Granted Patent
Utility
US 4,835,178 · App. 07/171,695
Methylendioxyphenathrene and stilben derivatives, process for the preparation thereof, pharmaceutical compositions using these, and therapeutic applications
Inventors:
Klaus Gorler, Gunter Krumbiegel, Michael Hanack, Lakshmina R. Subramanian
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Mar 22, 1988
Inventors
Klaus Gorler
Gunter Krumbiegel
Michael Hanack
Lakshmina R. Subramanian
Assignee (at issue)
Dr. Madaus GmbH & Co
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.