Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6841144 | Method for the production of a titanium-containing zeolite | Steffon Hasenzahl, Klaus Heyne | 2005-01-11 |
| 4551322 | Process for preparing zeolite powder of type A (IV) | Hans Strack, Wolfgang Roebke, Ehrfried Parr | 1985-11-05 |
| 4305916 | Crystalline zeolite powder of type A (III) | Hans Strack, Wolfgang Roebke, Ehrfried Parr | 1981-12-15 |
| 4303629 | Crystalline zeolite powder of type A (I) | Hans Strack, Wolfgang Roebke, Ehrfried Parr | 1981-12-01 |
| 4303628 | Crystalline zeolite powder of type A (IV) | Hans Strack, Wolfgang Roebke, Ehrfried Parr | 1981-12-01 |
| 4303626 | Crystalline zeolite powder of type A (V) | Hans Strack, Wolfgang Roebke, Ehrfried Parr | 1981-12-01 |
| 4303627 | Crystalline zeolite powder of type A (VI) | Hans Strack, Wolfgang Roebke, Ehrfried Parr | 1981-12-01 |
| 4222995 | Process for the production of aluminum silicates | Wolfgang Roebke, Erfried Parr | 1980-09-16 |