Granted Patent
Utility
US 5,849,752 · App. 08/760,543
Crystal modification of CDCH a process for its preparation and pharmaceutical formulations comprising this modification
Inventors:
Alfons Grunenberg, Patrick Bosche
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Dec 5, 1996
Inventors
Alfons Grunenberg
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.