Inventor
NG JOHN S
US43 patents
⚠️ This page may combine multiple inventors who share the name “NG JOHN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEARLE & CO
37 patentsUS5981744ANov 9, 1999
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO38 citations95
US5648511AJul 15, 1997
Method for making intermediates useful in the synthesis of retroviral protease inhibitors
SEARLE & CO39 citations95
US5831117ANov 3, 1998
Method of preparing retroviral protease inhibitor intermediates
SEARLE & CO26 citations91
US4910310AMar 20, 1990
Synthesis of N-substituted 1,5-dideoxy-1,5-imino-L-fucitol derivatives
SEARLE & CO19 citations82
US6180780B1Jan 30, 2001
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO10 citations81
US6974876B2Dec 13, 2005
Method for preparing intermediates useful in synthesis of retroviral protease inhibitors
SEARLE & CO3 citations74
US6388094B1May 14, 2002
Method for making intermediates useful in synthesis of retroviral protease inhibitors
SEARLE & CO4 citations74
US5583238ADec 10, 1996
Method for making intermediates useful in synthesis of retroviral protease inhibitors
SEARLE & CO15 citations74
US6887991B1May 3, 2005
Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein
SEARLE & CO8 citations73
US6630587B2Oct 7, 2003
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO3 citations73
US6610844B2Aug 26, 2003
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO11 citations73
US6331622B1Dec 18, 2001
Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein
SEARLE & CO6 citations73
US6277626B1Aug 21, 2001
Process for the enzymatic resolution of lactams
SEARLE & CO7 citations73
US5872298AFeb 16, 1999
Method of preparing intermediates for retroviral protease inhibitors
SEARLE & CO5 citations73
US5106750AApr 21, 1992
Enantio- and regioselective synthesis of organic compounds using enol esters as irreversible transacylation reagents
SEARLE & CO13 citations73
US6570027B2May 27, 2003
Method of preparing intermediates useful in synthesis of retroviral protease inhibitors
SEARLE & CO2 citations63
US6022996AFeb 8, 2000
Method for making intermediates useful in synthesis of retroviral protease inhibitors
SEARLE & CO4 citations63
US5013864AMay 7, 1991
Process for preparation of α-alkoxy acetic acids and their salts
SEARLE & CO3 citations63
US6953851B2Oct 11, 2005
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO1 citations62
US6638758B2Oct 28, 2003
Process for the enzymatic resolution of lactams
SEARLE & CO3 citations62
US6586591B2Jul 1, 2003
Process for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO1 citations62
US6335441B1Jan 1, 2002
5β-cyano-substituted steroid compounds
SEARLE & CO2 citations62
US6127556AOct 3, 2000
Epoxide formation by continuous in-situ synthesis process
SEARLE & CO4 citations62
US5872299AFeb 16, 1999
Method of preparing intermediates for retroviral protease inhibitors
SEARLE & CO4 citations62
US5011958AApr 30, 1991
Process for preparing higher order cuprate complexes
SEARLE & CO5 citations62
US7060851B2Jun 13, 2006
Method of preparing retroviral protease inhibitor intermediates
SEARLE & CO1 citations61
US5252763AOct 12, 1993
Process for preparing prostaglandin analogs
SEARLE & CO3 citations61
US5055604AOct 8, 1991
Process for preparing prostaglandin analogs using organozirconium compounds
SEARLE & CO5 citations61
US6849760B2Feb 1, 2005
Method of preparing retroviral protease inhibitor intermediates
SEARLE & CO1 citations59
US6515162B2Feb 4, 2003
Method of preparing retroviral protease inhibitor intermediates
SEARLE & CO3 citations59
US6201150B1Mar 13, 2001
Method of preparing retroviral protease inhibitor intermediates
SEARLE & CO3 citations59
US7189864B2Mar 13, 2007
Method of preparing intermediates useful in synthesis of retroviral protease inhibitors
SEARLE & CO0 citations52
US4952724AAug 28, 1990
Process for preparation of alpha-aryloxy acetic acids and their salts
SEARLE & CO1 citations52
US7038040B2May 2, 2006
Process for preparation of 9, 11-epoxy steroids and intermediates useful therein
SEARLE & CO0 citations51
US6258946B1Jul 10, 2001
Keto-Substituted Steroid Compounds
SEARLE & CO0 citations51
US5104990AApr 14, 1992
Process for the preparation of 3-aryl-3-aminoalkyl-2,6-dioxohexahydropyridines
SEARLE & CO1 citations49
US5220019AJun 15, 1993
Process for the preparation of diethyl 2-]2-cyano-5-(dimethylamino)-2-(3-methoxyphenyl)-1,1-dimethylpentyl]propandioate
SEARLE & CO0 citations39
PHARMACIA CORP
3 patentsUS7129345B2Oct 31, 2006
Keto-substituted steroid compounds
PHARMACIA CORP8 citations81
US7238507B2Jul 3, 2007
Aspergillus ochraceus 11 alpha hydroxylase and oxidoreductase
PHARMACIA CORP2 citations55
US7033807B2Apr 25, 2006
Aspergillus ochraceus 11 alpha hydroxylase and oxidoreductase
PHARMACIA CORP0 citations45