Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451943 | Process for the oxidation of alcohols using homogeneously soluble polymer-enlarged nitrogen compounds as the catalyst | Olaf Burkhardt, Jens Woeltinger, Andreas Karau, Jean-Louis Philippe, Hans Henniges +2 more | 2002-09-17 |
| 6252073 | Method of producing alkali metal salts or alkaline earth metal salts of 2,4-dichloro-6-hydroxy-s-triazine | Manfred Schmidt, Christoph Klatte, Kurt Kunz, Josef Leutner, Jurgen Ohlemacher | 2001-06-26 |
| 6060571 | Acrolein-releasing copolymers | Peter Werle, Martin Trageser, Franz Kunz | 2000-05-09 |
| 5917094 | Acrolein-releasing emulsion homopolymers | Peter Werle, Martin Trageser | 1999-06-29 |
| 5856478 | Anellated (oxa)hydantoins and their use as herbicides | Matthias Schafer, Helmut Baier, Karlheinz Drauz, Sabine Landmann | 1999-01-05 |
| 5661109 | Anellated (oxa)hydantoins and their use as herbicides | Matthias Schafer, Helmut Baier, Karlheinz Drauz, Sabine Landmann | 1997-08-26 |
| 5116872 | Microbicidal compositions | Peter Ackermann, Hanspeter Fischer, Rolf Vogel, Karlheinz Drauz, Hans-Albrecht Hasseberg +3 more | 1992-05-26 |
| 4952706 | Derivatives of 2-pyrrolidone-5-carboxylic acid and method of obtaining them | Karlheinz Drauz | 1990-08-28 |
| 4946968 | Method of preparing alkali metal salts of 2-pyrrolidone-5-carboxylic acid | Karlheinz Drauz, Hans Remmel | 1990-08-07 |
| 4921971 | Method of preparing alkaline earth metal salts of 2-pyrrolidone-5-carboxylic acid | Karlheinz Drauz, Silvia Werner | 1990-05-01 |
| 4918223 | Method of preparing N-acylated mercapto-alpha-amino acids | Karlheinz Drauz | 1990-04-17 |
| 4918224 | Method of preparing salts of N-acetyl cysteine or N-acetyl homocysteine | Karlheinz Drauz | 1990-04-17 |