Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681876 | Pulverulent pigment preparation | Manfred Schneider, Dieter Schnaitmann, Rainer Klein | 1997-10-28 |
| 5440060 | Surface-active compounds based on alkoxylated fatty amines | Heinz Uhrig | 1995-08-08 |
| 5420315 | Surface-active compounds based on modified castor oil fatty substances | Heinz Uhrig | 1995-05-30 |
| 4986851 | Pigment dispersions, processes for their preparation and their use | Erwin Dietz, Ferdinand Memmel | 1991-01-22 |
| 4812492 | Aqueous pigment preparation, and the use thereof | Helmut Eckes, Rainer Winter | 1989-03-14 |
| 4631330 | Addition compounds and process for their preparation | Erwin Dietz, Otmar Hafner, Wolfgang Rieper, Adolf Kroh | 1986-12-23 |
| 4451656 | Imidazoline addition compounds | Erwin Dietz | 1984-05-29 |