Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620233 | Goniochromatic luster pigments which are based on titanium dioxide-coated siliceous platelets heated in a reductive atmosphere | Oliver Seeger, Raimund Schmid, Norbert Mronga | 2003-09-16 |
| 5958126 | Bismuth vanadate pigments | Boubacar Camara, Norbert Mronga | 1999-09-28 |
| 5763086 | Goniochromatic luster pigments with silicon-containing coating | Raimund Schmid, Norbert Mronga | 1998-06-09 |
| 5733364 | Goniochromatic luster pigments with aluminum coating | Raimund Schmid, Norbert Mronga | 1998-03-31 |
| 5614346 | Metal oxide- and metal-coated carriers for electrophotography | Rainer Dyllick-Brenzinger | 1997-03-25 |
| 5534378 | Carriers doubly coated with metal oxide and intended for electro-photography | Rainer Dyllick-Brenzinger | 1996-07-09 |
| 5512264 | Finely divided blue molybdenum oxide | Erwin Czech | 1996-04-30 |