Granted Patent
Utility
US 5,797,873 · App. 08/967,789
Process for the preparation of bone cements comprising active compounds
Inventors:
Hans-Werner Franz, Berthold Nies
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Nov 10, 1997
Inventors
Hans-Werner Franz
Berthold Nies
Assignee (at issue)
Merck Patent 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.