Granted Patent
Utility
US 6,492,391 · App. 09/914,031
Crystal modification d of 8-cyano-1-cyclopropyl-7-(1s, 6s- 2,8-diazabicyclo-[4.3.0]nonan-8-yl)-6-fluoro-1,4- dihydro-4-oxo-3-quinolinecarboxylic acid
Inventors:
Thomas Himmler, Hubert Rast
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Aug 22, 2001
Inventors
Thomas Himmler
Hubert Rast
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.