Granted Patent
Utility
US 4,639,434 · App. 06/713,429
Novel cyclosporins
Inventors:
Roland Wenger, Rene P. Traber, Hans Kobel, Hans P. Hofmann
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Mar 19, 1985
Inventors
Roland Wenger
Rene P. Traber
Hans Kobel
Hans P. Hofmann
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.