Granted Patent
Utility
US 6,008,355 · App. 09/116,283
Preparation of oxycodone from codeine
Inventors:
Bao-Shan Huang, Yansong Lu, Ben-Yi Ji, Aris P Christodoulou
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Jul 16, 1998
Inventors
Bao-Shan Huang
Yansong Lu
Ben-Yi Ji
Aris P Christodoulou
Assignee (at issue)
PENICK CORPORATION
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.