Granted Patent
Utility
US 4,396,552 · App. 06/229,201
Novel metal mercaptides of esters of .beta.-mercaptoalkanols
Inventors:
Gerrit Knobloch, Wolfgang Wehner, Hermann O. Wirth
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Jan 28, 1981
Inventors
Gerrit Knobloch
Wolfgang Wehner
Hermann O. Wirth
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.