Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8129556 | Process for preparing organosilanes | Karsten Korth, Ingo Kiefer, Alfred Alig, Helmut Droege, Sefan Koenigstein +1 more | 2012-03-06 |
| 7767742 | Organosilicon compounds, process for their production and their use | Roland Krafczyk, Hans-Detlef Luginsland, Reimund Pieter, Andre Hasse, Melanie Mayer | 2010-08-03 |
| 7423165 | Organosilicon compounds | Karsten Korth, Philipp Albert, Reimund Pieter, Oliver Klockmann, Andre Hasse +2 more | 2008-09-09 |
| 7371881 | Process for the preparation of organosilicon compounds | Albert-Johannes Frings, Louis Janssens, Stefan Lotter, Alfred Alig | 2008-05-13 |
| 7323582 | Organosilicon compounds | Roland Krafczyk, Hans-Detlef Luginsland, Karsten Korth, Ingo Kiefer, Michael Horn | 2008-01-29 |
| 6849754 | Organosilicon compounds | Roland Krafczyk, Hans-Detlef Luginsland, Karsten Korth, Ingo Kiefer, Michael Horn | 2005-02-01 |
| 6545171 | Process for the production of yellow bis(3-[trialkoxysily]alkyl) polysulfanes | Roland Krafczyk, Björn Treffeisen | 2003-04-08 |
| 6506922 | Process for the production of yellow bis(3-[triethoxysilyl]-propyl) polysulfane | Roland Krafczyk, Rudolf Michel, Christoph Batz-Sohn | 2003-01-14 |
| 6503474 | Process for the preparation of anhydrous sodium sulfide | Robert Magiera, Hans Christian Alt, Gerhard Rasig, Jorg Munzenberg, Christoph Batz-Sohn +3 more | 2003-01-07 |
| 6423859 | Process for the preparation of organosilylalkylpolysulfanes | Alfred Alig, Christoph Batz-Sohn, Rudolf Michel, Jorg Munzenberg, Raymund Sonnenschein +3 more | 2002-07-23 |
| 6380413 | Process for the preparation of yellow bis (3-[triethoxysilyl]propyl) tetrasulfane | Roland Krafczyk, Rudolf Michel | 2002-04-30 |
| 5936112 | Mixtures consisting of bis (silylorganyl) polysulfans and silyorganylthiocyanates, their production, and use | Thomas Gobel, Jorg Munzenberg, Gerd Zezulka | 1999-08-10 |
| 5206304 | Vulcanizable rubber mixtures containing bis-(2,4-organylthio-triazine-6-yl) polysulfides | Georg Hellwig, Reinhard Stober, Christoph Klatte, Siegfried Wolff, Udo Gorl | 1993-04-27 |
| 5164501 | Method of preparing pure 3-butenyl triorganooxysilanes, the intermediate products 3,4-dichlorobutyl triorganooxysilanes and use of the final products | Peter Kleinschmit, Siegfried Wolff, Ewe-Hong Tan | 1992-11-17 |
| 5122609 | Substituted organyloxysilyl-functional, cyclic thioureas | Peter Kleinschmit | 1992-06-16 |
| 5073644 | Method of preparing pure 3-butenyl triorganooxysilanes, the intermediate products 3,4-dichlorobutyl triorgano-oxysilanes and use of the final products | Peter Kleinschmit, Siegfried Wolff, Ewe-Hong Tan | 1991-12-17 |
| 5061773 | Aminoalkyl-substituted organopolysiloxane thiourea derivatives and methods of preparation and use thereof | Peter Panster, Peter Kleinschmit | 1991-10-29 |
| 5049690 | N,N'-disubstituted and N,N,N'-/N,N', N'-trisubstituted thioureas and method of their preparation (II) | Peter Panster, Peter Kleinschmit | 1991-09-17 |
| 5019637 | Organopolysiloxane urea derivatives and organopolysiloxane thiourea derivatives, methods of their preparation and use | Peter Panster | 1991-05-28 |
| 5010203 | Method of preparing organyloxysilyl | Peter Kleinschmit | 1991-04-23 |
| 4999249 | Mixtures containing organosilicon compounds and their use for waterproofing and antimicrobial impregnation | Ulrike Lechner, Michael Witzel | 1991-03-12 |
| 4837322 | Mixtures of sulfurous triazine compounds | Georg Hellwig, Rudolf Michel, Peter Kleinschmit, Siegfried Wolff | 1989-06-06 |
| 4835297 | Method of preparing sulfenic acid chlorides and sulfenic acid esters | Rudolf Michel, Peter Kleinschmit, Siegfried Wolff | 1989-05-30 |
| 4705868 | Process for the preparation of epoxidized organosilicon compounds | Andreas Grund, Guenter Prescher | 1987-11-10 |
| 4704428 | Silyl substituted cyclopentadiene, process for its production and synthetic resin and rubber mixtures containing it | Peter Panster, Peter Kleinschmit, Siegfried Wolff, Ewe-Hong Tan | 1987-11-03 |