Granted Patent
Utility
US 4,800,224 · App. 07/047,099
Optically active styrene derivatives, polymers obtained from these, complexes with iridium(I) and their use
Inventor:
Jurgen Kaschig
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: May 8, 1987
Inventor
Jurgen Kaschig
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.