Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982027 | Process for the reprocessing of carbon containing wastes | Joachim Korff, Axel Giehr, Karl-Heinz Keim | 1991-01-01 |
| 4726936 | Apparatus for injecting a substance into a reaction vessel | Albert Merz, Gunter Ritter | 1988-02-23 |
| 4459273 | Carbon black obtained from aqueous suspensions | Wilfried Dolkemeyer, Rene Hentges, Ewald Meisenburg | 1984-07-10 |
| 4329329 | Process for obtaining carbon black from aqueous suspensions | Wilfried Dolkemeyer, Rene Hentges, Ewald Meisenburg | 1982-05-11 |