Patents by Inventor Obaid Hissami

Obaid Hissami 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).

  • Determination of ammonia levels in a sample
    Patent number: 5141853
    Abstract: A method and kit for determining the amount of ammonia in a body fluid. The method and kit involve contacting the fluid with glutamate dehydrogenase, alpha-ketoglutarate and nicotinamide hypoxanthine dinucleotide phosphate and determining the amount of ammonia present in the fluid.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: August 25, 1992
    Assignee: Abbott Laboratories
    Inventors: Charles A. Kasal, Harold M. Tinberg, Obaid Hissami, David A. Yost