Patents Represented by Law Firm Marshall, O'Tolle, Gerstein, Murray & Bicknell
  • 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