Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7842834 | Process for the synthesis of sulfonyl halides and sulfonamides from sulfonic acid salts | Ronald Michalak, Jean Louise Helom | 2010-11-30 |
| 7687666 | Methods for preparing sulfonamide substituted alcohols and intermediates thereof | Anita Wai-Yin Chan, Jianxin Ren, Mousumi Ghosh, Arkadiy Zinoviy Rubezhov, Panolil Raveendranath | 2010-03-30 |
| 7541485 | Methods for preparing glutamic acid derivatives | Ronald Michalak, Mel Jennings, David Blum, Timothy Doyle | 2009-06-02 |
| 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, Ivo L. Jirkovsky | 2008-04-22 |
| 7276611 | Process for synthesizing beta-lactamase inhibitor intermediates | Michael W. Winkley, Anita Wai-Yin Chan, Ivo L. Jirkovsky, Kenneth Alfred Martin Kremer, Antonia Nikitenko +4 more | 2007-10-02 |
| 7256289 | Process for making chiral 1,4-disubstituted piperazines | Ivo L. Jirkovsky, Gregg Feigelson | 2007-08-14 |
| 7179911 | Method for preparing hydroxamic acids | Ting-Zhong Wang, Lalitha Krishnan, Jeremy Levin, Jean Schmid, Mellard Jennings +2 more | 2007-02-20 |
| 7091349 | Process for synthesizing N-aryl piperazines with chiral N′-1-[benzoyl(2-pyridyl)amino]-2-propane substitution | Gregg Feigelson, Ivo L. Jirkovsky | 2006-08-15 |
| 7019137 | Process for making chiral 1,4-disubstituted piperazines | Ivo L. Jirkovsky, 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, Ivo L. Jirkovsky | 2004-08-31 |
| 6713626 | Process for synthesizing N-aryl piperazines with chiral N′-1-[benzoyl(2-pyridyl)amino]-2-propane substitution | Gregg Feigelson, Ivo L. Jirkovsky | 2004-03-30 |
| 6649779 | Estrenes | Michael Z. Kagan, Fangming Kong, Leonard A. McDonald, Panolil Raveendranath, Syed M. Shah | 2003-11-18 |