Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657087 | Process and apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides | Markus Weber, Christoph Schwarz, Uwe Tanger, Jochen Ullrich | 2003-12-02 |
| 6583326 | Process for separating phenol from a mixture comprising at least hydroxyacetone, cumene, water and phenol | Christoph Schwarz, Markus Weber, Uwe Tanger, Jochen Ullrich | 2003-06-24 |