P

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 patents
US5981744ANov 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 patents

MONSANTO CO

1 patent

PHARMACIA CORP OF PFIZER INC

1 patent

ANADYS PHARMACEUTICALS INC

1 patent