Patents by Inventor Victor M. Villarejos

Victor M. Villarejos 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).

  • Non-A, non-B hepatitis antigen, antigen compositions, vaccine and diagnostic reagent
    Patent number: 4702909
    Abstract: Non-A, non-B hepatitis antigen, antigen compositions, vaccine and assay test for the detection of non-A, non-B hepatitis antigen. The antigen is characterized as having a particle size of about 2.0 nm to about 5.0 nm, a density of from about 1.24 to about 1.30 g/cm.sup.3, contains ribonucleic acid and occurs either free or bound to IgG molecules.The antigen can be isolated by isopycnic banding and chromatographic fractionation, and preferably by enzymatic digestion, isopycnic banding and chromatographic fractionation.
    Type: Grant
    Filed: April 26, 1984
    Date of Patent: October 27, 1987
    Assignee: Louisiana State University A & M
    Inventors: Victor M. Villarejos, Kirsten A. Visona