Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10669293 | Process for preparing isocyanates containing alkoxysilane groups | Manfred Kreczinski, Dirk Hoppe, Emmanouil Spyrou | 2020-06-02 |
| 10633401 | Process for preparing isocyanates containing alkoxysilane groups | Manfred Kreczinski, Emmanouil Spyrou, Dirk Hoppe | 2020-04-28 |
| 10626131 | Process for preparing isocyanates containing alkoxysilane groups | Manfred Kreczinski, Emmanouil Spyrou, Dirk Hoppe | 2020-04-21 |
| 10611782 | Process for preparing isocyanates containing alkoxysilane groups | Manfred Kreczinski, Emmanouil Spyrou, Dirk Hoppe | 2020-04-07 |
| 10519096 | Process for preparing amino compounds from nitrile compounds | Anne Rittsteiger, Dirk Hoppe, Alexander Martin Rüfer, Sabrina Sowka, Sven Schneider +5 more | 2019-12-31 |
| 10343975 | Coupling of distillative purification with a partial condenser for pre-purification of isophoronediamine | Anne Rittsteiger, Alexander Martin Rüfer, Guido Streukens, Matthias Orschel, Matthias Mendorf +3 more | 2019-07-09 |
| 10252980 | 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use | Alexander Martin Rüfer, Anja Poschen, Anne Rittsteiger, Jörg-Joachim Nitz, Martina Ortelt +4 more | 2019-04-09 |
| 10221277 | Epoxy resin composition comprising 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine (AM-CPDA) as hardener | Eike Langkabel, Martina Ortelt, Dirk Fuchsmann, Jaclyn Balthasar, Alexander Martin Rüfer +2 more | 2019-03-05 |
| 10214612 | Epoxy resin composition comprising 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine as hardener | Eike Langkabel, Martina Ortelt, Dirk Fuchsmann, Jaclyn Balthasar, Alexander Martin Rüfer +2 more | 2019-02-26 |
| 10173979 | Hardener composition including 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine | Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Martina Ortelt, Dirk Fuchsmann +4 more | 2019-01-08 |
| 10160717 | 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use | Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Martina Ortelt, Dirk Fuchsmann +4 more | 2018-12-25 |
| 10125089 | Process for preparing 3 aminomethyl-3,5,5-trimethylcyclohexylamine | Anne Rittsteiger, Alexander Martin Rüfer, Norbert Schlüter, Sven Schneider, Sabrina Sowka +3 more | 2018-11-13 |
| 10093605 | Catalytic oxidation of 3,5,5-trimethylcyclohexa-3-ene-1-one (β-isophorone) with hydrogen peroxide to afford 2,6,6-trimethyl-2-cyclohexene-1,4-dione (keto-isophorone) | Stephanie Bajus, Jan Caßens, Jens Döring, Jörg-Joachim Nitz, Robert Jansen | 2018-10-09 |
| 9937483 | Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine | Anne Rittsteiger, Alexander Martin Ruefer, Norbert Schlueter, Sven Schneider, Sabrina Sowka +3 more | 2018-04-10 |
| 9878500 | Composite semifinished products, molded parts produced therefrom, and molded parts produced directly based on hydroxy-functionalized (meth)acrylates, which are cross-linked by means of uretdiones in a thermosetting manner | Guenter Schmitt, Sandra Reemers, Emmanouil Spyrou, Heike Heeb, Friedrich Georg Schmidt +1 more | 2018-01-30 |
| 9878979 | Fine purification of isophoronenitrile by melt crystallization | Joerg-Joachim Nitz, Robert Jansen, Anja Mueller, Jan Cassens, Axel Hengstermann | 2018-01-30 |
| 9868699 | Process for removing cations from an isophoronenitrile product mixture | Joerg-Joachim Nitz, Robert Jansen, Andreas Merkel, Anja Mueller, Jan Cassens +1 more | 2018-01-16 |
| 9868702 | Process for producing 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine | Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Martina Ortelt, Dirk Fuchsmann +4 more | 2018-01-16 |
| 9862673 | 2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use | Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Martina Ortelt, Dirk Fuchsmann +4 more | 2018-01-09 |
| 9035102 | Hydrolysis of the residues obtained in the production of isophorone to recover isophorone and acetone | Joerg-Joachim Nitz, Robert Jansen, Matthias Orschel, Andreas Merkel, Michael Demming +5 more | 2015-05-19 |
| 8841479 | Low monomer 1 : 1 monoadducts of reactive olefinic compounds and diisocyanates using insertable inhibitors | Emmanouil Spyrou, Elke Gollan, Andrea Henschke, Nicole Fresmann | 2014-09-23 |
| 8816125 | Process for the continuous preparation of (cyclo)aliphatic diisocyanates | Hans-Werner Michalczak, Manfred Kreczinski, Gerda Grund, Rainer Lomoelder | 2014-08-26 |
| 8729259 | Method for producing 1:1 adducts having a low monomer content from hydroxyalkyl(meth)acrylates and diisocyanates | Emmanouil Spyrou, Lars Hellkuhl, Heinz Grosse-Beck, Marita Druener | 2014-05-20 |
| 8536370 | Low chlorine, multi-staged method for producing cycloaliphatic disocyanates | Gerda Grund, Manfred Kreczinski, Christian Lettmann | 2013-09-17 |
| 8507600 | Polyolefin graft poly(meth)acrylate copolymer-based priming agent for polyolefin surfaces | Sven Balk, Hinnerk Gordon Becker, Lutz Mindach, Thomas Arnold, Cornelia Baumann +1 more | 2013-08-13 |