Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5427992 | Process for preparing solutions of oligomeric methylaluminoxanes | Jurgen Graefe, Stefan Gurtzgen, Karl-Heinz Muller, Jürgen Schneider | 1995-06-27 |
| 5403942 | Process for the preparation of aluminoxanes | Ralf Becker, Stefan Gurtzgen | 1995-04-04 |
| 5380898 | Process for preparing trimethylaluminum by reacting methylaluminum chlorides with sodium in solids reactors | Stefan Gurtzgen, Jürgen Schneider | 1995-01-10 |
| 5359116 | Process for preparing trimethylaluminum by reducing methylaluminum chlorides with sodium using high shearing forces | Ralf Becker, Stefan Gurtzgen, Jürgen Schneider | 1994-10-25 |
| 4698437 | Alkali metal dialkylaluminum dihydrides and solutions thereof in aromatic hydrocarbons | Ulrich Schroeer | 1987-10-06 |
| 4522010 | Method of constructing a large spherical tank supported by a skirt on land | — | 1985-06-11 |
| 4497101 | Method and apparatus for the manufacture of a three-dimensional, shaped graphite electrode utilizing a three-dimensional, shaped file | — | 1985-02-05 |