Granted Patent
Utility
US 4,436,892 · App. 06/447,344
Imidazolides
Inventors:
Helmut Zondler, Friedrich Lohse, Roland Moser
Patented Case
View Patent ↗
Granted: Mar 13, 1984
Filed: Dec 6, 1982
Inventors
Helmut Zondler
Friedrich Lohse
Roland Moser
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.