Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |