Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10597539 | Chromium-free coating for the electrical insulation of grain-oriented electrical steel strip | Reiner Wark, Ramona Hochstrate | 2020-03-24 |
| 10227686 | Pretreating zinc surfaces prior to a passivating process | Andreas Arnold, Michael Wolpers, Marcel Roth | 2019-03-12 |
| 10106689 | Metal pretreatment compositions comprising silanes and organophosporus acids | Michael Wolpers, Juergen Stodt, Qi Zhang, Junjun Wan | 2018-10-23 |
| 10053583 | Metal pretreatment with acidic aqueous compositions comprising silanes | Michael Wolpers, Jurgen Stodt, Qi Zhang, Junjun Wan | 2018-08-21 |
| 10011915 | Multistage pretreatment of tinplate prior to the coating thereof with lacquer | Michael Wolpers, Marcel Roth, Jurgen Stodt | 2018-07-03 |
| 9909227 | Pretreatment of tinplate prior to the coating thereof with lacquer | Michael Wolpers, Marcel Roth, Jurgen Stodt | 2018-03-06 |
| 9637662 | Multi-stage method for the coating of steel prior to hot forming | Marcel Roth, Reiner Wark, Thomas Moeller, Eva Wilke, Manuela Goeske-Krajnc | 2017-05-02 |
| 9217126 | Photolabile fragrance storage substances | Ursula Huchel, Christian Kropf, Axel Griesbeck, Olga Hinze | 2015-12-22 |
| 6825377 | Method for the dihydroxylation of olefins using transition metal catalysts | Matthias Beller, Christian Döbler, Gerald Mehltretter | 2004-11-30 |
| 6790997 | Preparation of carbonyl compounds from alcohols | Markus Eckert, Hans-Christian Militzer, Matthias Beller, Christian Döbler, Gerald Mehltretter | 2004-09-14 |
| 6472570 | Method for the asymmetric dihydroxylation of olefins, using osmium catalysts | Matthias Beller, Christian Döbler, Gerald Mehltretter | 2002-10-29 |