Granted Patent
Utility
US 4,891,384 · App. 07/191,819
Valepotriate hydrin containing medicines used to treat uclers and motility disturbances
Inventors:
Peter W. Thies, Samuel David, Insa Hell, Klau U. Wolf
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: May 3, 1988
Inventors
Peter W. Thies
Samuel David
Insa Hell
Klau U. Wolf
Assignee (at issue)
Kali-Chemic Pharma GmbH
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.