Patents by Inventor William F. Feller

William F. Feller 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).

  • Breast cancer diagnostic blood test
    Patent number: 4657851
    Abstract: A method for detecting an antigen in a plasma or serum sample, which comprises conditioning the sample, wherein conditioning comprises either diluting the sample by a factor of at least 100 or dissociating the antigen in the sample from binding proteins with acid, base, or a chaotropic agent; drying the conditioned sampled; and detecting the antigen in the dried sample using an immunological assay is disclosed. The method is particularly useful for the detection of antigens associated with breast cancer.
    Type: Grant
    Filed: January 3, 1984
    Date of Patent: April 14, 1987
    Assignee: Georgetown University
    Inventors: William F. Feller, Judith A. Kantor
  • Reverse transcriptase from human milk, method for its purification, and its use in the detection of breast cancer
    Patent number: 4409200
    Abstract: A method for diagnosing mammalian breast cancer by detecting in the physiological fluid of said mammal an antigen (ACRT) having immune cross-reactivity with human reverse transcriptase, or detecting antibodies against said ACRT or detecting antibody-ACRT complexes, wherein the reverse transcriptase is substantially purified, has a molecular of about 70,000 and a sedimentation coefficient on a glycerol gradient of between 5 and 5.5 S. A process for the purification of reverse transcriptase from human milk.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: October 11, 1983
    Assignee: Research Corporation
    Inventors: William F. Feller, Judith A. Kantor, Jack G. Chirikjian, Terence M. Phillips