Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7947845 | Process for purifying removal of acrylic acid, methacrylic acid N-vinylpyrrolidone or P-xylene crystals from their suspension in mother liquor | Ulrich Hammon, Klaus Joachim Mueller-Engel, Dieter Baumann | 2011-05-24 |
| 7893178 | Process for storing a monomer phase which is liquid under the conditions of storage | Ulrich Hammon, Volker Schliephake, Klaus Joachim Müller-Engel, Till Blum | 2011-02-22 |