Granted Patent
Utility
US 4,406,905 · App. 06/285,909
2-Pyridyl-2-thiazoline-4-carboxylic acid derivatives
Inventors:
Hans Zahner, Hans-Ulrich Naegeli, Heinrich Peter
Patented Case
View Patent ↗
Granted: Sep 27, 1983
Filed: Jul 23, 1981
Inventors
Hans Zahner
Hans-Ulrich Naegeli
Heinrich Peter
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.