Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690857 | Thermochromic effect pigment and process for producing the same | Magarete Herbski, Ian C. Sage | 1997-11-25 |
| 5656375 | Surface-modified flaky substrates having improved settling and redispersing characteristics | Gerhard Herget, Ralf Glausch, Roman Maisch | 1997-08-12 |
| 5618585 | Process for the production of a coated system | Wolfgang Hechler, Johann Dietz, Manfred Weigand | 1997-04-08 |