IJ

Ivo L. Jirkovsky

AP Amerimas Home Products: 29 patents #17 of 715Top 3%
AH Ayerst, Mckenna & Harrison: 9 patents #3 of 29Top 15%
Pfizer: 8 patents #651 of 5,153Top 15%
📍 Montréal, CA: #48 of 4,862 inventorsTop 1%
Overall (All Time): #61,200 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
7361773 Preparation of N1-(2'-pyridyl)-1,2-propanediamine sulfamic acid and its use in the synthesis of biologically active piperazines Anita Wai-Yin Chan, Gregg Feigelson, Joseph Zeldis 2008-04-22
7276611 Process for synthesizing beta-lactamase inhibitor intermediates Michael W. Winkley, Anita Wai-Yin Chan, Kenneth Alfred Martin Kremer, Joseph Zeldis, Antonia Nikitenko +4 more 2007-10-02
7256289 Process for making chiral 1,4-disubstituted piperazines Joseph Zeldis, Gregg Feigelson 2007-08-14
7091349 Process for synthesizing N-aryl piperazines with chiral N′-1-[benzoyl(2-pyridyl)amino]-2-propane substitution Gregg Feigelson, Joseph Zeldis 2006-08-15
7019137 Process for making chiral 1,4-disubstituted piperazines Joseph Zeldis, Gregg Feigelson 2006-03-28
6784294 Preparation of N1-(2′-pyridyl)-1,2-propanediamine sulfamic acid and its use in the synthesis of biologically active piperazines Anita Wai-Yin Chan, Gregg Feigelson, Joseph Zeldis 2004-08-31
6743796 Piperazinyl-isatins Lynne Greenblatt, Richard E. Mewshaw 2004-06-01
6713626 Process for synthesizing N-aryl piperazines with chiral N′-1-[benzoyl(2-pyridyl)amino]-2-propane substitution Gregg Feigelson, Joseph Zeldis 2004-03-30
6355630 Estra-1,3,5(10)-triene-7&agr;-thioethers Chris P. Miller, Bach D. Tran 2002-03-12
5952506 Process for the synthesis of 4-6- (hexylcarbamoyloxy) hexylcarbamoyloxy!-piperidine-1-carboxylic acid 4-phenoxyphenyl ester 1999-09-14
5438056 Heterocyclic oxime carbamates Steven W. Felman, Kevin A. Memoli 1995-08-01
5389673 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones Steven W. Felman, Kevin A. Memoli 1995-02-14
5389671 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones Steven W. Felman, Kevin A. Memoli 1995-02-14
5389672 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones Steven W. Felman, Kevin A. Memoli 1995-02-14
5314913 4- or 5-(substituted sulfonyl)methyl-3(2H)-furanones Steven W. Felman, Kevin A. Memoli 1994-05-24
5236941 5-(2-hydroxy-1-arylethylidene)- and 5-(2-oxo-1-arylethylidene)-2,4-thiazolidinediones and derivatives thereof Arie Zask 1993-08-17
5118675 Quinoxaline phosphono-amino acids Reinhardt Baudy, Lynne Greenblatt 1992-06-02
5068342 5-[(1- and 2-naphthalenyl)thio and sulfonyl]-2,4-thiazolidinediones and derivatives thereof Arie Zask 1991-11-26
5026725 Inhibition of bone loss by 4-substituted-5-hydroxy-2(5H)-furanones Marshall A. Hayward, Joseph Peter Sabatucci, Yvon Lefebvre 1991-06-25
5017601 Anti-ulcer 5-(2-substituted ethenyl)-3(2H)-furanones Steven W. Felman, Kevin A. Memoli 1991-05-21
5010102 Anti-ulcer 5-(2-substituted ethenyl)-3(2H)-furanones Steven W. Felman, Kevin A. Memoli 1991-04-23
5001126 Anti-ulcer 5-(2-substituted ethenyl)-3(2H)-furanones Steven W. Felman, Kevin A. Memoli 1991-03-19
4997948 5-[(1- and 2-naphthalenyl) sulfonyl]-2,4-thiazolidinediones and derivatives thereof Arie Zask 1991-03-05
4966905 Anti-ulcer 5-(2-substituted ethenyl)-3-(2H)-furanones Steven W. Felman, Kevin A. Memoli 1990-10-30
4916241 Inhibition of bone loss by 4-substituted-5-hydroxy-2(5H)-furanones Marshall A. Hayward, Joseph Peter Sabatucci, Yvon Lefebvre 1990-04-10