Granted Patent
Utility
US 4,329,167 · App. 06/140,402
Pyridyloxy-phenoxyalkanecarboxylic acid derivatives
Inventors:
Hermann Rempfler, Werner Fory
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Apr 14, 1980
Inventors
Hermann Rempfler
Werner Fory
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.