Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832866 | Process for the production of free-flowing, stable foam inhibitor concentrates by compacting granulation | Paul Schulz, Juergen Waldmann, Franz-Josef Carduck, Edmund Schmadel | 1989-05-23 |
| 4801401 | Process for the production of a foam inhibitor mixture | Paul Schulz, Juergen Waldmann | 1989-01-31 |