Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7368590 | Method for separating aluminium chloride from organochlorosilanes | Wilfried Kalchauer | 2008-05-06 |
| 6939984 | Process for preparing alkylchlorosilanes from the residues of direct synthesis of alkylchlorsilanes | — | 2005-09-06 |
| 6541650 | Process for preparing silanes | Willi Streckel, Wilfried Kalchauer | 2003-04-01 |
| 6465674 | Dust recirculation in the direct synthesis of chlorosilanes and methylchlorosilanes in a fluidized bed | Wilfried Kalchauer, Willi Streckel, Jochen Gross | 2002-10-15 |
| 6323357 | Process for the direct synthesis of organochlorosilanes using recovered CuCl catalyst | Wilfried Kalchauer, Willibald Streckel, Ulrich Goetze | 2001-11-27 |
| 6252102 | Process for the preparation of methylchlorosilanes | Wilfried Kalchauer, Willibald Streckel, Jochen Gross | 2001-06-26 |
| 6211394 | Process for the preparation of organochlorosilanes | Wilfried Kalchauer, Willibald Streckel, Jochen Gross | 2001-04-03 |
| 6175030 | Process for the preparation of organochlorosilanes | Wilfried Kalchauer, Willibald Streckel, Ulrich Goetze | 2001-01-16 |
| 6069266 | Process for preparing organochlorosilanes | Wilfried Kalchauer, Willi Streckel | 2000-05-30 |
| 5981784 | Process for preparing organochlorosilanes | Wilfried Kalchauer, Willi Streckel | 1999-11-09 |
| 5877337 | Process for preparing alkylchlorosilanes from the residues of direct synthesis of alkylchlorosilanes | Konrad Mautner, Anton Schinabeck | 1999-03-02 |
| 5777146 | Process for preparing methylchlorosilanes | Willi Streckel, Bernd Pachaly, Markus Reindl | 1998-07-07 |
| 5512662 | Process for preparing methylchlorosilanes | Wilfried Kalchauer, Bernd Pachaly, Willi Streckel | 1996-04-30 |
| 5334738 | Process for the preparation of methylchlorosilanes | Bernd Pachaly, Volker Frey | 1994-08-02 |
| 5306328 | Process for the preparation of copper powder | Willi Streckel, Bernd Pachaly | 1994-04-26 |
| 4534791 | Process for treating silicon and ferrosilicon with slag | Anton More, Winfried Lang, Rudolf Riedle, Willi Streckel | 1985-08-13 |
| 4224297 | Method for reactivating a residue containing elemental silicon | Willi Streckel, Rudolf Riedle | 1980-09-23 |