Granted Patent
Utility
US 6,229,017 · App. 09/330,532
Process for preparing quinolone- and naphthyridone- carboxylic acids and esters thereof
Inventors:
Norbert Lui, Hans Panskus, Herbert Muller
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Jun 11, 1999
Inventors
Norbert Lui
Hans Panskus
Herbert Muller
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.