Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821933 | Additives for improving the cold flow properties and the storage stability of crude oil | Michael Feustel, Matthias Krull | 2004-11-23 |
| 6803492 | Additives based on components present in petroleum for improving the cold flow properties of crude and distillate oils | Michael Feustel, Utha Kentschke | 2004-10-12 |