Patents by Inventor Michel Laubie

Michel Laubie 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).

  • Thiochroman compounds
    Patent number: 3960891
    Abstract: (3-amino-2-hydroxy propyloxy) thiochromans of the formula ##SPC1##Wherein A is hydrogen or halogen, R.sub.1 is hydrogen or lower alkyl, and R.sub.2 is lower alkyl or cyclo lower alkyl.These compounds possess cardiovascular properties and may be used as blockers of cardiac .beta. adrenergic receptors.
    Type: Grant
    Filed: March 31, 1971
    Date of Patent: June 1, 1976
    Assignee: Science-Union et Cie
    Inventors: Charles Malen, Michel Laubie
  • Piperazines derivatives
    Patent number: 3954765
    Abstract: Piperazine derivatives of the formula: ##SPC1##Wherein n is 0 or 1, X is oxygen or sulfur, R and R', which are the same or different, are hydrogen or lower alkyl and: ##SPC2##Is always bonded to the benzene ring.These compounds are used as medicine especially in the treatment of peripheral vascular disorders, Parkinson's disease, hypertension and pain.
    Type: Grant
    Filed: October 7, 1974
    Date of Patent: May 4, 1976
    Assignee: Science-Union et Cie
    Inventors: Gilbert Regnier, Roger Canevari, Michel Laubie, Jean-Claude Poignant
  • 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