Patents Represented by Attorney William J. Nicholson

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  • Quinazolinones and pyridopyrimidinones
    Patent number: 5256667
    Abstract: Substituted quinazolinones and pyridopyrimidines of structural formula I ##STR1## are angiotensin II antagonists useful in the treatment of disorders related to the renin-angiotensin system (RAS) such as hypertension, congestive heart failure, ocular hypertension and certain CNS disorders.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: October 26, 1993
    Assignees: Merck & Co., Inc., E. I. Du Pont De Nemours & Co.
    Inventors: Eric E. Allen, Richard E. Olson