Granted Patent
Utility
US 4,421,765 · App. 06/193,776
Substituted phenylacetic acid amide compounds
Inventors:
Alfred Sallmann, Gerhard Baschang
Patented Case
View Patent ↗
Granted: Dec 20, 1983
Filed: Oct 3, 1980
Inventors
Alfred Sallmann
Gerhard Baschang
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.