Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706804 | Silica-filled elastomeric compounds | — | 2004-03-16 |
| 6677421 | Process for the preparation of isoolefin copolymers | Gerhard Langstein, Jurgen Ismeier, Martin Bohnenpoll, Hans Krauss | 2004-01-13 |