Granted Patent
Utility
US 6,566,523 · App. 10/018,110
Method for the enantiomer separation of cis-8-benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]nonane
Inventor:
Peter Fey
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Dec 14, 2001
Inventor
Peter Fey
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.