Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7872061 | Preparation of additive mixtures for mineral oils and mineral oil distillates | Matthias Krull, Curd-Werner Adams, Werner Reimann | 2011-01-18 |
| 7014667 | Preparation of additive mixtures for mineral oils and mineral oil distillates | Matthias Krull, Curd-Werner Adams, Werner Reimann | 2006-03-21 |
| 6969746 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates | Matthias Krull, Werner Reimann, Wilhelm Zoller, Di Heinz Dieter Bühnen | 2005-11-29 |
| 6762253 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates | Matthias Krull, Werner Reimann, Wilhelm Zoller, Heinz Dieter Bühnen | 2004-07-13 |
| 6509424 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates | Matthias Krull, Werner Reimann, Wilhelm Zoller, Heinz Dieter Bühnen | 2003-01-21 |
| 5496482 | Process for the preparation of alkali metal acetates | Gu/ nther Schimmel, Johannes Himmrich | 1996-03-05 |
| 5238592 | Liquid de-icing agent based on acetates and process for melting snow and ice on traffic surfaces with the aid of this agent | Achim Stankowiak, Josef Kapfinger | 1993-08-24 |
| 4971778 | Process for working up phosphoric acid | Gunther Schimmel, Jens Tiedemann | 1990-11-20 |
| 4906445 | Continuous process for complete removal or organic impurities from and complete decolorization of prepurified wet-process phosphoric acid | Gunther Schimmel, Gero Heymer, Friedrich Kolkmann | 1990-03-06 |