Granted Patent
Utility
US 6,069,269 · App. 09/091,479
Process for the preparation of prostaglandin E1
Inventors:
Gyula Dalmadi, Felix Hajdu, Istvan Hermecz, Karoly Mozsolits, Tibor Szabo, Zoltan Szeverenyi, Ervin Vajda
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Sep 18, 1998
Inventors
Gyula Dalmadi
Felix Hajdu
Istvan Hermecz
Karoly Mozsolits
Tibor Szabo
Zoltan Szeverenyi
Ervin Vajda
Assignee (at issue)
Chinoin Gyogyszer es Vegyeszeti
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.