Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497931 | Distillative preparation of IPDA having a high cis/trans isomer ratio | Frank Funke, Thomas Hill, Jobst Rüdiger von Watzdorf, Wolfgang Mattmann, Wolfgang Harder +2 more | 2009-03-03 |
| 7256313 | Method for the production of isophorondiamine (ipda, 3-aminomethyl-3,5,5-trimethyl- cyclohexylamine) having a high cis/tran-isomer ratio | Frank Funke, Thomas Hill, Jobst Rüdiger von Watzdorf, Wolfgang Mattmann, Wolfgang Harder +2 more | 2007-08-14 |