Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7777026 | Aminoalkyl-containing guar derivatives | Meinolf Brackhagen, Jurgen Engelhardt | 2010-08-17 |
| 7071326 | Anionic cellulose nitrate derivatives and aqueous dispersions thereof | Thomas Wagner, Klaus Nachtkamp | 2006-07-04 |