Inventor
HUANG BAO-SHAN
US14 patents
⚠️ This page may combine multiple inventors who share the name “HUANG BAO-SHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENICK CORP
9 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
US8357802B2Jan 22, 2013
Process for preparing oxymorphone
PENICK CORP12 citations83
US9487532B2Nov 8, 2016
Process for preparing oxymorphone, naltrexone, and buprenorphine
PENICK CORP0 citations51