Granted Patent
Utility
US 4,957,922 · App. 07/329,922
Infusion solutions of 1-cyclopropyl-6-fluoro-1,4-di-hydro-4-oxo-7-(1-piperazinyl)-quinoline-3- carboxylic acid
Inventors:
Robert Lammens, Hans Mahler, Peter Serno
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: Mar 29, 1989
Inventors
Robert Lammens
Hans Mahler
Peter Serno
Assignee (at issue)
Bayer Aktiengesellschaft
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.