Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494947 | Crimson-colored pigment composition and the utilization thereof | Yves Grandidier, Klaus Ruf | 2002-12-17 |
| 6013307 | Method of producing forgery-proof colored printed articles | Werner Helmut Gerber, Abul Iqbal, Pierre Maurer | 2000-01-11 |
| 6001168 | Pigment dispersions comprising C.I. Pigment Red 222 | Veronique Hall-Goulle, Yves Grandidier | 1999-12-14 |
| 5106417 | Aqueous printing ink compositions for ink jet printing | Karin Reiniger | 1992-04-21 |
| 4407882 | Printing ink compositions and use thereof for the production of textured foamed resin materials | Peter Eckert | 1983-10-04 |