Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774017 | Thickening agent for detergent containing preparations | Karl Seibert, Klaus Neumann, Hendrick G. Bruil | 1988-09-27 |
| 4521326 | Thickening agent based on polyether derivatives | Karl Seibert, Klaus Neumann, Hendrik Gerard Bruil | 1985-06-04 |