Patents by Inventor Claudine Grand' Henry

Claudine Grand' Henry 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).

  • Process for the preparatin of .beta.-lactam compounds
    Patent number: 5750684
    Abstract: The present invention provides a process for the substitution of an acylamino .beta.-lactam compound at the carbon atom carrying the acylamino group, which process comprises reacting the .beta.-lactam compound with an halogenating agent and a nucleophilic reagent; characterized in that the acylamino group has an acidic group on the carbon atom adjacent the carbonyl group.In particular the process of this invention comprises reacting a .beta.-lactam of partial structure (I): ##STR1## where X represents an acidic group; with an halogenating agent and a nucleophilic reagent.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: May 12, 1998
    Assignee: Beecham Group plc.
    Inventors: Herve Geerlandt, Claudine Grand' Henry