Granted Patent
Utility
US 5,248,693 · App. 07/964,184
Acetylene compounds and pharmaceutical compositions and methods of using the same
Inventors:
Marc Gerspacher, Alfred Sallmann, Rolf Schurter
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Oct 21, 1992
Inventors
Marc Gerspacher
Alfred Sallmann
Rolf Schurter
Assignee (at issue)
Ciba-Geigy
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.