Granted Patent
Utility
US 4,601,852 · App. 06/641,357
Process for the preparation of human or the derivatives thereof from pig insulin or the derivatives thereof
Inventors:
Rainer Obermeier, Jurgen Ludwig, Gerhard Seipke
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Aug 15, 1984
Inventors
Rainer Obermeier
Jurgen Ludwig
Gerhard Seipke
Assignee (at issue)
Hoechst 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.