Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076510 | Process for starting-up a heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid or of methacrolein to methacrylic acid | Ulrich Hammon, Thorsten Friese, Jochen Petzoldt, Klaus Joachim Mueller-Engel, Ulrich Cremer | 2011-12-13 |
| 8025846 | Process for introducing a portion withdrawn from at least one production charge of annular coated catalysts K into a reaction tube of a tube bundle reactor | Ulrich Cremer, Hagen Wilmer, Hermann Petersen, Holger Borchert, Horst Strahberger +1 more | 2011-09-27 |