Granted Patent
Utility
US 5,484,722 · App. 08/201,209
Biopolymer and effector substance conjugates, process for the preparation thereof and their use
Inventors:
Heinz-Jurgen Friesen, Peter Hermentin
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Feb 24, 1994
Inventors
Heinz-Jurgen Friesen
Peter Hermentin
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.