Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773270 | Effect pigments | Gerhard Pfaff, Stephanie Andes, Ralf Petry, Michael Roesler, Sabine Schoen | 2023-10-03 |
| 8500901 | Interference pigments | Reinhold Rueger, Marcus Mathias, Helge Kniess | 2013-08-06 |
| 7604862 | Multilayer pigments based on glass flakes | Ralf Anselmann, Sabine Schoen | 2009-10-20 |
| 7226503 | Effect pigments based on coated glass flakes | Ralf Anselmann, Marcus Mathias | 2007-06-05 |
| 6132873 | Multilayered interference pigments | Johann Dietz, Manfred Parusel, Matthias Schilling | 2000-10-17 |
| 6019831 | Non-lustrous pigments | Christoph Schmidt, Claudia Seibel, Margarete Herbski, Ralf Emmert | 2000-02-01 |
| 5759257 | Color pigments | Matthias Schraml-Marth | 1998-06-02 |
| 5540769 | Platelet-like colored pigments and process for producing the same | Klaus-Dieter Franz, Stefan Wilhelm, Katsuhisa Nitta | 1996-07-30 |
| 5378400 | Preparation of metal oxide sols by electrolysis | Manfred Parusel, Klaus-Dieter Franz, Wolfgang Hechler, Matthias Schraml-Marth | 1995-01-03 |
| 5022923 | Pearl luster pigments stable to glaze and enamel | Axel Rau, Klaus-Dieter Franz | 1991-06-11 |
| 4867794 | Process for preparing rutile-coated mica pigments | August Knapp, Helmut Plamper, Reiner Esselborn | 1989-09-19 |
| 4744832 | Iron oxide coated perlescent pigments | Klaus-Dieter Franz | 1988-05-17 |
| 4668570 | Lacquering process using nacreous pigments | Reiner Esselborn, Hans-Joachim Graetz, Manfred Letsch | 1987-05-26 |
| 4482389 | Nacreous pigments | Klaus-Dieter Franz, Reiner Esselborn, Manfred Kieser | 1984-11-13 |