Granted Patent
Utility
US 4,374,145 · App. 06/301,570
Tin compounds
Inventors:
Wolfgang Wehner, Saleem Farooq, Hans-Gunter Kostler
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Sep 14, 1981
Inventors
Wolfgang Wehner
Saleem Farooq
Hans-Gunter Kostler
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.