Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790931 | Method for producing sulfonated aromatic polymers and use of the process products for producing membranes | Thomas Soczka-Guth, Georg Frank | 2004-09-14 |
| 6759441 | Acid-base polymer blends and their use in membrane processes | Jochen Kerres | 2004-07-06 |