| 4681946 |
Preparation of nicotinamide |
Karl Baur, Volker Diehl, Peter Stops, Erwin Brunner |
1987-07-21 |
| 4613466 |
Preparation of hexamethylene 1,6-diisocyanate and/or isomeric diisocyanates where alkylene is of 6 carbon atoms |
Franz Merger, Gerhard Nestler, Friedrich Towae |
1986-09-23 |
| 4596678 |
Multiple-step process for the preparation of hexamethylene diisocyanate-1,6 and/or isomeric aliphatic diisocyanates with six carbon atoms in the alkylene residue |
Franz Merger, Friedrich Towae, Gunther Isbarn, Waldemar Koehler |
1986-06-24 |
| 4596679 |
Multiple-step process for the preparation of 3-isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate |
Franz Merger, Friedrich Towae |
1986-06-24 |
| 4491674 |
Process and apparatus for the safe supply of molecular oxygen or of gas containing molecular oxygen to an oxidation of hydrocarbons |
Norbert Rieber, Gerhard Hunziker, Guenter Mueller |
1985-01-01 |
| 4482499 |
Process for the preparation of isocyanates by thermal cleaving of urethanes |
Franz Merger, Gerhard Nestler, Rolf Platz, Friedrich Towae |
1984-11-13 |
