Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6353110 | Asymmetric conjugate addition reaction | Richard D. Tillyer, Richard M. Heid, Jr., David M. Tschaen | 2002-03-05 |
| 6121026 | Enantioselective bioreduction using yeast | Michel Chartrain, Barbara Ann Krulewicz, David M. Tschaen | 2000-09-19 |
| 6031101 | Oxidation process using tempo | Eiichi Mano, Zhiguo Jake Song, David M. Tschaen, Mangzu Zhao | 2000-02-29 |
| 6022972 | Pyridine propanoic acid derivatives | Richard D. Tillyer, Richard M. Heid, Jr., David M. Tschaen | 2000-02-08 |
| 5962688 | Stereoselective deoxygenation reaction | Ulf H. Dolling, Lisa F. Frey, Richard D. Tillyer, David M. Tschaen, Yoshiaki Kato | 1999-10-05 |
| 5856519 | Chiral auxilary for stereoselective alkylations | Richard M. Heid, Jr., David M. Tschaen | 1999-01-05 |
| 5708186 | Stereoselective process | David M. Tschaen, Richard M. Heid, Jr. | 1998-01-13 |
| 5688974 | Process for the preparation of an endothelin antagonist | David M. Tschaen | 1997-11-18 |