Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10676620 | Precipitated calcium carbonate with improved resistance to structural breakdown | Holger Spiegel, Wolfgang Kreuger, Joe Wenk, Michael Dalton, Aaro Salonen +3 more | 2020-06-09 |
| 10584038 | Process for the production of precipitated calcium carbonate | Marc Maurer, Luis PEDROSO, Holger Spiegel | 2020-03-10 |