Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292365 | Mineral fillers and pigments containing carbonate | — | 1994-03-08 |
| 4284546 | Coating substances with a high concentration of solids, for coated papers | Dieter Strauch | 1981-08-18 |