Granted Patent
Utility
US 4,361,576 · App. 06/201,950
Cyclobutanedicarboxylic acid imides, and compositions for their use as phytopathogenic fungicides
Inventors:
Niklaus Buhler, Marcus Baumann, Daniel Bellus, Elmar Sturm
Patented Case
View Patent ↗
Granted: Nov 30, 1982
Filed: Oct 29, 1980
Inventors
Niklaus Buhler
Marcus Baumann
Daniel Bellus
Elmar Sturm
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.