Patents by Inventor Christian Charles

Christian Charles 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).

  • Coumarin derivatives for the treatment of allergies
    Patent number: 3974289
    Abstract: Pharmaceutical compositions for the treatment of allergies are produced using coumarin derivatives as the active agent. Certain of these compounds and their salts are novel.
    Type: Grant
    Filed: April 15, 1974
    Date of Patent: August 10, 1976
    Assignee: Beecham Group Limited
    Inventors: Derek Richard Buckle, Harry Smith, Barrie Christian Charles Cantello
  • Anti-allergenic carbostyril derivatives
    Patent number: 3962445
    Abstract: A class of 4-hydroxy-3-nitroearbostyril derivatives are useful in the inhibition of certain types of antigen antibody reactions.
    Type: Grant
    Filed: January 29, 1975
    Date of Patent: June 8, 1976
    Assignee: Beecham Group Limited
    Inventors: Derek Richard Buckle, Barrie Christian Charles Cantello, Harry Smith