Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9322104 | Recovering lead from a mixed oxidized material | David Dreisinger, Zhenghui Wu | 2016-04-26 |
| 9322105 | Recovering lead from a lead material including lead sulfide | David Dreisinger, Zhenghui Wu | 2016-04-26 |
| 8535450 | Formulations, their use as or for producing dishwashing compositions and their preparation | Stephan Hueffer, Markus Hartmann, Sonja Fischer | 2013-09-17 |