Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8476468 | Removal of extraneous metals from silicon compounds by adsorption and/or filtration | Ekkehard Mueh | 2013-07-02 |
| 8246925 | Processing of chlorosilane flows containing boron | Christoph Schwarz, Dorothea Schwarz, Ingo Pauli, Andreas Nelte, Harald Seiler | 2012-08-21 |
| 8221593 | Reactor, plant and industrial process for the continuous preparation of high-purity silicon tetrachloride or high-purity germanium tetrachloride | Juergen Erwin Lang, Rainer Nicolai | 2012-07-17 |
| 8002954 | Process and apparatus for purifying silicon tetrachloride or germanium tetrachloride containing hydrogen compounds | Hanns-Peter Popp, Rainer Nicolai, Jurgen Lang | 2011-08-23 |
| 7507850 | Preparation of organosilane esters | Ekkehard Müh, Harald Klein | 2009-03-24 |
| 7423186 | Process for preparing alkoxy-pure alkaline earth alkoxides | Burkhard Standke | 2008-09-09 |
| 7410914 | Process for producing low-k dielectric films | Adolf Kuehnle, Carsten Jost, Come Rentrop, Roelant Van Dam, Klaas Timmer +1 more | 2008-08-12 |
| 7204963 | Process for the separation of chlorosilanes from gas streams | Franz-Michael Bollenrath, Harald Seiler, Mieczyslaw Kuzma, Christoph Koopmann | 2007-04-17 |
| 6750361 | Cleavage of cyclic organosilanes in the preparation of aminofunctional organoalkoxysilanes | Frank Kropfgans | 2004-06-15 |
| 6680038 | Process for the separation of chlorosilanes from gas streams | Franz-Michael Bollenrath, Harald Seiler, Mieczyslaw Kuzma, Christoph Koopmann | 2004-01-20 |
| 6585941 | Apparatus and process for filling and emptying a vessel charged with flammable and aggressive gas | Lothar Zehe, Mieczyslaw Kuzma | 2003-07-01 |
| 6423858 | Manufacturing process for aminoalkyl silanes | Christoph Schwarz, Frank Kropfgans, Hermann-Josef Korte | 2002-07-23 |
| 6402961 | Process for preparing epoxysilanes | Stefan Bade, Uwe Schoen | 2002-06-11 |
| 6372190 | Process for filling and emptying a vessel charged with flammable and aggressive gas | Lothar Zehe, Mieczyslaw Kuzma | 2002-04-16 |
| 6297188 | Magnesium ethoxide having a high coarse particle content, process for its preparation and its use | Reinhold Schork, Burkhard Standke, Albert-Johannes Frings, Michael Horn, Peter Jenkner +1 more | 2001-10-02 |
| 6294682 | Alkoxides with alkaline earths and titanium, zirconium and/or hafnium, their production and use | Burkhard Standke, Michael Horn, Hans-Joachim Kotzsch, Hans-Gunther Srebny | 2001-09-25 |
| 6291698 | Process for preparing vinyl chlorosilanes | Stefan Bade, Bernt Kesper, Robert Koell, Uwe Schoen | 2001-09-18 |
| 6242630 | Process for the continuous preparation of 3-halopropylorganosilanes | Stefan Bade, Uwe Schoen, John Burkhard, Franz-Michael Bollenrath, Norbert Hofmann +2 more | 2001-06-05 |
| 6242628 | Process for preparing alkoxysilanes | Frank Kropfgans, Reinhold Schork | 2001-06-05 |
| 6222056 | Process for preparing vinylchlorosilanes | Stefan Bade, Uwe Schoen, Franz-Michael Bollenrath | 2001-04-24 |
| 6150551 | Process for preparing low-chloride or chloride-free alkoxysilanes | Frank Kropfgans | 2000-11-21 |
| 6142024 | Apparatus and method for sampling and IR-spectroscopic analysis of high-purity, hygroscopic liquids | Klaus-Dieter Krieger, Lothar Zehe | 2000-11-07 |
| 5939575 | Process for the continuous preparation of acyloxysilanes | Michael Horn, Claus-Dietrich Seiler, Jaroslaw Monkiewicz | 1999-08-17 |
| 5852206 | Process for removing residual acidic chlorine from acyloxysilanes | Michael Horn, Claus-Dietrich Seiler, Jaroslaw Monkiewicz | 1998-12-22 |
| 5786493 | Cyclic silane esters and solvolysis products thereof, and processes for the preparation of the cyclic silane esters and the solvolysis products | Hans-Joachim Koetzsch, Jaroslaw Monkiewicz, Claus-Dietrich Seiler, Hans-Guenther Srebny | 1998-07-28 |