Inventor · disambiguated record

John S. Ng

Also filed as: NG JOHN · NG JOHN S · NG JOHN SHEN HIM

44 granted patents·6 pending applications·278 citations·filing 1988–2019

98Inventor score

Technology areasC07J C07C C07D C12P C07K

Files withSEARLE & CO38 PHARMACIA CORP3 AMGEN INC1 ANADYS PHARMACEUTICALS INC1 G D SEARLE LLC FORMERLY NAMED1

Top patents by PatentIndex Score

50 records

0192US7129345B2Keto-substituted steroid compoundsPHARMACIA CORP·Filed 2005·Granted Oct 31, 2006·8 cites·17 claims
0291US5981744AProcesses for preparation of 9,11-epoxy steroids and intermediates useful thereinSEARLE & CO·Filed 1996·Granted Nov 9, 1999·38 cites·26 claims
0386US5831117AMethod of preparing retroviral protease inhibitor intermediatesSEARLE & CO·Filed 1995·Granted Nov 3, 1998·26 cites·4 claims
0484US4910310ASynthesis of N-substituted 1,5-dideoxy-1,5-imino-L-fucitol derivativesSEARLE & CO·Filed 1988·Granted Mar 20, 1990·19 cites·13 claims
0580US6974876B2Method for preparing intermediates useful in synthesis of retroviral protease inhibitorsSEARLE & CO·Filed 2003·Granted Dec 13, 2005·3 cites·20 claims
0678US6610844B2Processes for preparation of 9,11-epoxy steroids and intermediates useful thereinSEARLE & CO·Filed 2002·Granted Aug 26, 2003·11 cites·18 claims
0777US6887991B1Processes for preparation of 9, 11-epoxy steroids and intermediates useful thereinSEARLE & CO·Filed 2003·Granted May 3, 2005·8 cites·6 claims
0877US6570027B2Method of preparing intermediates useful in synthesis of retroviral protease inhibitorsSEARLE & CO·Filed 2002·Granted May 27, 2003·2 cites·4 claims
0977US5648511AMethod for making intermediates useful in the synthesis of retroviral protease inhibitorsSEARLE & CO·Filed 1995·Granted Jul 15, 1997·39 cites·12 claims
1076US6180780B1Processes for preparation of 9,11-epoxy steroids and intermediates useful thereinSEARLE & CO·Filed 1999·Granted Jan 30, 2001·10 cites·8 claims
1175US6335441B15β-cyano-substituted steroid compoundsSEARLE & CO·Filed 2000·Granted Jan 1, 2002·2 cites·13 claims
1273US6638758B2Process for the enzymatic resolution of lactamsSEARLE & CO·Filed 2001·Granted Oct 28, 2003·3 cites·1 claims
1372US6630587B2Processes for preparation of 9,11-epoxy steroids and intermediates useful thereinSEARLE & CO·Filed 2001·Granted Oct 7, 2003·3 cites·4 claims
1471US7361789B1Dihydronaphthalene compounds, compositions, uses thereof, and methods for synthesisAMGEN INC·Filed 2005·Granted Apr 22, 2008·2 cites·48 claims
1571US7112669B2Processes for preparation of 9,11-epoxy steroids and intermediates useful thereinPHARMACIA CORP OF PFIZER INC·Filed 2005·Granted Sep 26, 2006·1 cites·20 claims
1671US6586591B2Process for preparation of 9,11-epoxy steroids and intermediates useful thereinSEARLE & CO·Filed 2001·Granted Jul 1, 2003·1 cites·11 claims
1770US7189864B2Method of preparing intermediates useful in synthesis of retroviral protease inhibitorsSEARLE & CO·Filed 2004·Granted Mar 13, 2007·0 cites·20 claims
1869US6515162B2Method of preparing retroviral protease inhibitor intermediatesSEARLE & CO·Filed 2000·Granted Feb 4, 2003·3 cites·10 claims
1968US5106750AEnantio- and regioselective synthesis of organic compounds using enol esters as irreversible transacylation reagentsSEARLE & CO·Filed 1989·Granted Apr 21, 1992·13 cites·18 claims
2065US6953851B2Processes for preparation of 9,11-epoxy steroids and intermediates useful thereinSEARLE & CO·Filed 2003·Granted Oct 11, 2005·1 cites·16 claims
2163US6214609B1Method and apparatus for preparation of chiral beta amino acids using penicilln G acylaseMONSANTO CO·Filed 1998·Granted Apr 10, 2001·11 cites·17 claims
2262US2006270855A1Methods of preparing retroviral proteases inhibitor intermediatesSEARLE & CO·Filed 2006·Application pending·0 cites
2362US2007060746A1Processes for preparation of 9,11 epoxy steroids and intermediates useful thereinG D SEARLE LLC FORMERLY NAMED·Filed 2006·Application pending·0 cites
2461US7060851B2Method of preparing retroviral protease inhibitor intermediatesSEARLE & CO·Filed 2004·Granted Jun 13, 2006·1 cites·11 claims
2561US5583238AMethod for making intermediates useful in synthesis of retroviral protease inhibitorsSEARLE & CO·Filed 1993·Granted Dec 10, 1996·15 cites·14 claims
2660US7238507B2Aspergillus ochraceus 11 alpha hydroxylase and oxidoreductasePHARMACIA CORP·Filed 2004·Granted Jul 3, 2007·2 cites·5 claims
2760US6388094B1Method for making intermediates useful in synthesis of retroviral protease inhibitorsSEARLE & CO·Filed 1999·Granted May 14, 2002·4 cites·9 claims
2860US6277626B1Process for the enzymatic resolution of lactamsSEARLE & CO·Filed 1999·Granted Aug 21, 2001·7 cites·11 claims
2959US6331622B1Processes for preparation of 9, 11-epoxy steroids and intermediates useful thereinSEARLE & CO·Filed 1999·Granted Dec 18, 2001·6 cites·55 claims
3059US5872298AMethod of preparing intermediates for retroviral protease inhibitorsSEARLE & CO·Filed 1997·Granted Feb 16, 1999·5 cites·6 claims
3158US6849760B2Method of preparing retroviral protease inhibitor intermediatesSEARLE & CO·Filed 2002·Granted Feb 1, 2005·1 cites·8 claims
3257US2008027237A1Processes for preparations of 9,11-epoxy steroids and intermediates useful thereinNG JOHN S·Filed 2006·Application pending·0 cites
3356US5011958AProcess for preparing higher order cuprate complexesSEARLE & CO·Filed 1989·Granted Apr 30, 1991·5 cites·6 claims
3455US7038040B2Process for preparation of 9, 11-epoxy steroids and intermediates useful thereinSEARLE & CO·Filed 2003·Granted May 2, 2006·0 cites·18 claims
3553US6201150B1Method of preparing retroviral protease inhibitor intermediatesSEARLE & CO·Filed 1998·Granted Mar 13, 2001·3 cites·8 claims
3651US6258946B1Keto-Substituted Steroid CompoundsSEARLE & CO·Filed 2000·Granted Jul 10, 2001·0 cites·4 claims
3751US6127556AEpoxide formation by continuous in-situ synthesis processSEARLE & CO·Filed 1997·Granted Oct 3, 2000·4 cites·17 claims
3850US2002019522A1Processes for preparation of 9-11, epoxy steroids and intermediates useful thereinFiled 2001·Application pending·0 cites
3950US2002016455A1Processes for preparation of 9,11- epoxy steroids and intermediates useful thereinFiled 2001·Application pending·0 cites
4048US6022996AMethod for making intermediates useful in synthesis of retroviral protease inhibitorsSEARLE & CO·Filed 1996·Granted Feb 8, 2000·4 cites·6 claims
4148US5013864AProcess for preparation of α-alkoxy acetic acids and their saltsSEARLE & CO·Filed 1989·Granted May 7, 1991·3 cites·24 claims
4247US7781581B2Process for the preparation of 5-amino-3H-thiazolo[4,5-d]pyrimidin-2-oneANADYS PHARMACEUTICALS INC·Filed 2006·Granted Aug 24, 2010·0 cites·16 claims
4347US5252763AProcess for preparing prostaglandin analogsSEARLE & CO·Filed 1992·Granted Oct 12, 1993·3 cites·4 claims
4444US7033807B2Aspergillus ochraceus 11 alpha hydroxylase and oxidoreductasePHARMACIA CORP·Filed 2001·Granted Apr 25, 2006·0 cites·15 claims
4541US5055604AProcess for preparing prostaglandin analogs using organozirconium compoundsSEARLE & CO·Filed 1990·Granted Oct 8, 1991·5 cites·17 claims
4641US2021040470A1An enzyme containing polymer, a sensor containing the same, a monitor and a monitoring methodSINGAPORE HEALTH SERV PTE LTD·Filed 2019·Application pending·0 cites
4740US5872299AMethod of preparing intermediates for retroviral protease inhibitorsSEARLE & CO·Filed 1997·Granted Feb 16, 1999·4 cites·2 claims
4838US4952724AProcess for preparation of alpha-aryloxy acetic acids and their saltsSEARLE & CO·Filed 1989·Granted Aug 28, 1990·1 cites·9 claims
4936US5104990AProcess for the preparation of 3-aryl-3-aminoalkyl-2,6-dioxohexahydropyridinesSEARLE & CO·Filed 1990·Granted Apr 14, 1992·1 cites·2 claims
5028US5220019AProcess for the preparation of diethyl 2-]2-cyano-5-(dimethylamino)-2-(3-methoxyphenyl)-1,1-dimethylpentyl]propandioateSEARLE & CO·Filed 1992·Granted Jun 15, 1993·0 cites·38 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →