Patents by Inventor Ronald T. Coutts

Ronald T. Coutts 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).

  • Pharmaceutical compositions containing piperazinyl acylhydroxamic acid derivatives to treat inflammation or anaphylactic allergy conditions
    Patent number: 4166116
    Abstract: Compounds of the following general formula have been found to have biological activity and are useful in pharmaceutical compositions: ##STR1## wherein M = 0, 1 OR 2R = alkylene straight or branched chain of up to 3 carbon atoms, andX when present is a salt-forming acid.Typical compounds are 2-methyl-3-{1-(4-phenyl) piperazinyl} propionohydroxamic acid monohydrochloride and {1-(4-phenethyl) piperazinyl} acetohydroxamic acid dihydrochloride. These compounds have been found to have at least one of anti-inflammatory, anti-anaphylactic and anti-depressant activity.
    Type: Grant
    Filed: November 11, 1977
    Date of Patent: August 28, 1979
    Assignee: Canadian Patents and Development Limited
    Inventors: Ronald T. Coutts, David F. Biggs, Frank W. Wandelmaier, Frank D. Semaka