Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6680271 | Solid zeolite granulates having improved abrasion resistance, and methods of making them | Frank Heindl, Eckehart Roland, Elke Kossel | 2004-01-20 |
| 6593270 | Moldings based on pyrogenic silicon dioxide | Helmfried Krause, Hermanus Gerhardus Jozef Lansink Rotgerink, Thomas Tacke, Peter Panster | 2003-07-15 |
| 5958588 | Process for preparing alkali metal cyanide and alkaline earth metal cyanide granules and the high purity alkali metal cyanide granules obtainable thereby | Rudiger Schutte, Hans Christian Alt, Catrin Becker-Balfanz, Manfred Sauer, Lukas von Hippel +1 more | 1999-09-28 |