Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |