Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870896 | Solid, particulate tanning agent preparations | Juergen Reiners, Holger Luetjens, Rafael Grosch, Franz Heinzelmann, Christopher Henzel | 2020-12-22 |
| 9376729 | Compositions comprising at least one compound containing a carbamoyl sulfonate group and use of the same as tanning agents | Jurgen Reiners, Jan-Dieter Wiechmann, Claudia Krüger, Rafael Grosch, Franz Heinzelmann +2 more | 2016-06-28 |