Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8293932 | Process for extracting a substance or a substance group from a mixture | Rudolf Krumbholz | 2012-10-23 |
| 8063235 | Cromatography process for recovering a substance or a group of substances from a mixture | Rudolf Krumbholz, Norbert Schirra | 2011-11-22 |
| 6042840 | Component of a skin care agent | Rudolf Krumbholz | 2000-03-28 |
| 5362895 | Method of recovering unsaturated fatty acids | Heinz Engelhardt, Rudolf Krumbholz | 1994-11-08 |