Granted Patent
Utility
US 4,466,969 · App. 06/385,414
7-Oxoprostacyclin derivatives and their use as hypotensives and bronchodilators
Inventors:
Robert C. Nikolson, Helmut Vorbruggen, Jorge Casals-Stenzel, Gerda Mannesmann
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: May 17, 1982
Inventors
Robert C. Nikolson
Helmut Vorbruggen
Jorge Casals-Stenzel
Gerda Mannesmann
Assignee (at issue)
SCHERING CORPORATION
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.