Granted Patent
Utility
US 5,081,296 · App. 07/510,384
Bis(.beta.-hydroxyethylthio)-C.sub.1 -C.sub.4 -alkylamines
Inventors:
Athanassios Tzikas, Paul Herzig
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Apr 17, 1990
Inventors
Athanassios Tzikas
Paul Herzig
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.