Patents by Inventor C. Gregory Sowell

C. Gregory Sowell 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: 6113918
    Abstract: Aminoalkyl glucosamine phosphate compounds that are adjuvants and immunoeffectors are described and claimed. The compounds have a 2-deoxy-2-amino glucose in glycosidic linkage with an aminoalkyl (aglycon) group. Compounds are phosphorylated at the 4 or 6 carbon on the glucosamine ring and comprise three 3-alkanoyloxyalkanoyl residues. The compounds augment antibody production in immunized animals as well as stimulate cytokine production and activate macrophages. Methods for using the compounds as adjuvants and immunoeffectors are also disclosed.
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: September 5, 2000
    Assignee: Ribi ImmunoChem Research, Inc.
    Inventors: David A. Johnson, C. Gregory Sowell
  • Patent number: 6013640
    Abstract: The invention concerns a novel phosphoglycolipid compound. The compound of the subject invention is 2-Deoxy-6-O-[2-deoxy-4-O-phosphono-3-O-[(R)-3-tetradecanoyloxytetradecanoy l]-2-[(R)-3-octadecanoyloxytetradecanoylamino]-.beta.-D-glucopyranosyl]-2-[ (R)-3-hexadecanoyloxytetradecanoylamino]-D-glucopyranose and pharmaceutically acceptable salts thereof. The compound is not immunoreactive, not pyrogenic, not toxic but is active in ameliorating tissue damage due to ischemia/reperfusion injury. Methods for using the subject compound to protect against reversible and irreversible damage due to ischemia/reperfusion injury are also disclosed.
    Type: Grant
    Filed: August 21, 1998
    Date of Patent: January 11, 2000
    Assignee: Ribi ImmunoChem Research, Inc.
    Inventors: Gary T. Elliott, Patricia A. Weber, C. Gregory Sowell