Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384059 | Heat transfer fluid and process for its preparation | Rudolf Kron, Helmut Fiege, Klaus-Christian Paetz | 1995-01-24 |
| 4990687 | Preparation of 4-methyl-2-cyclohexylphenol | Helmut Fiege, Lothar Puppe, Werner Jeblick | 1991-02-05 |
| 4973759 | Process for the isolation of alkylated aromatic amines | Helmut Fiege | 1990-11-27 |
| 4912596 | Dielectric liquids | Rudolf Kron, Helmut Fiege | 1990-03-27 |
| 4772428 | Impregnating agents and the use thereof | Rudolf Kron, Karlfried Wedemeyer | 1988-09-20 |
| 4410869 | Dielectric impregnating fluid and its use | Karlfried Wedemeyer, Lothar Havenith, Rolf Kron | 1983-10-18 |
| 4370505 | 1,1,3,3-Substituted hydroxyindanes | Karlfried Wedemeyer, Jurgen Thies | 1983-01-25 |
| 4294715 | Impregnating agent and its use | Rudolf Kron, Karlfried Wedemeyer, Ernst Knust, Lothar Havenith | 1981-10-13 |
| 4275241 | Process for the preparation of 3-phenoxy-benzaldehydes | Siegfried Bohm, Karlfried Wedemeyer | 1981-06-23 |
| 4203145 | Chloro-diphenyl | Ernst Knust, Rudolf Kron, Karlfried Wedemeyer | 1980-05-13 |