Granted Patent
Utility
US 6,270,799 · App. 09/508,868
Medicament formulation with a controlled release of an active agent
Inventors:
Hans-Martin Siefert, Patrick Bosche, Heino Stass, Stefan Kettelhoit, Tobias Laich
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Mar 17, 2000
Inventors
Hans-Martin Siefert
Patrick Bosche
Heino Stass
Stefan Kettelhoit
Tobias Laich
Assignee (at issue)
Bayer 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.