Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10836658 | Liquid preparation for the reduction of free oxygen and the preservation of water | Ralf Gradtke, Wolfgang Beilfuss, Michael Streek | 2020-11-17 |
| 10640714 | Use of compositions having a content of 3,3′-methylenebis(5-methyloxazolidine) in the removal of sulphur compounds from process streams | Wolfgang Beilfuss, Ralf Gradtke, Stefanie Krause, Michael Streek, Joachim Thiede +1 more | 2020-05-05 |
| 10584283 | Preservative for technical products | Wolfgang Beilfuss, Ralf Gradtke | 2020-03-10 |