Granted Patent
Utility
US 6,815,469 · App. 09/913,555
Biodegradable, injectable oligomer-polymer composition
Inventors:
Christoph Voelkel, Manuela Pfeiffer, Sabine Fricke
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Jan 16, 2002
Inventors
Christoph Voelkel
Manuela Pfeiffer
Sabine Fricke
Assignee (at issue)
Jenapharm GmbH & Co. KG
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.