Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10213706 | Process and apparatus for purification of acrylic acid | Matthias Schafer, Florian Lippuner, Herbert Engstler | 2019-02-26 |
| 9637587 | Method for the manufacture of a polyhydroxy-carboxylic acid | Manfred Stepanski, François Loviat | 2017-05-02 |
| 8333809 | Method of purifying ionic liquids | Axel Konig, Manfred Stepanski | 2012-12-18 |
| 8056362 | Method and device for purifying high melting organic raw products or compound mixtures by means of fractionated melting crystallisation from solvent mixtures | Rodolfo Rohr, Ali Nikzad | 2011-11-15 |