Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7811458 | Method for treating aqueous sludge, material so produced and the use thereof | Thorsten Buddenberg, Holger Herrmann, Hartmut Pawel, Wolfgang Hoeppner, Volker Hartmann | 2010-10-12 |
| 7553423 | Method for treating aqueous sludge, material so produced and the use thereof | Thorsten Buddenberg, Holger Herrmann, Hartmut Pawel, Wolfgang Hoeppner, Volker Hartmann | 2009-06-30 |
| 7323510 | Method for the production of water-in-water polymer dispersions | Ulrich Fischer, Wolfgang Woebel | 2008-01-29 |
| 4925884 | Process for the production of concentrated emulsion polymers | Wolfgang Hubner | 1990-05-15 |
| 4530943 | Process for the rapid dissolution of water-soluble polymers | Wolfgang Hubner, Helmut Klein, Erhard Goldacker | 1985-07-23 |
| 4340525 | Additive for deep-well cement slurries | Wolfgang Hubner, Hans J. Sladeck | 1982-07-20 |