Inventor
JI BEN-YI
US7 patents
Patents
7 patentsUS6008355ADec 28, 1999
Preparation of oxycodone from codeine
PENICK CORP185 citations97
US5952495ASep 14, 1999
Preparation of 14-hydroxynormorphinones from normorphinones
PENICK CORP92 citations97
US5869669AFeb 9, 1999
Preparation of 14-hydroxynormorphinones from normorphinone dienol acylates
PENICK CORP81 citations96
US6013796AJan 11, 2000
Preparation of naltrexone from codeine and 3-benzylmorphine
PENICK CORP63 citations95
US6008354ADec 28, 1999
Preparation of noroxymorphone from morphine
PENICK CORP53 citations95
US5948788ASep 7, 1999
Normorphine and normorphinone derivatives
PENICK CORP53 citations95
US5922876AJul 13, 1999
Preparation of oxymorphone from morphine
PENICK CORP70 citations95