| 4348240 |
Process for deactivating soluble metal cations in iron oxide pigments |
Arvind S. Patil, Siegfried Kersten |
1982-09-07 |
| 4319055 |
Process for removing formaldehyde from aqueous solutions of but-2-yne-1,4-diol |
Walter Rebafka, Gerd Heilen |
1982-03-09 |
| 4273945 |
Preparation of saturated aliphatic, cycloaliphatic and araliphatic aldehydes |
Gerd Heilen, Axel Nissen, Wolfgang Koernig, Michael Horner, Guenter Boettger |
1981-06-16 |
| 4239657 |
Manufacture of carbonyl compounds |
Axel Nissen, Gerd Heiien, Ekkehard Sapper, Arnold Wittwer |
1980-12-16 |
| 4235823 |
Preparation of diketones |
Christian Dudeck, Gunter Lehmann, Karl-Heinz Ross, Norbert Petri, Hans Diem +2 more |
1980-11-25 |
| 4233246 |
Manufacture of aliphatic hydroxycarbonyl compounds etherified with aliphatic groups |
Christian Dudeck, Gunter Lehmann, Norbert Petri, Hans Diem, Bernd Meissner +2 more |
1980-11-11 |
| 4229590 |
Preparation of alkyl pyruvates |
Christian Dudeck, Gunter Lehmann, Bernd Meissner, Hans Diem, Norbert Petri +1 more |
1980-10-21 |
| 4224254 |
Preparation of aromatic and araliphatic aldehydes |
Wolfgang Sauer, Christian Dudeck, Norbert Petri |
1980-09-23 |
| 4212825 |
Aldol condensation and hydrogenation process using a catalyst of nickel and cobalt together with zinc oxide and another metal of groups VIII, IIb, IIIa, IVa and Va of the periodic table |
Axel Nissen, Gerd Heilen, Ekkehard Sapper, Arnold Wittwer |
1980-07-15 |
| 4192820 |
Preparation of 3-methyl-2-buten-1-al |
Bernd Meissner, Otto Woerz, Christian Dudeck, Hans Diehm |
1980-03-11 |
| 4188344 |
Production of 4-(m,m'-ditert.-butyl-p-hydroxyphenyl)-butan-2-ones |
Roman Fischer, Wolfgang Koernig, Bernd Meissner |
1980-02-12 |
