Patents by Inventor Guy Fabre

Guy Fabre 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).

  • Substituted 3-cyclobutene-1,2-dione intermediates
    Patent number: 4927970
    Abstract: The present invention relates to novel intermediates of the formula ##STR1## wherein R is lower alkyl or cyclohexyl, and X is hydroxy or a conventional leaving group, and the use thereof in a process for the preparation of certain histamine H.sub.2 -antagonists.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: May 22, 1990
    Assignee: Bristol-Myers Company
    Inventors: James L. Douglas, Guy Fabre, Claude Demosthene