| 4925823 |
Process and catalyst for the preparation of methacrylic acid |
Richard Krabetz, Gerd Duembgen, Franz Merger, Gerd Fouquet |
1990-05-15 |
| 4667044 |
Process for the production of aromatic glycidyl esters |
Peter Werle, Gunther Reissmann, Wolfgang Merk |
1987-05-19 |
| 4638085 |
Preparation of methyl methacrylate from methacrolein |
Franz J. Broecker, Gerd Duembgen, Gerd Fouquet, Richard Krabetz, Franz Merger |
1987-01-20 |
| 4595778 |
Preparation of methacrylic acid and catalyst therefor |
Gerd Duembgen, Gerd Fouquet, Richard Krabetz, Franz Merger |
1986-06-17 |
| 4520125 |
Catalyst for the preparation of methyl methacrylate |
Karl Baer, Peter Bassler, Gerd Duembgen, Gerd Fouquet, Richard Krabetz +1 more |
1985-05-28 |
| 4496770 |
Process for the preparation of .alpha.-alkylacroleins |
Gerd Duembgen, Gerd Fouquet, Richard Krabetz, Ekhart Lucas, Franz Merger |
1985-01-29 |
