Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762144 | Processes for producing a blended bleaching clay product and blended bleaching clay products produced by those processes | Christian Farby | 2004-07-13 |
| 6759359 | Processes for producing a bleaching clay product | David L. Hill, Christian Fabry | 2004-07-06 |