Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815542 | Tanning composition and method based on an acetal of an aldehydic tanning agent | Nina Schulte-Gauczinski, Grigore Daniel Herta, Jens Fennen | 2020-10-27 |
| 10604813 | Tanning composition and method based on an acetal of an aldehydic tanning agent | Nina Schulte, Grigore Daniel Herta, Jens Fennen | 2020-03-31 |