Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7531492 | Composition for the removal of sidewall residues | Raimund Mellies, Lucia Arnold, Andrea Barko, Rudolf Rhein | 2009-05-12 |
| 7417016 | Composition for the removing of sidewall residues | Raimund Mellies, Lucia Arnold, Andrea Barko, Rudolf Rhein | 2008-08-26 |