Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079752 | Process and mixing unit for the preparation of isocyanates by phosgenation of primary amines | Andreas Rausch, Christian Steffens, Dietmar Wastian, Manfred Keller-Killewald, Joachim C. Ritter +1 more | 2011-12-20 |
| 8039659 | Processes for preparing diaryl and/or alkylaryl carbonates from dialkyl carbonates | Andre Düx, Pieter Ooms, Johann Rechner, Kaspar Hallenberger, Georg Ronge +1 more | 2011-10-18 |
| 8022240 | Processes for purifying diaryl carbonates | Pieter Ooms, Johann Rechner, Andre Düx, Kaspar Hallenberger, Georg Ronge +1 more | 2011-09-20 |