Granted Patent
Utility
US 5,180,718 · App. 07/718,894
Acyl derivatives of oxazolorifamycins
Inventors:
Wilhelm Kump, Christian Borel, Jen Chen, Siem Jacob Veenstra, John E. Francis, Benjamin Mugrage
Patented Case
View Patent ↗
Granted: Jan 19, 1993
Filed: Jun 21, 1991
Inventors
Wilhelm Kump
Christian Borel
Jen Chen
Siem Jacob Veenstra
John E. Francis
Benjamin Mugrage
Assignee (at issue)
Ciba-Geigy
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.