Patents by Inventor Marie-Helene Kannengiesser

Marie-Helene Kannengiesser 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: 4148919
    Abstract: 7-AMINO-6,7-DIHYDRO [5H] benzocycloheptenes of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, chlorine, bromine and iodine in 2- or 4- position of the ring when halogen and R is selected from the group consisting of hydrogen and phenyl alkyl of 7 to 10 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having antidepressive activity and a process for their preparation and novel intermediates.
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: April 10, 1979
    Assignee: Roussel Uclaf
    Inventors: Lucien Nedelec, Andre Pierdet, Claude Dumont, Marie-Helene Kannengiesser
  • Patent number: 4100278
    Abstract: Novel benzazepines of the formula ##STR1## wherein n is 0 or 1 and R and R.sub.1 are individually selected from the group consisting of hydrogen and methyl with the proviso that when R.sub.1 is methyl, R is also methyl and their non-toxic, pharmaceutically acceptable acid addition salts having antidepressive activity and novel intermediates and processes for the preparation of the said compounds.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: July 11, 1978
    Assignee: Roussel Uclaf
    Inventors: Lucien Nedelec, Daniel Frechet, Claude Dumont, Marie-Helene Kannengiesser
  • Patent number: 4091115
    Abstract: Novel 7-amino-benzocycloheptenes of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, chlorine, bromine and iodine in the 2- or 4-position when a halogen, Y and Z are hydrogen or together form a double bond, R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms and phenyl optionally substituted with fluorine, chlorine, methyl or methoxy, R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms and alkenyl of 2 to 5 carbon atoms and R.sub.2 is selected from the group consisting of alkyl of 1 to 5 carbon atoms and alkenyl of 2 to 5 carbon atoms and R.sub.1 and R.sub.
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: May 23, 1978
    Assignee: Roussel Uclaf
    Inventors: Lucien Nedelec, Andre Pierdet, Claude Dumont, Marie-Helene Kannengiesser