Granted Patent
Utility
US 6,693,095 · App. 10/014,651
Antibacterial substituted 7-acylamino-3-(methylhydrazono) methyl-cephalosporins and intermediates
Inventors:
Gerd Ascher, Josef Wieser, Michael Schranz, Johannes Ludescher, Johannes Hildebrandt
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Nov 13, 2001
Inventors
Gerd Ascher
Josef Wieser
Michael Schranz
Johannes Ludescher
Johannes Hildebrandt
Assignee (at issue)
Biochemie Gesellschaft m.b.H
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.