alkanoyl and C.sub.1 -C.sub.4 hydroxyalkyl.
    Type: Grant
    Filed: June 16, 1993
    Date of Patent: November 7, 1995
    Assignee: Novapharme
    Inventors: Francis Lepage, Bernard Hublot
  • Patent number: 5258397
    Abstract: The object of the invention is heterocyclic compounds of general formula (I) endowed with anticonvulsant activity: ##STR1## in which Y is selected from --O--, --S-- and ##STR2## R.sub.4 being H or optionally substituted alkyl, acyl or benzyl, Z is selected from the groups --CO--N(R.sub.6)--,--NH--CO--CH.dbd.CH-- and --N(R.sub.6)--CO, R.sub.6 being H or alkyl;R.sub.1 is C.sub.1 -C.sub.4 alkyl; R.sub.2 is C.sub.1 -C.sub.4 alkyl or halogen; R.sub.3 represents optionally substituted C.sub.1 -C.sub.4 alkyl, alkoxy or hydroxyalkyl, or C.sub.2 -C.sub.7 alkanoyl.
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: November 2, 1993
    Assignee: Novapharme
    Inventors: Francis Lepage, Bernard Hublot
  • Patent number: 5059614
    Abstract: The object of the invention are anticonvulsant heterocyclic compounds of general formula: ##STR1## in which R.sub.1 and R.sub.2 is each selected from C.sub.1 -C.sub.4 alkyl, phenyl, benzyl, trifluoromethyl or halogen, R.sub.3 is selected from hydrogen, hydroxy, C.sub.1 -C.sub.4 alkyl or alkoxy, R.sub.4, in position 3 or 5, is selected from hydrogen, trifluoromethyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, or C.sub.1 -C.sub.4 hydroxyalkyl,R.sub.5 is selected from hydrogen or C.sub.4 -C.sub.4 alkyl or R.sub.4 and R.sub.5 together form a tetramethylene group, Z at position 3 or 5 on the heterocycle is selected from:--N(R.sub.6)--CO--, --CO--N(R.sub.6)--, --N(R.sub.6)--CO--N(R.sub.6)----CH(R.sub.6)--NH--CO--, or --NH-CO--CH(R.sub.6),in which R.sub.6 is selected from hydrogen or C.sub.1 -C.sub.4 alkyl.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: October 22, 1991
    Assignee: Novapharme
    Inventors: Francis Lepage, Bernard Hublot
  • Patent number: 4745125
    Abstract: Antiulcer amino-benzimidazole compounds substituted on the nitrogen; these compounds correspond to the following general formula: ##STR1## in which the various substituents are defined hereinbelow.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: May 17, 1988
    Assignee: Novapharme
    Inventors: Jacques N. Astoin, Bernard Hublot, Francis Lepage