Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913642 | Pigments having improved coloristic properties and process for their preparation | Yves Grandidier, Klaus Ruf, Urs Schlatter | 2005-07-05 |
| 6911074 | Pigments having improved coloristic properties and process for their preparation | Yves Grandidier, Klaus Ruf, Urs Schlatter | 2005-06-28 |
| 6911075 | Pigments having improved coloristic properties and process for their preparation | Yves Grandidier, Klaus Ruf, Urs Schlatter, Takashi Deno | 2005-06-28 |
| 4366271 | Process for the production of colorant preparations and the colorant preparations obtained thereby | — | 1982-12-28 |