Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790931 | Method for producing sulfonated aromatic polymers and use of the process products for producing membranes | Wei Cui, Georg Frank | 2004-09-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790931 | Method for producing sulfonated aromatic polymers and use of the process products for producing membranes | Wei Cui, Georg Frank | 2004-09-14 |