Patents by Inventor Don Pierre R. L. Giudicelli

Don Pierre R. L. Giudicelli 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).

  • Phenol ethers
    Patent number: 4252984
    Abstract: The invention provides phenol ethers of the formula: ##STR1## wherein R is branched C.sub.3-4 alkyl, C.sub.3-4 cycloalkyl, branched cyano(C.sub.3-4 alkyl), phenyl(C.sub.2-3 alkyl), halophenyl(C.sub.2-3 alkyl), (C.sub.1-4 alkoxy)phenyl(C.sub.2-4 alkyl), or (C.sub.1-4 acyl)amino(C.sub.1-4 alkyl),alk is C.sub.1-4 alkyl substituted by a 3 to 6 membered cycloalkyl group,X is --O--, --S-- or --SO.sub.2 --; andR.sub.1 is --C.sub.1-4 alkyl- or --C.sub.1-4 alkoxy-,in their racemic and optically active forms, and their addition salts with pharmaceutically acceptable acids. These compounds are useful in therapy as .beta.-adrenergic blocking agents. Intermediates are also provided.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: February 24, 1981
    Assignee: Synthelabo
    Inventors: Philippe M. J. Manoury, Icilio A. G. Cavero, Henry Najer, Don Pierre R. L. Giudicelli
  • Naphthyridine derivatives
    Patent number: 4190657
    Abstract: The present invention relates to new indolo [3,2,1-de]-[1,5]naphthyridine derivatives and their addition salts with pharmaceutically acceptable acids, the preparation of such derivatives and salts and medicaments in which they are present as active principle.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: February 26, 1980
    Assignee: Synthelabo
    Inventors: Gabor I. Koletar, Henry Najer, Jean P. G. LeFevre, Regis Dupont, Don Pierre R. L. Giudicelli, Claude C. H. Morel