Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398917 | Apparatus for the purification of commercially available diphenyl-p-phenylenediamine (DPPD) | Albert-Johannes Frings, Michael Horn, Peter Jenker, Jaroslaw Monkiewicz, Burkhard Standke +1 more | 2002-06-04 |
| 6268421 | Reinforcement additives | Uwe Dittrich, Huhn Guenter, Katrin Marschner | 2001-07-31 |
| 6026880 | Process and apparatus for the purification of commercially available diphenyl-p-phenylenediamine (DPPD) | Albert-Johannes Frings, Michael Horn, Peter Jenker, Jaroslaw Monkiewicz, Burkhard Standke +1 more | 2000-02-22 |
| 5945554 | Process for the stabilizing of an organosilane | Albert-Johannes Frings, Michael Horn, Peter Jenker, Jaroslaw Monkiewicz, Burkhard Standke +1 more | 1999-08-31 |
| 5869736 | Oxidation in the Witten-Hercules process for preparing dimethyl terephthalate | Stefan Jelko, Anton Schoengen, Hermann-Josef Korte, Gerhard Franz, Thomas Jostmann +1 more | 1999-02-09 |
| 5786493 | Cyclic silane esters and solvolysis products thereof, and processes for the preparation of the cyclic silane esters and the solvolysis products | Hartwig Rauleder, Hans-Joachim Koetzsch, Jaroslaw Monkiewicz, Claus-Dietrich Seiler | 1998-07-28 |
| 5773548 | Catalyst for preparing organosiloxanes or polyorganosiloxanes | Harald Schickmann, Robert Lehnert, Heinz Wendt, Holger Rautschek, Harald Roesler | 1998-06-30 |
| 5763666 | Process and apparatus for the purification of commercially available diphenyl-p-phenylenediamine (DPPD) | Albert-Johannes Frings, Michael Horn, Peter Jenker, Jaroslaw Monkiewicz, Burkhard Standke +1 more | 1998-06-09 |
| 5698726 | Process for preparing amino-functional organosilanes low in or free of chloro-functional organosilanes | Hartwig Rauleder, Claus-Dietrich Seiler, Hans-Joachim Koetzsch | 1997-12-16 |
| 5679147 | Water-based organic polysiloxane-containing compositions, processes for their preparation and their use | Burkhard Standke, Christine Fliedner, Albert-Johannes Frings, Michael Horn, Hans-Joachim Koetzsch +1 more | 1997-10-21 |
| 5654459 | Process for preparing alkylhydrogenchlorosilanes | Frank Kropfgans, Albert-Johannes Frings, Michael Horn, Peter Jenkner, Hans-Joachim Koetzsch +3 more | 1997-08-05 |
| 5646325 | Process for the preparation of 3-acryloyloxypropylalkoxysilanes | Jaroslaw Monkiewicz, Albert-Johannes Frings, Michael Horn, Peter Jenkner, Hans-Joachim Koetzsch +3 more | 1997-07-08 |
| 5616755 | Process for preparing low-chloride or chloride-free aminofunctional organosilanes | Claus-Dietrich Seiler, Hartwig Rauleder, Hans-Joachim Koetzsch | 1997-04-01 |
| 5616762 | Process for the preparation of 3-halo-and pseudohalo-alkylsilane esters | Frank Kropfgans, Albert-Johannes Frings, Michael Horn, Hans-Joachim Koetzsch, Jaroslaw Monkiewicz +2 more | 1997-04-01 |
| 5536860 | Process for preparing aminopropylalkoxysilanes in the presence of shaped polymeric rhodium complex catalysts and their use | Jaroslaw Monkiewicz, Albert-Johannes Frings, Michael Horn, Hans-Joachim Koetzsch, Frank Kropfgans +2 more | 1996-07-16 |
| 5527937 | Process for preparing hydrogenalkoxysilanes | Burkhard Standke, Albert-Johannes Frings, Michael Horn, Hans-Joachim Koetzsch, Frank Kropfgans +2 more | 1996-06-18 |