Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673942 | Resolution of DL-racemic mixtures | Guenter Knaup, Karlheinz Drauz, Meir Lahav, David Zbaida | 2004-01-06 |
| 6455705 | 1-[N2-((S)-ethoxycarbonyl)-3-phenylproply)-N6-trifluoroacetyl]-L-ysyl-L-proline (lisinopril (TFA) ethyl ester, LPE) | Roland Moller, Michael Kraft, Karlheinz Drauz, Klaus Stingl | 2002-09-24 |
| 6251625 | Process for preparing peptides and N-carbamoyl-protected peptides | Andreas Bommarius, Karlheinz Drauz, Uwe Eichhorn, Hans-Dieter Jakubke | 2001-06-26 |
| 6093823 | Process for the continuous production of basic cyclic optically active .alpha.- amino acids | Klaus Stingl, Karlheinz Drauz | 2000-07-25 |
| 6090913 | Transesterification and other conversion reactions of acid derivatives, using an amidine base | Karlheinz Drauz, Thomas Muller, Dieter Seebach, Adrian Thaler | 2000-07-18 |
| 6018050 | Method of preparing optically active .alpha.-amino acids and .alpha.-amino acid derivatives | Hans-Josef Altenbach, Annegret Vogt, Mike Matthaus, Andreas Grundler, Michael Hahn | 2000-01-25 |
| 5994555 | Process for the production of a .beta.-amino alcohol | Karlheinz Drauz, Hans Hilpert | 1999-11-30 |
| 5932758 | Process for the production .beta.-amino-.alpha.-hydroxycarboxylic acids and derivatives thereof | Klaus Stingl, Karlheinz Drauz | 1999-08-03 |
| 5907044 | Method of isolating 1-N.sup.2 -((S)-ethoxycarbonyl)-3-phenylpropyl)-N.sup.6 -trifluoroacetyl!-L-lysyl-L-proline (lisinopril (TFA) ethyl ester, LPE) | Roland Moller, Michael Kraft, Karlheinz Drauz, Klaus Stingl | 1999-05-25 |
| 5859248 | Process for the production of a .beta.-amino alcohol | Karlheinz Drauz, Hans Hilpert | 1999-01-12 |
| 5744611 | Process for the reduction of amino acids and the derivatives thereof | Karlheinz Drauz, Hans Hilpert | 1998-04-28 |
| 5707837 | Method of producing (R)-tertiary leucine | Karlheinz Drauz, Andreas Bommarius | 1998-01-13 |
| 5631385 | Method for the preparation of N-substituted 4-ketoproline derivatives | Karlheinz Drauz, Klaus Stingl | 1997-05-20 |
| 5616727 | Process for purifying 1-[N.sup.2 -((S)-ethoxycarbonyl)-3-phenylpropyl)-N.sup.6 -trifluoroacetyl]-l-lysyl-l-proline (lisinopril (TFA) ethyl ester | Karlheinz Drauz | 1997-04-01 |
| 5608076 | Method of preparing amionoakylhydantoins and aminoalkyl-alpha-amino acids | Karlheinz Drauz, Andreas Bommarius | 1997-03-04 |
| 5585500 | Method of producing optically active pyrrolidines with high enantiomeric purity | Karlheinz Drauz, Michael Kraft, Michael Schwarm | 1996-12-17 |
| 5387696 | Reductive amination of an amino acid or of an amino acid derivative with an .alpha.-keto acid or an .alpha.-keto acid derivative | Karlheinz Drauz, Horst Harr | 1995-02-07 |
| 5386035 | Method of producing optically active 1,3-imidazolidine-4-ones | Dieter Seebach, Karlheinz Drauz, Hermann Lotter, Michael Schwarm | 1995-01-31 |