Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9620257 | Composition made of polymers and electrically conductive carbon | Kathrin Lehmann, Peter Schwab | 2017-04-11 |
| 7931747 | Hydrophobized cement-containing compositions | Bernd Weyershausen, Markus Roos, Frank Koenig | 2011-04-26 |