Patents by Inventor Bruno Pfeiffer

Bruno Pfeiffer 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).

  • Naphthylethylureas
    Patent number: 5389683
    Abstract: A compound selected from those of formula (I): ##STR1## in which the meanings of R, R.sub.1, R.sub.2 and X are as defined in the specification, andmedicinal products containing the same which are in treating or in preventing a disorder of the melatoninergic system.
    Type: Grant
    Filed: August 14, 1992
    Date of Patent: February 14, 1995
    Assignee: Adir et Compagnie
    Inventors: Daniel Lesieur, Said Yous, Patrick Depreux, Gerard Adam, Pierre Renard, Bruno Pfeiffer, Beatrice Guardiola-Lemaitre
  • Naphthylethylureas and naphthylethylthioureas
    Patent number: 5385944
    Abstract: A compound selected from those of formula (I): ##STR1## in which the meanings of R, R.sub.1, R.sub.2 and X are defined in the specification, andmedicinal products containing the same which are useful in treating or in preventing a disorder of the melatoninergic system.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: January 31, 1995
    Assignee: Adir et Compagnie
    Inventors: Daniel Lesieur, Said Yous, Patrick Depreux, Gerard Adam, Pierre Renard, Bruno Pfeiffer, Beatrice Guardiola-Lemaitre
  • New 1-(alkoxybenzyl)piperazine amide compounds
    Patent number: 5340809
    Abstract: A compound selected from those of formula (I): ##STR1## with R.sub.1, R.sub.2 and n as defined in the description, and medicinal products containing the same useful in treating or in preventing a disorder resulting from cellular damages following upon ischemia, hypoxia, or anoxia.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: August 23, 1994
    Assignee: ADIR et Compagnie
    Inventors: Michel Gaudry, Bruno Pfeiffer, Pierre Renard, Jean-Francois Renaud de la Faverie, Gerard Adam
  • Naphthalene amides and sulphonamides, processes for their preparation and pharmaceutical compositions containing them
    Patent number: 5332759
    Abstract: The invention relates to compounds of the general formula (I): ##STR1## wherein R.sub.3 represents a group ##STR2## R.sub.1, R.sub.2, R.sub.6, R.sub.7 being as defined in the description. Medicinal product useful in treating a disorder due to vasodilatation of the vascular system.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: July 26, 1994
    Assignee: Adir et Compagnie
    Inventors: Patrick Depreux, Daniel Lesieur, Habib Abdellaoui, Beatrice Guardiola, Gerard Adam, Pierre Renard, Bruno Pfeiffer