Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419735 | Composition based on samarium sesquisulphide, preparation method and use as coloring pigment | Pierre Macaudiere | 2002-07-16 |
| 6136084 | Sulphur compounds coated with a zinc compound for use as pigments | Pierre Macaudiere | 2000-10-24 |