Issued Patents All Time
Showing 26–50 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9382417 | Process for the preparation of polyether carbonate polyols | Christoph Gürtler, Thomas Ernst Müller, Aurel Wolf, Stefan Grasser, Burkhard Kohler | 2016-07-05 |
| 9375509 | Isocyanate-functional prepolymer for a biologically degradable fabric adhesive | Heike Heckroth, Christoph Eggert, Klaus Lorenz | 2016-06-28 |
| 9328196 | Process for the preparation of polyricinoleic acid ester polyols having primary hydroxyl end groups | Hartmut Nefzger, Erika Bauer, Bert Klesczewski, Klaus Lorenz | 2016-05-03 |
| 9315622 | Process for the production of polyether carbonate polyols | Christoph Gürtler, Stefan Grasser, Aurel Wolf | 2016-04-19 |
| 9273183 | Polyether carbonate polyol production method | Thomas Ernst Müller, Christoph Gürtler, Matthias Wohak, Muhammad Afzal Subhani, Walter Leitner +2 more | 2016-03-01 |
| 9249259 | Method for activating double metal cyanide catalysts for producing polyether polyols | Thomas Ernst Müller, Christoph Gürtler, Matthias Wohak, Muhammad Afzal Subhani, Maurice Cosemans +1 more | 2016-02-02 |
| 9238711 | Hydroxylamino polymer and method for the production thereof | Klaus Lorenz, Hartmut Nefzger | 2016-01-19 |
| 9193822 | Process for producing polyester polyols having secondary OH end groups | Hartmut Nefzger, Erika Bauer, Klaus Lorenz, Bert Klesczewski | 2015-11-24 |
| 9139685 | Process for the preparation of a polyurethane polymer with secondary hydroxyl end groups comprising polyester polyols | Hartmut Nefzger, Bert Klesczewski, Erika Bauer, Klaus Lorenz | 2015-09-22 |
| 9139691 | Process for preparing high molecular weight polyether polyols | Klaus Lorenz, Horst Zwick, Christian Steinlein, Edward P. Browne | 2015-09-22 |
| 9120894 | Method for producing polyether polyols | Thomas Ernst Müller, Christoph Gürtler, Matthias Wohak, Muhammad Afzal Subhani, Maurice Cosemans +1 more | 2015-09-01 |
| 9080010 | Process for preparing polyether carbonate polyols with double metal cyanide catalysts and in the presence of metal salts | Aurel Wolf, Stefan Grasser, Christoph Gürtler | 2015-07-14 |
| 9045592 | Process for the preparation of polyether carbonate polyols | Christoph Gürtler, Aurel Wolf, Stefan Grasser | 2015-06-02 |
| 9029495 | Process for producing polyether polyols having primary hydroxyl end groups | Hartmut Nefzger, Erika Bauer, Klaus Lorenz, Norbert Hahn | 2015-05-12 |
| 8946466 | Method for producing polyether carbonate polyols | Christoph Gürtler, Aurel Wolf, Stefan Grasser | 2015-02-03 |
| 8933192 | Process for the activation of double metal cyanide catalysts for the preparation of polyether carbonate polyols | Christoph Gürtler, Stefan Grasser, Aurel Wolf | 2015-01-13 |
| 8889322 | Photopolymer formulation having different writing comonomers | Marc-Stephan Weiser, Friedrich-Karl Bruder, Thomas Rölle, Thomas Fäcke, Dennis Hönel | 2014-11-18 |
| 8361678 | Special polyether-based polyurethane formulations for the production of holographic media | Marc-Stephan Weiser, Thomas Roelle, Friedrich-Karl Bruder, Thomas Fäcke, Dennis Hönel +1 more | 2013-01-29 |
| 7893189 | Poly(ether-ester) polyols and processes for their production | Klaus Lorenz, Hartmut Nefzger | 2011-02-22 |
| 7772330 | Process for the preparation of polyether polyols | Klaus Lorenz | 2010-08-10 |
| 7687599 | Poly(ether-ester) polyols and processes for their production | Klaus Lorenz, Hartmut Nefzger | 2010-03-30 |
| 7678729 | Process for the preparation of polyether polyols | Klaus Lorenz | 2010-03-16 |
| 7290998 | Quick set-up system for calibration devices | Gerhard Macht, Peter Landes | 2007-11-06 |
| 7008900 | Double metal cyanide catalysts for producing polyether polyols | Pieter Ooms, Pramod Gupta, Walter Schafer, John Lohrenz | 2006-03-07 |
| 6953765 | Double metal cyanide catalysts for preparing polyether polyols | Pieter Ooms, Walter Schafer | 2005-10-11 |