Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7250521 | Method for production of Δ1-pyrrolines | Udo Kraatz, Andrew Plant, Albrecht Marhold | 2007-07-31 |
| 6455725 | Substituted cinnamic acids and cinnamic acid esters | Walter Lange, Joachim Komoschinski, Guido Steffan | 2002-09-24 |
| 6137011 | Process for the preparation of bistrifluoromethylbenzylamines | Albrecht Marhold | 2000-10-24 |
| 6031134 | Process for the preparation of 2-amino-2-arylethanols and novel intermediates | Reinhard Lantzsch, Albrecht Marhold | 2000-02-29 |
| 6022995 | Process for the preparation of 2-amino-2-arylethanols and novel intermediates | Reinhard Lantzsch, Albrecht Marhold | 2000-02-08 |
| 5925788 | Method of preparing 2-trifluoromethoxy-benzenesulphonamide | Reinhard Lantzsch, Albrecht Marhold | 1999-07-20 |
| 5858922 | Herbicidal fluorothiadiazolyl oxyacetamides | Heinz Forster, Achim Bertsch, Stefan Bohm, Hans-Joachim Diehr, Markus Dollinger +1 more | 1999-01-12 |
| 5744633 | Process for the production of diurethanes and their use for the production of diisocyanates | Oswald Wilmes, Eberhard Konig, Klaus Nachtkamp | 1998-04-28 |
| 5602282 | Process for the preparation of 2-amino-2-arylethanols and novel intermediates | Reinhard Lantzsch, Albrecht Marhold | 1997-02-11 |
| 5319074 | Bifunctional reactive dyestuffs containing vinylsulphone or alkylsulphone groups and a 2,4 difluoro pyrimidine group | Wolfram Reddig, Karl-Josef Herd | 1994-06-07 |
| 5175336 | Fluoromethylated polycyanobenzenes, their alkali metal cyanide adducts, processes for their preparation and use of the fluoromethylated polycyanobenzenes | Gunther Beck, Wolfgang von der Emden, Helmut Heitzer, Friedrich W. Krock, Albrecht Marhold | 1992-12-29 |
| 5169427 | Herbicidal cycloalkyl-substituted thiadiazolyloxyacetamides | Heinz Forster, Hans-Joachim Diehr, Bernd Baasner, Albrecht Marhold, Karl-Rudolf Gassen +1 more | 1992-12-08 |
| 5142092 | Fluorine-containing acetophenones optionally halogenated on the CH.sub.3 -group and their precurser fluorine-containing benzonitriles | Bernd Baasner, Klaus Schaller | 1992-08-25 |
| 5138056 | Polycyanopyrimidines and process for their preparation | Gunther Beck | 1992-08-11 |
| 5097050 | Aryl-alkinyl halocycloalkyl oxiranes | Reinhard Lantzcsh, Karl H. Buchel, Stefan Dutzmann, Wilheim Brandes, Gerd Hanssler | 1992-03-17 |
| 5068343 | 4-substituted 5-chloro-2-hydrazinothiazoles | Gunter Beck, Rudolf Braden | 1991-11-26 |
| 5025030 | Hydroxyalkinyl-azolyl derivatives | Reinhard Lantzsch, Karl H. Buchel, Stefan Dutzmann, Wilhelm Brandes, Gerd Hanssler | 1991-06-18 |
| 4990661 | Process for the preparation of benzoic acid derivatives | Uwe Petersen, Michael Schriewer, Klaus Grohe | 1991-02-05 |
| 4990637 | 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides | Christa Fest, Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel +2 more | 1991-02-05 |
| 4978382 | Pesticides based on 2-halogenoalkylthio-substituted pyrimidine derivatives | Udo Kraatz, Jurgen Hartwig, Benedikt Becker | 1990-12-18 |
| 4978769 | Process for introducing fluorine atoms into aromatic rings by nucleophilic exchange | Rudolf Braden | 1990-12-18 |
| 4956370 | Antimycotically active substituted 2-aminothiazoles | Joachim Ippen, Bernd Baasner, Albrecht Marhold, Klaus Schaller, Miklos von Bittera | 1990-09-11 |
| 4927454 | Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides | Christa Fest, Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel +2 more | 1990-05-22 |
| 4851160 | Process for the preparation of benzoic acid derivatives | Uwe Petersen, Michael Schriewer, Klaus Grohe | 1989-07-25 |
| 4806147 | Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides | Christa Fest, Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel +2 more | 1989-02-21 |