Patents by Inventor Kuo-Chuan Feng

Kuo-Chuan Feng 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).

  • Sulfur oxide determination
    Patent number: 3973911
    Abstract: Disclosed are systems, methods and materials for use in detection and quantification of sulfur oxides in a fluid sample. Involved is the reaction of a selected compound which is substantially non-fluorescent under given reaction conditions, e.g., 5-amino-3-sulfo-salicylic acid in a pH 1-3 solution, with sulfur oxides in the fluid sample to form a fluorescent reaction product which may be quantified by standard fluorometric techniques.
    Type: Grant
    Filed: February 6, 1975
    Date of Patent: August 10, 1976
    Assignee: University of Illinois Foundation
    Inventors: Alfred VON Smolinski, Kuo-Chuan Feng