Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12145937 | Process for preparing bicyclic guanidines | Uwe Scheim | 2024-11-19 |
| 11440926 | Method for preparing aminopropylsilanes | Richard Weidner | 2022-09-13 |
| 11325923 | Preparation of siloxanes in the presence of cationic silicon (II) compounds | Richard Weidner | 2022-05-10 |
| 10730893 | Noble metal-free hydrosilylatable mixture | Peter Jutzi, Richard Weidner | 2020-08-04 |
| 10457696 | Cationic silicon (II) compounds and method for the production thereof | — | 2019-10-29 |
| 10351676 | Method for producing organosilicon compounds having amino acid groups | Richard Weidner | 2019-07-16 |
| 10336866 | Method for producing organosilicon compounds having amino groups | Alfred Popp | 2019-07-02 |
| 10329313 | Organosilicon compounds having (meth)acrylate groups and a process for preparation thereof | — | 2019-06-25 |
| 9273072 | Method for producing organosilicon compounds which have amino groups | — | 2016-03-01 |
| 9181284 | Method for producing aminoalkylalkoxysilanes | Sotirios Kneissl, Juergen Stohrer | 2015-11-10 |
| 8822621 | Method for producing (hydroxymethyl)polysiloxanes | Jürgen Oliver Daiss, Jens Cremer, Steffen Jungermann | 2014-09-02 |
| 7902392 | Method for the production of organosilicon compounds comprising carboxy radicals | Christian Ochs | 2011-03-08 |
| 7700196 | Method for producing carbonyl group-containing organosilicon compounds | Christian Ochs | 2010-04-20 |
| 7173149 | Process for preparing alkynecarboxylic acids by oxidation of alkyne alcohols | Jürgen Stohrer, Christian Bruninghaus | 2007-02-06 |
| 6750371 | Process for the oxidation of alcohols to aldehydes and ketones in the presence of nitroxyl compounds as catalysts | Juergen Stohrer, Hermann Petersen | 2004-06-15 |
| 6669828 | Cathode for electrolysis cells | — | 2003-12-30 |
| 6316639 | Process for the preparation of cyclic N-hydroxydicarboximides | — | 2001-11-13 |
| 6297403 | Process for the preparation of aldehydes and ketones | Johannes Freudenreich | 2001-10-02 |
| 6242245 | Multicomponent system for modifying, degrading or bleaching lignin or lignin-containing materials, and processes for its use | Manfred Amann, Michael Wohlschlager, Johannes Freudenreich, Jürgen Stohrer | 2001-06-05 |
| 6169213 | Process for the preparation of heteroaryl aldehydes and heteroaryl ketones | Johannes Freudenreich, Norbert Hampp, Anton Candussio | 2001-01-02 |
| 6069282 | Process for the preparation of aldehydes and ketones | Johannes Freudenreich, Norbert Hampp, Anton Candussio | 2000-05-30 |
| 6023000 | Process for the preparation of aldehydes and ketones | Johannes Freudenreich | 2000-02-08 |
| 5334730 | Process for the preparation of optically active carboxylic acids and amide intermediates | — | 1994-08-02 |