Issued Patents All Time
Showing 51–75 of 98 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478960 | Process for the preparation of heterosubstituted acetals | Heinz Landscheidt | 1995-12-26 |
| 5476959 | Process for the preparation of dialkyl carbonates | Konrad Hable, Zoltan Kricsfalussy, Heinz Landscheidt, Erich Wolters, Eberhard Zirngiebl | 1995-12-19 |
| 5463034 | Polysaccharides, process for their preparation and their use | Hans-Josef Buysch, Klaus Szablikowski, Klaus Balser, Michaela Wilke | 1995-10-31 |
| 5462943 | Substituted acetic acid esters useful as pesticides per se and as intermediates for substitued acrylic esters pesticides | Thomas Seitz, Dieter Berg, Ulrike Wachendorff-Neumann, Christoph Erdelen, Gerd Hanssler +2 more | 1995-10-31 |
| 5455368 | Process for separating off methanol from a mixture of dimethyl carbonate and methanol | Ingo Janisch, Heinz Landscheidt, Werner Struver | 1995-10-03 |
| 5449806 | Process for the preparation of dialkyl carbonates | Heinz Landscheidt, Reinhard Langer, Paul Wagner | 1995-09-12 |
| 5434267 | Process for the preparation of substituted 3-alkoxyacrylates | Helmut Kraus, Hans-Joachim Diehr | 1995-07-18 |
| 5420284 | Process for the preparation of 2-substituted 5-alkyl-pyridines | Helmut Kraus, Hauke Furstenwerth | 1995-05-30 |
| 5414104 | Process for preparing dialkyl carbonates | Joerg-Dietrich Jentsch, Heinz Landscheidt, Erich Wolters, Eberhard Zirngiebl | 1995-05-09 |
| 5412100 | Fungicidal substituted acrylic esters | Gerd Kleefeld, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler | 1995-05-02 |
| 5412147 | Process for the continuous preparation of alkyl nitrites | Heinz Landscheidt, Paul Wagner | 1995-05-02 |
| 5391767 | Process for the preparation of alkylene carbonates | Franz-Josef Mais, Hans-Josef Buysch, Christine Mendoza-Frohn | 1995-02-21 |
| 5371095 | Pyridyl compounds which have pesticidal activity | Peter C. Knuppel, Ralf Tiemann, Stefan Dutzmann, Heinz-Wilhelm Dehne, Ulrike Wachendorff-Neumann | 1994-12-06 |
| 5360923 | Process for separating off alkanols, mixtures of alkanols and water or water itself from oxygen-containing organic compounds of higher carbon number | Andreas Nickel, Wolfgang Arlt, Ingo Janisch, Paul Wagner | 1994-11-01 |
| 5360922 | Process for the preparation of dialkyl carbonates | Erich Wolters, Heinz Landscheidt, Lothar Puppe | 1994-11-01 |
| 5359118 | Process for the continuous preparation of dialkyl carbonates | Paul Wagner, Franz-Josef Mais, Hans-Josef Buysch, Reinhard Langer | 1994-10-25 |
| 5350862 | Process for the preparation of ethylene glycol carbonate | Paul Wagner, Hans-Josef Buysch, Franz-Josef Mais, Christine Mendoza-Frohn | 1994-09-27 |
| 5319124 | Process for the preparation of dialkyl carbonates | Erich Wolters, Heinz Landscheidt, Lothar Puppe | 1994-06-07 |
| 5310919 | Pesticidal pyridyl-substituted acrylic esters | Gerd Kleefeld, Dieter Berg, Stefan Dutzmann, Gerd Hanssler | 1994-05-10 |
| 5310849 | Amino and ammonium isocyanates, a process for their preparation, their use for the production of polymers containing ammonium groups and the polymers thus produced | Hans-Josef Buysch, Klaus Konig, Klaus Szablikowski, Jorn Breckwoldt | 1994-05-10 |
| 5304680 | Process for the preparation of aromatic amines which are substituted by C.sub.1 -C.sub.4 -alkoxy in the p-position | Heinz Landscheidt, Heinz U. Blank | 1994-04-19 |
| 5302742 | Process for the preparation of N-acylated p-amino-phenols | Heinz Landscheidt, Heinz U. Blank | 1994-04-12 |
| 5292889 | Fungicidal and insecticidal substituted-heterocyclyl-acrylic esters | Dieter Berg, Thomas Seitz, Wilhelm Brandes, Stefan Dutzmann, Gerd Hanssler +1 more | 1994-03-08 |
| 5288894 | Process for the preparation of dialkyl carbonates | Heinz Landscheidt, Erich Wolters, Heinz U. Blank, Udo Birkenstock | 1994-02-22 |
| 5274163 | Process for the preparation of dialkyl carbonates | Johann Rechner, Hans-Josef Buysch, Paul Wagner | 1993-12-28 |