Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4460549 | Recovery of uranium from wet-process phosphoric acid | Gunther Schimmel, Gero Heymer | 1984-07-17 |
| 4457848 | Process for after-treating extraction residues originating from the decontamination of phosphoric acid | Gunther Schimmel, Gero Heymer | 1984-07-03 |
| 4452768 | Process for removing heavy metal ions from wet-processed phosphoric acid | Gunther Schimmel, Werner Krause, Gero Heymer | 1984-06-05 |
| 4444729 | Multistage column for countercurrent extraction of liquids | Gunther Schimmel | 1984-04-24 |
| 4346066 | Purification of wet-process phosphoric acid | Klaus Schrodter, Klaus-Peter Ehlers, Wolfgang Scheibitz | 1982-08-24 |
| 4321245 | Process for the purification of wet-processed phosphoric acid | Klaus Schrodter, Klaus-Peter Ehlers | 1982-03-23 |
| 4313826 | Liquid-liquid extraction apparatus | Klaus Schrodter, Klaus-Peter Ehlers | 1982-02-02 |
| 4279876 | Conversion of extraction residues originating from phosphoric acid decontamination to solid deposition products | Klaus Schrodter, Klaus-Peter Ehlers, Wolfgang Scheibitz | 1981-07-21 |