Granted Patent
Utility
US 4,696,922 · App. 06/799,373
5-azolylacetoxymilbemycins as ecto- and endoparasites
Inventors:
Elmar Sturm, Peter Maienfisch
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Nov 18, 1985
Inventors
Elmar Sturm
Peter Maienfisch
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.