Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410072 | Mixtures of isomeric pentanoic acids, esters prepared therefrom, and their use as lubricants | Helmut Bahrmann, Wolfgang Greb, Peter Heymanns, Heinz Kalbfell, Peter Lappe +6 more | 1995-04-25 |
| 5072058 | Process for the preparation of 2,2-dimethylpropane-1,3-diol | Peter Lappe, Franz Thonnessen, Helmut Springer | 1991-12-10 |
| 5041675 | Process for preparing 3(4),8(9)-bis(aminomethyl)-tricyclo[5.2.1.0.sup.2,6 ] d | Rainer Lukas, Klaus Mathieu, Franz Thonnessen, Hanswilhelm Bach | 1991-08-20 |
| 5008473 | Process for purifying propanediol-1,3 | Norbert Breitkopf, Hanswilhelm Bach | 1991-04-16 |
| 4711648 | Process for purification of gases | Werner Konkol, Helmut Bahrmann, Wilhelm Gick, Ernst Wiebus, Hanswilhelm Bach | 1987-12-08 |
| 4593126 | Process for preparing aldehydes | Boy Cornils, Werner Konkol, Hanswilhelm Bach, Wilhelm Gick, Wolfgang Greb +2 more | 1986-06-03 |