Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840454 | Method for obtaining polyol esters-enriched product streams from the side-streams in polyol ester production | Jens KUBITSCHKE, Jörg Arnold, Heinz Strutz | 2017-12-12 |
| 9580378 | Method for post-treating polyol esters | Jens KUBITSCHKE, Jörg Arnold, Matthias Kramer, Heinz Strutz | 2017-02-28 |
| 9388115 | Method for producing polyol esters | Guido D. Frey, Tonia Weber, Jörg Arnold, Heinz Strutz | 2016-07-12 |
| 9284253 | Method for producing polyol esters | Guido D. Frey, Tonia Weber, Jörg Arnold, Heinz Strutz | 2016-03-15 |
| 9045451 | Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production | Guido D. Frey, Heinz Strutz | 2015-06-02 |
| 8987523 | Method for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the side-streams in trimethylolpropane production | Guido D. Frey, Norman Nowotny, Heinz Strutz | 2015-03-24 |
| 8664434 | Method for producing aliphatic carboxylic acids from aldehydes by microreaction technology | Tonia Weber, Alexander Kaufmann, Oliver Borgmeier, Heinz Strutz, Diana Utz +2 more | 2014-03-04 |
| 8664444 | Method for producing primary aliphatic amines from aldehydes | Kurt Schalapski, Norman Nowotny, Matthias Eisenacher, Dirk Bermann, Peter Heymanns +1 more | 2014-03-04 |
| 8524938 | Process for lightening the color of polyol esters | Guido D. Frey, Heinz Strutz | 2013-09-03 |
| 8394998 | Method of producing neopentyl glycol | Kurt Schalapski, Tonia Kretz, Peter Heymanns, Rainer Lukas, Rolf Peter Schulz | 2013-03-12 |
| 8158816 | Process for lightening the color of polyol esters | Guido D. Frey, Tonia Weber, Heinz Strutz | 2012-04-17 |