Granted Patent
Utility
US 5,116,816 · App. 07/209,680
Cyclosporin peptolides having an .alpha.-hydroxycarboxylic acid at position 8
Inventors:
Michael M. Dreyfuss, Max H. Schreier, Hans Tscherter
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Jun 20, 1988
Inventors
Michael M. Dreyfuss
Max H. Schreier
Hans Tscherter
Assignee (at issue)
Sandoz AG
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.