Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807955 | Process for the preparation of a 2-pyridylethylcarboxamide derivative | Wahed Ahmed Moradi, Albert Schnatterer, Rolf Gertzmann, Dirk HAVEKOST | 2020-10-20 |
| 6613948 | Process for the preparation of 2,3,4,5-tetrafluorobenzene derivatives | Otto Neuner, Norbert Lui, Michael Holzbrecher | 2003-09-02 |
| 6414192 | Process for preparing 4-aminodiphenylamine | Michael Schelhaas, Carl Casser, Pieter Ooms, Joachim Haider, Manfred Jautelat +2 more | 2002-07-02 |
| 6265430 | 3-thiocarbamoylpyrazole derivatives as pesticides | Bernd Alig, Achim Bertsch, Norbert Lui, Albrecht Marhold, Christoph Erdelen +3 more | 2001-07-24 |
| 6153761 | Sulphonylaminocarbonyltriazolinones having halogenoalkylthio substituents | Klaus-Helmut Muller, Rolf Kirsten, Ernst Rudolf F. Gesing, Joachim Kluth, Kurt Findeisen +6 more | 2000-11-28 |
| 6107336 | Dihydrofuran carboxamides | Hans-Ludwig Elbe, Franz Kunisch, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann +2 more | 2000-08-22 |
| 6075160 | 4-cyano-2,5-difluoroaniline preparation process | Albrecht Marhold, Bernd Gallenkamp | 2000-06-13 |
| 6054473 | 1,3-dimethyl-5-fluoro-pyrazole-4-carboxamide derivatives, their preparation and their use as microbicides | Hans-Ludwig Elbe, Ralf Tiemann, Stefan Dutzmann, Klaus Stenzel, Martin Kugler +1 more | 2000-04-25 |
| 6054589 | Process for preparing 2-chloro-benzimidazole derivatives | Michael Conrad, Lutz Assmann, Heinz-Jurgen Wroblowsky, Carl Casser | 2000-04-25 |
| 6028200 | Process for preparing 2-chloro-benzimidazole derivatives | Michael Conrad, Lutz Assmann, Heinz-Jurgen Wroblowsky, Carl Casser | 2000-02-22 |
| 5994273 | Herbicidal or fungicidal sulphonylaminocarbonyltriazolinones with halogenated alk(en)ylthio substituents | Klaus-Helmut Muller, Rolf Kirsten, Ernst Rudolf F. Gesing, Joachim Kluth, Kurt Findeisen +6 more | 1999-11-30 |
| 5969197 | Process for the preparation of chloro-fluoro-butenes | Norbert Lui, Albrecht Marhold | 1999-10-19 |
| 5672787 | Process for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phase | Norbert Lui, Albrecht Marhold | 1997-09-30 |
| 5646196 | C.sub.3 to C.sub.5 polyfluorcalkanes propellants | Claus-Dieter Sommerfeld, Wilhelm Lamberts, Albrecht Marhold, Michael Negele | 1997-07-08 |
| 5624970 | C.sub.3 to C.sub.5 polyfluorcalkanes propellants | Claus-Dieter Sommerfeld, Wilhelm Lamberts, Albrecht Marhold, Michael Negele | 1997-04-29 |
| 5536890 | Process for preparing hexafluorobutane | Albrecht Marhold | 1996-07-16 |
| 5530169 | Process for the preparation of saturated, fluorine-containing and chlorine-free hydrocarbons | Rudolf Braden, Michael Negele, Heinz Ziemann | 1996-06-25 |
| 5523497 | Process for preparing hexafluorochlorobutenes | Norbert Lui, Albrecht Marhold | 1996-06-04 |
| 5496867 | C.sub.3 to C.sub.5 polyfluoroalkanes propellants | Calus-Dieter Sommerfeld, Wilhelm Lamberts, Albrecht Marhold, Michael Negele | 1996-03-05 |
| 5496866 | C.sub.3 to C.sub.5 polyfluoroalkanes propellants | Claus-Dieter Sommerfeld, Wilhelm Lamberts, Albrecht Marhold, Michael Negele | 1996-03-05 |
| 5463150 | Process for preparing hexafluorobutene | Norbert Lui, Albrecht Marhold | 1995-10-31 |
| 5455376 | Process for the preparation of aliphatic omega-difluorocarboxyl compounds | — | 1995-10-03 |
| 5354884 | Optically active N-.alpha.-fluoroacryloylamino acid derivatives for the resolution of racemates | Rolf Grosser, Walter Lange, Bruno Bomer, Dieter Arlt | 1994-10-11 |
| 5315047 | Process for the preparation of hexafluorobutane, and intermediates thereby obtainable | Norbert Lui, Albrecht Marhold | 1994-05-24 |
| 5306849 | Process for the preparation of halogenated aromatics | Norbert Lui, Albrecht Marhold | 1994-04-26 |