Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488724 | Heavy oils having improved properties and an additive therefor | Gunther Hertel, Hakan Byström, Geoffrey N. Richards | 2002-12-03 |
| 6465528 | Aromatic aldehyde resins and their use as emulsion breakers | Frank Holtrup, Elisabeth Wasmund, Wolfram Baumgärtner | 2002-10-15 |
| 6372918 | Compound for inhibiting corrosion | Peter Klug | 2002-04-16 |