Patents by Inventor Ronald E. Grigg

Ronald E. Grigg 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).

  • Fingerprint reagent
    Patent number: 5221627
    Abstract: A method of detection of amino acids comprising the application, to the material being tested, of a reagent comprising the following basic formula: ##STR1## where X, Y and/or Z may be nitrogen C--H, C-alkyl or C-aryl and wherein A, B, C and/or D may be an alkyl or aryl substituent either alone or in combination.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: June 22, 1993
    Assignee: The Queen's University of Belfast
    Inventors: Ronald E. Grigg, Charles A. Pounds, Teirevat Mongkolaussavaratana
  • Smoking products comprising nicotine substitutes
    Patent number: 4600025
    Abstract: A smoking product comprising an inert combustible substrate to which has been applied a nicotine-substitute-effective amount of a compound selected from the group consisting of 2-methyl-5-(pyrrolidinomethyl) thiazole and 2-methyl-5-(piperidinomethyl) thiazole, and the acid addition salts thereof. Thus, for example, a cigarette may include an inert combustible material which is a tobacco substitute onto which one or other effective compound has been impregnated.
    Type: Grant
    Filed: May 6, 1983
    Date of Patent: July 15, 1986
    Inventors: Ronald E. Grigg, Kitti Amornraksa