Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9745236 | Method for recovering di-trimethylolpropane by distillation | Guido D. Frey, Kurt Schalapski, Heinz Strutz | 2017-08-29 |
| 9676689 | Manufacture of methylolalkanes with augmented heat transfer and improved temperature control | Michael J. Stone, Howard W. Brooks, Heinz Strutz, Donald K. Raff, Guido D. Frey +4 more | 2017-06-13 |
| 9394218 | Manufacture of methylolalkanes | Heinz Strutz, Donald K. Raff, Guido D. Frey, Marcos L. Schroeder, Fred Gaytan +2 more | 2016-07-19 |
| 9174922 | Method for producing vinyl esters | Leif Johnen, Heinz Strutz, Kurt Schalapski, Wolfgang Hofs, Sebastian Geisel | 2015-11-03 |
| 9108898 | Continuous method for producing primary aliphatic amines from aldehydes | Dirk Bermann, Matthias Eisenacher, Sebastian Geisel, Leif Johnen, Peter Heymanns +2 more | 2015-08-18 |
| 8987523 | Method for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the side-streams in trimethylolpropane production | Thorsten Kreickmann, Guido D. Frey, Heinz Strutz | 2015-03-24 |
| 8841489 | Method for carrying out multiphase aldol condensation reactions to give mixed α, β-unsaturated aldehydes | Dirk Bermann, Guido D. Frey, Kurt Schalapski, Heinz Strutz | 2014-09-23 |
| 8664444 | Method for producing primary aliphatic amines from aldehydes | Kurt Schalapski, Matthias Eisenacher, Dirk Bermann, Thorsten Kreickmann, Peter Heymanns +1 more | 2014-03-04 |