Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656375 | Surface-modified flaky substrates having improved settling and redispersing characteristics | Karl Osterried, Ralf Glausch, Roman Maisch | 1997-08-12 |
| 5629480 | Rock extensometer | — | 1997-05-13 |
| 5618342 | Pigment preparation | Otto Stahlecker, Manfred Kieser | 1997-04-08 |