Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648956 | Pigment preparation | Wolfgang Hechler, Gerhard Herget, Sabine Schoen | 2003-11-18 |
| 6398862 | Pigment preparation | Wolfgang Hechler, Gerhard Herget | 2002-06-04 |
| 6265365 | Roller wash composition | Gerhard Herget, Rudiger Smolka | 2001-07-24 |
| 6139962 | Surface-modified platelet-shaped substrates | Gerhard Herget | 2000-10-31 |
| 5445671 | Offset printing ink | Gerhard Herget, Wolfgang Hechler, Heinz Mohr, Rudiger Smolka | 1995-08-29 |