Patents by Inventor Alfred Saarmets

Alfred Saarmets 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).

  • Derivatives of (1-hydroxy-2-piperidylalkyl-indol-2-ones, 2-quinolinones, 2-benzo(B)azapinones, benzimidazol-2-ones, and quinazolin-2-ones, their preparation and their application in therapeutics
    Patent number: 5034401
    Abstract: A compound, in the form of a pure optical isomer or a mixture thereof, of formula (I): ##STR1## in which: Z represents a group of formula --CH.sub.2 --, --C(CH.sub.3).sub.2 --, --CH.dbd.CH--, --(CH.sub.2).sub.2 --, --(CH.sub.2).sub.3 --, --NH-- or --N(CH.sub.3)CH.sub.2 --, in which the nitrogen is bonded to the carbonyl group;R1 represents hydrogen or a C.sub.1 -C.sub.4 alkyl group;R2 represents hydrogen or a methyl group; andR3 represents:a phenoxy group which is unsubstituted or substituted by a halogen or a methyl group,a naphthyloxy group,a phenylmethyl group substituted by a halogen or a methyl group,an unsubstituted phenylmethyl group when Z does not representa group of formula --CH.dbd.CH-- or --(CH.sub.2).sub.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: July 23, 1991
    Assignee: Synthelabo
    Inventors: Jonathan Frost, Patrick Lardenois, Jean Bertin, Alfred Saarmets, Corinne Rousselle
  • 1-1[(2-pyrimidinyl)amino-alkyl]piperidines, their preparation and their application in therapy
    Patent number: 4929621
    Abstract: A compound which is a pyrimidinylamino derivative of piperidine of formula (I) ##STR1## in which: X is a (CH.sub.2).sub.2, CH.dbd.CH or CH.sub.2 --CO group;Y is a CH.dbd.CH group or sulphur;n is 2, 3 or 4;R.sub.1 is hydrogen or a halogen;R.sub.2 is hydrogen or a (C.sub.1-4) alkyl group; andR.sub.3 is hydrogen or a hydroxy group;or a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: May 29, 1990
    Assignee: Synthelabo
    Inventors: Philippe Manoury, Alfred Saarmets
  • 1-((2-Pyrimidinyl)aminoalkyl)piperidines, their preparation and their application in therapy
    Patent number: 4891376
    Abstract: A compound which is a pyrimidinylamino derivative of piperidine of formula (I) ##STR1## in which: X is a (CH.sub.2).sub.2, CH.dbd.CH or CH.sub.2 --CO group;Y is a CH.dbd.CH gruop or sulphur;n is 2, 3 or 4;R.sub.1 is hydrogen or a halogen;R.sub.2 is hydrogen or a (C.sub.1-4) alkyl group; andR.sub.3 is hydrogen or a hydroxy group;or a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: September 8, 1988
    Date of Patent: January 2, 1990
    Assignee: Synthelabo
    Inventors: Philippe Manoury, Alfred Saarmets