Granted Patent
Utility
US 5,352,809 · App. 07/412,557
9-alpha-hydroxy steroids, process for their preparation, process for the preparation of the corresponding 9(11)-dehydro derivatives and pharmaceutical preparations containing such steroids
Inventors:
Jacobus N. M. Batist, Arthur F. Marx, Willem Johan Van Zoest, Jagdish C. Kapur
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Sep 25, 1989
Inventors
Jacobus N. M. Batist
Arthur F. Marx
Willem Johan Van Zoest
Jagdish C. Kapur
Assignee (at issue)
Gist-Brocades N.V.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.