Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6716889 | Process for the preparation of strongly basic anion exchangers using ethylene oxide | Holger Lutjens, Axel Ingendoh, Peter Wenzl, Klaus Rall | 2004-04-06 |
| 6596864 | Stilbene brightener | Uwe Vogt, Rolf Brockmann, Thomas Roick, Ulrich Feldhues | 2003-07-22 |
| 6576687 | Wet-strength agent with low DCP content | Joachim Konig, Karlheinrich Meisel, Fritz Puchner, Jurgen Reiners, Horst Zwick | 2003-06-10 |
| 5840902 | Process for the preparation of beta-hydroxyalkypicolinium salts | Karlheinrich Meisel, Klaus Walz, Gerd-Friedrich Renner, Hans Schulze, Carsten Gerdes +2 more | 1998-11-24 |
| 5463088 | Process for preparing perfluoroalkoxy (alkylthio) benzenes | Norbert Lui, Albrecht Marhold | 1995-10-31 |
| 5264632 | 2,2-difluorocyclopropyl derivatives | Bernd Baasner | 1993-11-23 |
| 5208388 | 2,2-difluorocyclopropyl derivatives | Bernd Baasner | 1993-05-04 |
| 5183932 | Herbicidal substituted 4-amino-5-alkylthio-1,2,4-triazol-3-ones | Klaus-Helmut Muller, Joachim Kluth, Klaus Konig, Kurt Findeisen, Markus Lindig +3 more | 1993-02-02 |
| 5171901 | Process for the preparation of 1,1,1,3,3,3-hexafluoropropane and 2-chloro-1,1,1,3,3,3-hexafluoropropane | Dietmar Bielefeldt, Albrecht Marhold, Hans-Helmut Schwarz | 1992-12-15 |
| 5169427 | Herbicidal cycloalkyl-substituted thiadiazolyloxyacetamides | Heinz Forster, Hans-Joachim Diehr, Bernd Baasner, Ernst Kysela, Albrecht Marhold +1 more | 1992-12-08 |
| 5166144 | O-halogenocyclobutyl s-alkyl (di)thiophosphoric acid ester-amides and their use as agents for combating pests | Bernd-Wieland Kruger, Dietmar Bielefeldt, Jurgen Hartwig, Wilhelm Stendel, Christoph Erdelen | 1992-11-24 |
| 5159111 | Fluorocyclopropyl derivative fungicide intermediates | Bernd Baasner | 1992-10-27 |
| 5124476 | Process for the preparation of .alpha.-fluoroacryloyl derivatives | Albrecht Marhold | 1992-06-23 |
| 5095147 | 2,2-difluorocyclopropyl derivatives | Bernd Baasner | 1992-03-10 |
| 5087775 | Process for the preparation of partially fluorinated alcohols | Dietmar Bielefeldt, Michael Negele, Heinz Ziemann | 1992-02-11 |
| 5081283 | Fluorocyclopropyl derivative fungicide intermediates | Bernd Baasner | 1992-01-14 |
| 5075494 | Process for the preparation of .alpha.-fluoroacrylic acid derivatives and new 1,1-difluoro-2-halogenoethyl (halogeno) methyl ketones | — | 1991-12-24 |
| 5072030 | Process for the fluorination of acrylic acid and derivatives thereof and novel fluorinated esters of 2,3-difluoropropionic acid | Dietmar Bielefeldt, Walter Lange | 1991-12-10 |
| 5047415 | 2,2-dihalogenocyclopropyl-hydroxy-ethyltriazoles | Udo Kraatz, Graham Holmwood, Stefan Dutzmann, Wilhelm Brandes | 1991-09-10 |
| 5021080 | Herbicidal substituted 4-amino-5-alkylthio-1,2,4-triazol-3-ones | Klaus-Helmut Muller, Joachim Kluth, Klaus Konig, Kurt Findeisen, Markus Lindig +3 more | 1991-06-04 |
| 4973583 | Pesticidal O-halogenocyclobutyl S-alkyl (di)thiphosph)(on)ates | Bernd-Wieland Kruger, Dietmar Bielefeldt, Bernhard Homeyer, Benedikt Becker, Hans-Detlef Matthaei +1 more | 1990-11-27 |