Patents by Inventor Thomas E. Schindler

Thomas E. Schindler 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 determination of the type and severity of periodontal disease states
    Patent number: 5047328
    Abstract: Disclosed are methods for determining the severity and type of periodontal disease in mammals. The methods include the steps of (1) sampling crevicular fluid for a selected brief period of time, (2) assaying the crevicular fluid sample by colorimetric or other means to determine the total quantity of aspartate aminotransferase present, and (3) correlating the total quantity of asparatate aminotransferase present in the crevicular fluid sample with a standard for the selected sampling period which is indicative of the severity and type of periodontal disease.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: September 10, 1991
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Donald A. Chambers, Thomas E. Schindler