Granted Patent
Utility
US 5,225,413 · App. 07/620,435
pH-neutral aqueous solutions of quinolone-carboxylic acids
Inventors:
Arundev H. Naik, Herbert Voege
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Nov 30, 1990
Inventors
Arundev H. Naik
Herbert Voege
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.