Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10392340 | Purification of crude isophoronediamine by partial condensation in series with total condensation | Anne Rittsteiger, Jan Caßens, Axel Hengstermann, Cord Knoop, Alexander Martin Rüfer | 2019-08-27 |
| 10343975 | Coupling of distillative purification with a partial condenser for pre-purification of isophoronediamine | Anne Rittsteiger, Alexander Martin Rüfer, Guido Streukens, Stephan Kohlstruk, Matthias Orschel +3 more | 2019-07-09 |