Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494960 | Process for the production of pumpable coal slurries | Karl-Heinz Keim, Ewald Meisenburg | 1985-01-22 |
| 4459273 | Carbon black obtained from aqueous suspensions | Kurt Erdt, Rene Hentges, Ewald Meisenburg | 1984-07-10 |
| 4329329 | Process for obtaining carbon black from aqueous suspensions | Kurt Erdt, Rene Hentges, Ewald Meisenburg | 1982-05-11 |
| 4188363 | Recovery of rhodium complex catalysts homogeneously dissolved in organic media | Bernard Fell | 1980-02-12 |