Patents by Inventor Jean-Claude Poignantw

Jean-Claude Poignantw 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).

  • N-Coumaranyl and chromanyl -methyl-or sulfur analogs thereof-N'- thiazolyl piperazines
    Patent number: 3944551
    Abstract: Disubstituted piperazines of the formula: ##SPC1##Wherein:n is 1 or 2;X is oxygen or sulfur;R is hydrogen or lower alkyl;Het is pyridyl, pyrimidinyl, pyridazinyl, pyrazinyl, quinolyl, quinazolyl, thiazolyl or benzothiazolyl, each optionally substituted by one or more lower alkyl, lower alkoxy, phenyl, amino, mono or di-lower-alkylamino, or hydroxy, and, ##SPC2##Is always bonded to the benzene ring.These compounds are used as medicines especially in the treatment of peripheral vascular disorders, Parkinson's disease, hypertension and as antipregnancy drugs.
    Type: Grant
    Filed: March 25, 1974
    Date of Patent: March 16, 1976
    Assignee: Science-Union et Cie
    Inventors: Gilbert Regnier, Roger Canevari, Michel Laubie, Jean-Claude Poignantw