Patents by Inventor Alain Y. Platel

Alain Y. Platel 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: 4808582
    Abstract: Compounds of formula: ##STR1## wherein: Ar is an aromatic group; R and R.sub.1 are H or CH.sub.3 ; A represents a nitrogenized heterocyclic radical; B is OH or forms with the adjacent CO group, either an amido group, or a carbonyloxy group; R.sub.2 and R.sub.3 are H or alkyl; m=0 or 1; and n=0, 1, 2 or 3.These compounds are useful as drugs having stimulating, protecting and/or correcting activities of the cerebral functions.
    Type: Grant
    Filed: March 19, 1987
    Date of Patent: February 28, 1989
    Assignee: Delalande S.A.
    Inventors: Alain Y. Platel, Guy R. Bourgery, Patrick G. Guerret
  • Patent number: 4639452
    Abstract: New derivatives are provided corresponding to the formula: ##STR1## in which Ar represents an aromatic nucleus; and X represents: either the trans ##STR2## chain or the ##STR3## chain and A=CONHOH, COOEt, COOH or CONR.sub.2 R.sub.3, either the trans-CH.dbd.CH--CH.sub.2 -- chain or --CH.sub.2 --CH.sub.2 --CH.sub.2 chain and A=carboxamido, N-isopropylcarboxamido, pyrrolidinocarbonyl or piperidinocarbonyl.These derivatives and their salts are used as drug for their activity stimulating, protecting and/or correcting cerebral functions.
    Type: Grant
    Filed: February 25, 1983
    Date of Patent: January 27, 1987
    Assignee: Delalande S.A.
    Inventors: Alain Y. Platel, Guy R. Bourgery, Alain Lacour, deceased
  • Patent number: 4500531
    Abstract: A class of known (1-cinnamoyl or 1-phenylethylcarbonyl) piperazine derivatives have been found to be central nervous system stimulants effective to improve the mental alertness and to brighten the spirits of human beings.
    Type: Grant
    Filed: July 27, 1983
    Date of Patent: February 19, 1985
    Assignee: Delalande S.A.
    Inventors: Alain Y. Platel, Alain P. Lacour, Guy R. Bourgery