Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6528474 | Method of manufacturing a detergent with soluble builder | Rene-Andres Artiga Gonzalez, Andreas Lietzmann, Wilfried Roehl | 2003-03-04 |
| 6479450 | Bleaching system | Albrecht Weiss, Ulrich Pegelow, Beatrix Kottwitz, Marita Grothus | 2002-11-12 |
| 6340662 | Aqueous foam regulator emulsion | Juergen Millhoff, Thomas Gassenmeier, Rene-Andres Artiga Gonzalez, Stefan Hammerstein, Ingrid Kraus | 2002-01-22 |
| 6200498 | Process for producing paraffin-containing foam regulators | Rene-Andres Artiga Gonzalez, Ingrid Kraus, Stefan Hammelstein | 2001-03-13 |
| 5234545 | Process for regenerating wastepaper in the presence of hydroxysulfonate salts | Bernd Fabry, Berthold Schreck | 1993-08-10 |
| 5227020 | Process for regenerating wastepaper using a double layer hydroxide formed in situ | Helmut Endres, Klaus Hornfeck, Andreas Arnold, Guenter Geismar | 1993-07-13 |
| 5215669 | Use of mixed hydroxyethers as auxiliaries for the dehydration of solids | Rita Koester, Gilbert Schenker | 1993-06-01 |