Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8536334 | Method for producing 3,7-diaza-bicyclo[3.3.1]nonane metal complexes | Melanie Sajitz, Barbara Duecker | 2013-09-17 |
| 8293910 | Method for producing 3,7-diaza-bicyclo[3.3.1]nonane compounds | Melanie Sajitz, Steve Laborda, Peter Naumann | 2012-10-23 |
| 8148530 | Process for the preparation of 3.7-diazabicyclo[3.3.1] nonane compounds | Barbara Duecker, Nicole Nitschke | 2012-04-03 |
| 7977487 | Method for producing N,N-bis(pyridin-2ylmethyl)-1,1-bis(pyridin-2-yl)-1-aminoalkane compounds and metal complex salts containing these compounds | Barbara Duecker, Nicole Nitschke | 2011-07-12 |
| 7091167 | Laundry detergents and laundry treatment compositions comprising dye-transfer-inhibiting dye fixatives | Frank-Peter Lang, Helmut Berenbold | 2006-08-15 |
| 6858570 | Laundry detergents and laundry treatment compositions comprising one or more dye-transfer-inhibiting dye fixatives | Frank-Peter Lang, Helmut Berenbold | 2005-02-22 |
| 6153723 | Soil release oligoesters | Frank-Peter Lang, Johannes Becherer, Alexander Lerch | 2000-11-28 |
| 5792880 | Process for the preparation of N-lauroyl-L-glutamic acid di-n-butylamide | Fritz Engelhardt, Manfred Muller | 1998-08-11 |
| 5726331 | Dimethyl n-lauroyl-l-glutamate | Fritz Engelhardt, Manfred Muller | 1998-03-10 |
| 5684104 | Water-swellable hydrophilic polymers | Rüdiger Funk, Fritz Engelhardt, Ulrich Riegel | 1997-11-04 |
| 5594083 | Water-swellable hydrophilic polymers | R udiger Funk, Fritz Engelhardt, Ulrich Riegel | 1997-01-14 |