Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416135 | Cationic layer compounds modified with polymers | Helmut Endres, Herbert Fischer, Frido Loeffelholz, Peter Wedl, Kurt Worschech +1 more | 1995-05-16 |
| 5416141 | Cationic modified layer compounds | Helmut Endres, Frido Loeffelholz, Peter Wedl, Kurt Worschech, Angela Hansen | 1995-05-16 |