Inventor · disambiguated record
Gregg Feigelson
Also filed as: FEIGELSON GREGG · FEIGELSON GREGG B · FEIGELSON GREGG BRIAN
31 granted patents·4 pending applications·176 citations·filing 1990–2021
96Inventor score
Top patents by PatentIndex Score
35 records- 0193US10894796B2MK2 inhibitors, synthesis thereof, and intermediates theretoCELGENE CAR LLC·Filed 2018·Granted Jan 19, 2021·8 cites·19 claims
- 0289US9309220B2Processes for the preparation of (S)-3-(4- (4-(morpholinomethyl)benzyl)oxy)-1-oxoisoindolin-2-yl)piperidine-2,6-dione and pharmaceutically acceptable forms thereofCELGENE CORP·Filed 2013·Granted Apr 12, 2016·14 cites·34 claims
- 0389US7297795B2Process for preparation of 4-amino-3-quinolinecarbonitrilesWYETH CORP·Filed 2004·Granted Nov 20, 2007·32 cites·13 claims
- 0487US6713626B2Process for synthesizing N-aryl piperazines with chiral N′-1-[benzoyl(2-pyridyl)amino]-2-propane substitutionWYETH CORP·Filed 2003·Granted Mar 30, 2004·19 cites·12 claims
- 0585US11655257B2MK2 inhibitors, synthesis thereof, and intermediates theretoCELGENE CAR LLC·Filed 2021·Granted May 23, 2023·1 cites·10 claims
- 0681US6784294B2Preparation of N1-(2′-pyridyl)-1,2-propanediamine sulfamic acid and its use in the synthesis of biologically active piperazinesWYETH CORP·Filed 2003·Granted Aug 31, 2004·11 cites·15 claims
- 0778US9975872B2Processes for the preparation of (s)-3-(4-((4-(morpholinomethyl)benzyl)oxy)-1-oxoisoindolin-2-yl)piperidine-2,6-dione and pharmaceutically acceptable forms thereofCELGENE CORP·Filed 2016·Granted May 22, 2018·2 cites·12 claims
- 0877US7767678B2Crystalline forms of 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile and methods of preparing the sameWYETH LLC·Filed 2006·Granted Aug 3, 2010·3 cites·21 claims
- 0977US6693197B2Process for the synthesis of derivatives of 2,3-dihydro-1,4-dioxino- [2,3-f] quinolineWYETH CORP·Filed 2002·Granted Feb 17, 2004·6 cites·38 claims
- 1077US5602118A2-thiosubstituted carbapenemsAMERICAN CYANAMID CO·Filed 1994·Granted Feb 11, 1997·28 cites·53 claims
- 1176US7091349B2Process for synthesizing N-aryl piperazines with chiral N′-1-[benzoyl(2-pyridyl)amino]-2-propane substitutionWYETH CORP·Filed 2004·Granted Aug 15, 2006·7 cites·5 claims
- 1275US7019137B2Process for making chiral 1,4-disubstituted piperazinesWYETH CORP·Filed 2003·Granted Mar 28, 2006·6 cites·11 claims
- 1374US9133161B2Processes for preparing isoindoline-1,3-dione compoundsCELGENE CORP·Filed 2013·Granted Sep 15, 2015·2 cites·11 claims
- 1474US7256289B2Process for making chiral 1,4-disubstituted piperazinesWYETH CORP·Filed 2005·Granted Aug 14, 2007·1 cites·3 claims
- 1565US11312699B2Processes for preparing 2-(4-chlorophenyl)-N-((2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)methyl)-2,2-difluoroacetamideCELGENE CORP·Filed 2020·Granted Apr 26, 2022·0 cites·24 claims
- 1664US7361773B2Preparation of N1-(2'-pyridyl)-1,2-propanediamine sulfamic acid and its use in the synthesis of biologically active piperazinesWYETH CORP·Filed 2004·Granted Apr 22, 2008·2 cites·7 claims
- 1764US7038052B2Process for the synthesis of derivatives of 2, 3-dihydro-1, 4-dioxino- [2, 3-f] quinolineWYETH CORP·Filed 2003·Granted May 2, 2006·1 cites·11 claims
- 1862US2008058543A1Process for making chiral 1,4-disubstituted piperazinesZELDIS JOSEPH·Filed 2007·Application pending·0 cites
- 1960US7166723B2Process for the synthesis of derivatives of 2,3-dihydro-1,4-dioxino-[2,3-f] quinolineWYETH CORP·Filed 2005·Granted Jan 23, 2007·0 cites·4 claims
- 2056US5068232ANovel 2-substituted alkyl-3-carboxy carbapenems as antibiotics and a method of producing themAMERICAN CYANAMID CO·Filed 1990·Granted Nov 26, 1991·10 cites·8 claims
- 2155US2008033175A1Process for preparation of 4-amino-3-quinolinecarbonitrilesWYETH CORP·Filed 2007·Application pending·0 cites
- 2250US5700930A4-substituted azetidinones as precursors to 2-substituted-3-carboxy carbapenem antibiotics and a method of producing themAMERICAN CYANAMID CO·Filed 1995·Granted Dec 23, 1997·3 cites·1 claims
- 2347US5480987A2-substituted alkyl-3-carboxy carbapenems as antibiotics and a method of producing themAMERICAN CYANAMID CO·Filed 1994·Granted Jan 2, 1996·5 cites·23 claims
- 2447US5288888AProcess for the synthesis of acetic acid, (dimethoxyphosphinyl) [[1,1-dimethylethyl)dimethylsilyl]-oxy]-, (4-nitrophenyl) methyl esterAMERICAN CYANAMID CO·Filed 1993·Granted Feb 22, 1994·4 cites·8 claims
- 2547US2009023930A1Processes and intermediates for the preparation of heterocyclic sulfonamide compoundsWYETH CORP·Filed 2008·Application pending·0 cites
- 2646US5750735A2-thiosubstituted carbapenemsAMERICAN CYANAMID CO·Filed 1995·Granted May 12, 1998·5 cites·29 claims
- 2745US8445496B2Crystalline forms of 4-[(2,4-dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl)propoxy]-3-quinolinecarbonitrile and methods of preparing the sameTESCONI MARC SADLER·Filed 2010·Granted May 21, 2013·0 cites·13 claims
- 2844US7671196B2Diazepinoquinolines, synthesis thereof, and intermediates theretoWYETH LLC·Filed 2006·Granted Mar 2, 2010·0 cites·4 claims
- 2942US2007088022A1Tetrahydroquinolines, synthesis thereof, and intermediates theretoWYETH CORP·Filed 2006·Application pending·0 cites
- 3040US5744465AMethod of inhibiting a β-lactamase enzyme by administering novel 2-thiosubstituted carbapenemsAMERICAN CYANAMID CO·Filed 1995·Granted Apr 28, 1998·3 cites·1 claims
- 3140US5369102A2-substituted alkyl-3-carboxy carbopenems as antibiotics and a method of producing themAMERICAN CYANAMID CO·Filed 1993·Granted Nov 29, 1994·1 cites·6 claims
- 3238US5189158A4-substituted azetidinones as precursors to 2-substituted-3-carboxy carbapenem antibiotics and a method of producing themAMERICAN CYANAMID CO·Filed 1991·Granted Feb 23, 1993·2 cites·2 claims
- 3336US5656753A4-substituted azetidinones as precursors to 2-substituted-3-carboxy carbapenem antibiotics and a method of producing themAMERICAN CYANAMID CO·Filed 1994·Granted Aug 12, 1997·0 cites·1 claims
- 3434US5371215A4-substituted azetidinones as precursors to 2-substituted-3-carboxy carbapenem antibiotics and a method of producing themAMERICAN CYANAMID CO·Filed 1993·Granted Dec 6, 1994·0 cites·10 claims
- 3532US5623081AMethod for producing tetrahydrofuranyl compoundsFiled 1995·Granted Apr 22, 1997·0 cites·1 claims
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