Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475250 | Multifunctional additive for fuel oils | Matthias Krull | 2002-11-05 |
| 6461393 | Mixtures of carboxylic acids, their derivatives and hydroxyl-containing polymers and their use for improving the lubricating effect of oils | Matthias Krull | 2002-10-08 |