Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10611725 | Beta-naphthol ether sulfonates, processes for preparing them and use thereof as brightness improvers | Sophie Maitro-Vogel, Tobias Urban, Silke Annika Koehler | 2020-04-07 |