Granted Patent
Utility
US 6,664,268 · App. 09/856,670
Crystal modification B 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, Werner Hallenbach, Hubert Rast
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: May 23, 2001
Inventors
Thomas Himmler
Werner Hallenbach
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.