Patents by Inventor Clarence S. Rovny

Clarence S. Rovny 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).

  • 4-(Pyridyl, piperazinyl and thiazolyl substituted thiazolyl)-3-hydroxy-3-pyrroline-2,5-diones
    Patent number: 4296237
    Abstract: Novel 4-(substituted thiazolyl)-3-hydroxy-3-pyrroline-2,5-diones are disclosed which inhibit glycolic acid oxidase and thus are useful in the treatment and prevention of calcium oxalate renal lithiasis.
    Type: Grant
    Filed: September 11, 1979
    Date of Patent: October 20, 1981
    Assignee: Merck & Co., Inc.
    Inventors: Edward J. Cragoe, Jr., Clarence S. Rovny