Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389402 | Method of producing decorations which are color-stable in a porcelain firing and a pigment composition suitable therefor | Dietrich Speer, Akos Kiss, Jenny Horst, Rita Loew | 1995-02-14 |
| 5000865 | Method for the production of alkaline-earth ferrites and lead ferrites for memory cores | Dietrich Speer, Peter Kleinschmit | 1991-03-19 |
| 4874433 | Methods of preparing encapsulated pigments | Akos Kiss, Peter Kleinschmit, Juergen Hanich, Jenny Horst | 1989-10-17 |