Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342488 | Separation of 1,4-butanediol from hydrogenation mixtures | Harald Rust, Rolf Fischer, Claus Hechler, Rolf Pinkos | 1994-08-30 |
| 5073650 | Preparation of 1,4-butanediol | Uwe Stabel, Rolf Fischer, Wolfgang Harder, Claus Hechler | 1991-12-17 |
| 4990688 | Removal of cyclohexanol | Rolf Fischer | 1991-02-05 |
| 4990692 | Removal of cyclohexanol | Rolf Fischer | 1991-02-05 |
| 4982018 | Removal of cyclohexanol from aqueous solutions containing it and aromatic sulfonic acids | Rolf Fischer, Hermann Luyken | 1991-01-01 |
| 4940805 | Preparation of 1,4-butanediol or tetrahydrofuran or both | Rolf Fischer, Wolfgang Harder, Klaus-Dieter Malsch, Manfred Eggersdorfer, Lothar Franz +5 more | 1990-07-10 |
| 4906769 | Isomerization of 2-pentenoates to 3-pentenoates | Rolf Fischer, Franz Merger | 1990-03-06 |
| 4874889 | Isomerization of 2-pentenoates to 3-pentenoates | Rolf Fischer, Franz Merger | 1989-10-17 |