Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9120731 | Process for preparing polyether alcohols | Achim Loeffler, Michael Stoesser, Ralf Boehling, Sirus Zarbakhsh | 2015-09-01 |
| 9108172 | Method and device for the continuous production of polymers by radical polymerization | Wolfgang Mattmann, Bolette Urtel, Elke Gütlich-Hauk, Christian Hubert Weidl, Andreas Daiβ | 2015-08-18 |
| 9068023 | Continuous process for the synthesis of graft polymers based on polyethers | Faissal-Ali El-Toufaili, Michaela Heussler, Christian Schwede, Aaron Flores-Figueroa, Rainer Dobrawa +2 more | 2015-06-30 |
| 9056926 | Process for preparing aqueous polyacrylic acid solutions | Matthias Kleiner, Markus Brym, Elke Gütlich-Hauk, Bolette Urtel, Ruth Wirschem +1 more | 2015-06-16 |
| 8969493 | Process and apparatus for continuously polymerizing cationically polymerizable monomers | Wolfgang Mattmann, Phillip Hanefeld, Elke Guetlich-Hauk, Thomas Wettling, Andreas Daiss | 2015-03-03 |
| 8703879 | Continuous method for multi-staged drying and subsequent condensation of a polyamide granulate | Faissal-Ali El-Toufaili, Achim Stammer, Gad Kory, Achim Gerstlauer, Jens Becker | 2014-04-22 |
| 8546468 | Method and device for the continuous production of polymers by radical polymerization | Wolfgang Mattmann, Bolette Urtel, Elke Guetlich-Hauk, Christian Hubert Weidl, Andreas Daisse | 2013-10-01 |
| 8211987 | Deodorization of polymer compositions | Fatemeh Ahmadnian, Karl-Heinz Wassmer, Andreas Brodhagen, Gerd Konrad | 2012-07-03 |
| 8034980 | Method for producing polyether polyols | Achim Loeffler, Ralf Boehling, Thomas Ostrowski, Michael Stoesser, Hartwig Voss +1 more | 2011-10-11 |
| 6815527 | Continuous method for producing polyamides from aminonitriles | Peter Bassler, Helmut Winterling, Rolf Fischer | 2004-11-09 |
| 6617047 | Method for coating apparatuses and parts of apparatuses used in chemical manufacturing | Stephan Huffer, Thilo Krebs, Bernd Rumpf, Jürgen Sturm, Bernd Diebold +3 more | 2003-09-09 |
| 6444762 | Anionic polymerization process | Wolfgang Fischer, Konrad Knoll, Volker Warzelhan, Alain Deffieux, Philippe Desbois +4 more | 2002-09-03 |
| 6346572 | Impact-resistant molding compound made of styrene polymers | Konrad Knoll, Hermann Gausepohl | 2002-02-12 |
| 5990236 | Preparation of impact-resistant polystyrene | Konrad Knoll, Hermann Gausepohl | 1999-11-23 |
| 5902865 | Preparation of polystyrene by continuous anionic polymerization | Hermann Gausepohl, Wolfgang Fischer, Reiner Thiele | 1999-05-11 |
| 5877242 | .alpha.tocopherol-stabilized styrene/butadiene block copolymers | Norbert Niessner, Konrad Knoll, Norbert Güntherberg, Paul Naegele, Hubert Trauth +1 more | 1999-03-02 |
| 5795938 | Preparation of toughened polystyrene molding materials | Konrad Knoll, Wolfgang Fischer, Hermann Gausepohl | 1998-08-18 |
| 5525636 | Expandable styrene polymers | Rolf Henn, Klaus Hahn, Walter Heckmann, Uwe Blumenstein, Hans-Dieter Schwaben +2 more | 1996-06-11 |
| 5525637 | Expandable styrene polymers | Rolf Henn, Klaus Hahn, Andreas Deckers, Uwe Blumenstein, Hans-Dieter Schwaben +1 more | 1996-06-11 |
| 5374688 | Poly(meth)acrylamides | Siegmund Besecke, Andreas Deckers, Harald Lauke | 1994-12-20 |