Patents by Inventor Stewart R. Cambell

Stewart R. Cambell 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).

  • Assay of salicylates or reduced pyridine nucleotides
    Patent number: 5460948
    Abstract: A method for the estimation of a salicylate in a sample is characterized by enzymatically converting the salicylate to a catechol by the action of a salicylate mono-oxygenase enzyme on the salicylate in the presence of a reduced pyridine nucleotide, reacting the catechol with a compound selected from compounds of formula I or amine or phenolic compounds of formulae II, III or IV ##STR1##
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: October 24, 1995
    Assignee: The Public Health Laboratory Service Board
    Inventors: Anthony Atkinson, Stewart R. Cambell, Peter M. Hammond, Helen C. Morris, John R. Ramsey, Christopher P. Price