Granted Patent
Utility
US 5,656,748 · App. 08/606,787
Process for the preparation of ivermectin
Inventors:
Dieter Arlt, Gerhard Bonse, Friedhelm Reisewitz
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Feb 27, 1996
Inventors
Dieter Arlt
Gerhard Bonse
Friedhelm Reisewitz
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.