Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9273183 | Polyether carbonate polyol production method | Christoph Gürtler, Matthias Wohak, Jörg Hofmann, Muhammad Afzal Subhani, Walter Leitner +2 more | 2016-03-01 |
| 9260562 | Method for producing polycarbonate polyols by the immortal polymerization of cyclic carbonates | Christoph Gürtler, Anthony Kermagoret, Yvonne Dienes, Igor Busygin, Burkhard Kohler +1 more | 2016-02-16 |
| 9249259 | Method for activating double metal cyanide catalysts for producing polyether polyols | Christoph Gürtler, Matthias Wohak, Jörg Hofmann, Muhammad Afzal Subhani, Maurice Cosemans +1 more | 2016-02-02 |
| 9228054 | Method for producing polyether carbonate polyols | Christoph Gürtler, Muhammad Afzal Subhani | 2016-01-05 |
| 9200113 | Multi-amine functional oligomers and method for producing the same by the reduction of corresponding oximes | Christoph Gürtler, Ewa Gebauer, Henning Vogt, Yevgen BEREZHANSKYY, Burkhard Kohler +1 more | 2015-12-01 |
| 9120894 | Method for producing polyether polyols | Christoph Gürtler, Matthias Wohak, Jörg Hofmann, Muhammad Afzal Subhani, Maurice Cosemans +1 more | 2015-09-01 |
| 8987446 | Bimetallic complexes and the use thereof in producing diaryl carbonate | Christoph Gürtler, Pieter Ooms, Johann Rechner, Friedhelm Risse, Angelina Prokofieva +4 more | 2015-03-24 |
| 8304509 | Process for preparing diaryl carbonates from dialkyl carbonates | Christoph Gürtler, Pieter Ooms, Friedhelm Risse, Johann Rechner, Franco Doro +1 more | 2012-11-06 |