Granted Patent
Utility
US 6,294,201 · App. 09/530,158
Osmotic medicament releasing system
Inventors:
Stefan Kettelhoit, Ranga-Rao Kanikanti, Erich Brendel, Claus Weisemann, Ernst Chantraine, Michael Eisele, Patrick Bosche
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Apr 25, 2000
Inventors
Stefan Kettelhoit
Ranga-Rao Kanikanti
Erich Brendel
Claus Weisemann
Ernst Chantraine
Michael Eisele
Patrick Bosche
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.