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PENICK CORP
US13 patents
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US6008355ADec 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
US4956429ASep 11, 1990
Method of making a coca leaf flavor extract
PENICK CORP27 citations84
US8357802B2Jan 22, 2013
Process for preparing oxymorphone
PENICK CORP12 citations83
US4264525AApr 28, 1981
Stepwise reduction of p-nitrophenol
PENICK CORP5 citations57
US4507518AMar 26, 1985
Dehydration of 2,5-dimethyl-2,5-hexanediol
PENICK CORP2 citations56
US9487532B2Nov 8, 2016
Process for preparing oxymorphone, naltrexone, and buprenorphine
PENICK CORP0 citations51
US4264526AApr 28, 1981
Borate reduction of nitrophenols
PENICK CORP3 citations50