Granted Patent
Utility
US 5,663,140 · App. 08/372,543
Use of cyclic depsipeptides having 12 ring atoms for combating endoparasites, new cyclic despipeptides having 12 ring atoms, and processes for their preparation
Inventors:
Jurgen Scherkenbeck, Peter Jeschke, Andrew Plant, Achim Harder, Norbert Mencke
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Jan 13, 1995
Inventors
Jurgen Scherkenbeck
Peter Jeschke
Andrew Plant
Achim Harder
Norbert Mencke
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.