Granted Patent
Utility
US 5,252,734 · App. 07/831,778
Antibacterial 5-alkylquinolonecarboxylic acids
Inventors:
Michael Schriewer, Klaus Grohe, Andreas Krebs, Uwe Petersen, Thomas Schenke, Ingo Haller, Karl G. Metzger, Rainer Endermann, Hans-Joachim Zeiler
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Feb 5, 1992
Inventors
Michael Schriewer
Klaus Grohe
Andreas Krebs
Uwe Petersen
Thomas Schenke
Ingo Haller
Karl G. Metzger
Rainer Endermann
Hans-Joachim Zeiler
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.