Patents by Inventor Frank J. Waxman

Frank J. Waxman 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).

  • Method for detection of periodontal disease
    Patent number: 4801535
    Abstract: Disclosed are improvements in methods for determining the presence of suprathreshold amounts of aspartate aminotransferase in an oral fluid sample by (1) incubation of aspartate aminotransferase substrate materials in a first reaction mixture with the sample to form a first reaction product and (2) detection of reaction product therein by incubation with an indicator substance in a second reaction mixture wherein a second colored reaction product is formed.
    Type: Grant
    Filed: March 18, 1986
    Date of Patent: January 31, 1989
    Assignee: Xytronyx, Inc.
    Inventors: Scott D. Babler, Peter Baram, Paul H. Rudolph, Frank J. Waxman