Granted Patent
Utility
US 5,100,894 · App. 07/684,708
Open chain rifamycin derivatives
Inventors:
Peter Taylor, Ian Timothy Williams Matthews, Jane I. Lowrie, Keith Allan Menear, Wilhelm Kump
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Apr 12, 1991
Inventors
Peter Taylor
Ian Timothy Williams Matthews
Jane I. Lowrie
Keith Allan Menear
Wilhelm Kump
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.