Patents Examined by Donald Meyer
  • 15-Oxasteroids
    Patent number: 4044022
    Abstract: 15-Oxasteroids of the androstane, pregnane, estrane, and 19-norpregnane series are useful as hormonal agents.
    Type: Grant
    Filed: July 2, 1976
    Date of Patent: August 23, 1977
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Perry Rosen