Patents by Inventor Ralph Floyd Hall

Ralph Floyd Hall 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: 5912270
    Abstract: This invention relates to the novel pharmaceutical compositions of Formulas (I) and (II) each of which comprises a compound of Formula (I) or (II) and a pharmaceutically acceptable diluent or carrier. This invention also relates to a method of treating or reducing inflammation in a mammal in need thereof, which comprises administering to said mammal an effective amount of a compound or composition of Formula (I) or (II).
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: June 15, 1999
    Assignees: SmithKline Beecham Corporation, The Johns Hopkins University
    Inventors: James Scott Dixon, Ralph Floyd Hall, Lisa Ann Marshall, Floyd H. Chilton, III, Ruth Judik Mayer, James David Winkler
  • Patent number: 4122086
    Abstract: A new bicyclic .beta.-lactam containing the novel 7-oxo-1-aza-3-thiabicyclo[3.2.0]heptane nucleus (isopenicillin) is disclosed. The compounds have antibacterial activity against gram positive and gram negative organisms. Intermediates useful for the preparation of these active products are also disclosed.
    Type: Grant
    Filed: July 26, 1977
    Date of Patent: October 24, 1978
    Assignee: SmithKline Corporation
    Inventors: Ralph Floyd Hall, William Francis Huffman