Granted Patent
Utility
US 4,705,789 · App. 06/644,834
Solutions of lactic acid salts of piperazinylquinolone- and piperazinyl-azaquinolone-carboxylic acids
Inventors:
Klaus Grohe, Robert Lammens
Patented Case
View Patent ↗
Granted: Nov 10, 1987
Filed: Aug 27, 1984
Inventors
Klaus Grohe
Robert Lammens
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.