Inventor
DUNG JEN-SEN
US6 patents
⚠️ This page may combine multiple inventors who share the name “DUNG JEN-SEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHNSON MATTHEY PLC
5 patentsUS7851482B2Dec 14, 2010
Method for making analgesics
JOHNSON MATTHEY PLC65 citations95
US7153966B2Dec 26, 2006
Preparation of oxycodone
JOHNSON MATTHEY PLC91 citations94
US6365742B1Apr 2, 2002
Preparation of opiates, intermediates and uses of salts
JOHNSON MATTHEY PLC53 citations93
US6090943AJul 18, 2000
Preparation of opiates, intermediates and uses of salts
JOHNSON MATTHEY PLC52 citations93
US5981751ANov 9, 1999
Method for removal of residual organic solvents and use thereof in manufacturing pharmaceuticals
JOHNSON MATTHEY PLC24 citations88