Patents Represented by Attorney R. McDonald
  • Patent number: 4044140
    Abstract: Disclosed herein are novel 5-tritylpicolinic acids, amides, esters and pharmaceutically acceptable salts thereof. Also disclosed are methods for the use of said novel compounds as anti-acne agents.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: August 23, 1977
    Assignee: Schering Corporation
    Inventor: Margaret H. Sherlock