Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739051 | Preparation of morpholine | Wolfgang Lengsfeld, Gerd Heilen, Otto Hertel, Guenter Boettger | 1988-04-19 |
| 4714527 | Process for measuring the potential difference between a sample liquid and a reference electrolyte | Gerhard Hofmeier, Karl Petersen | 1987-12-22 |
| 4386219 | Hydrogenation catalysts for the preparation of propanediols and processes for the preparation of propanediols, using such catalysts | Franz Merger, Ernest Miesen, Franz J. Broecker, Karl Baer, Juergen Paetsch +1 more | 1983-05-31 |
| 4386018 | Hydrogenation catalysts for the preparation of propanediols | Franz Merger, Ernest Miesen, Franz J. Broecker, Karl Baer, Juergen Paetsch +1 more | 1983-05-31 |
| 4384147 | Preparation of catalysts and their use for the hydrogenation of acetylene-alcohols | Karl Baer, Wolfgang Reiss, Dieter Voges | 1983-05-17 |
| 4287099 | Preparation of catalysts for the hydrogenation of acetylene-alcohols | Karl Baer, Wolfgang Reiss, Dieter Voges | 1981-09-01 |
| 4234727 | Preparation of amines | Herbert Toussaint, Wolfgang Franzischka | 1980-11-18 |
| 4184982 | Preparation of a silicate hydrogenation catalyst | Wolfgang Franzischka | 1980-01-22 |