Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8517291 | Process of manufacturing a co-ground calcium carbonate mineral of the GCC and PCC type with a specific steepness factor, obtained products and their uses | Christian Rainer | 2013-08-27 |
| 8002887 | Economical process of manufacturing very fine co-ground calcium carbonate material of the GCC and PCC type, obtained products and their uses | Christian Rainer | 2011-08-23 |
| 4650912 | Recovery of nitric acid from nitration spent acid by toluene extraction | Richard Van Court Carr, John E. Sawicki | 1987-03-17 |