Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663137 | Ultramild surfactant mixtures II | Wolfgang Pittermann, Karl Schmid, Walter Sterzel | 1997-09-02 |
| 5658875 | Ultramild surfactant mixtures | Wolfgang Pittermann, Karl Schmid, Walter Sterzel | 1997-08-19 |
| 5599476 | Detergent compositions | Ansgar Behler, Hans-Christian Raths, Harald P. Wulff | 1997-02-04 |
| 5599787 | Aqueous anionic surfactant solutions stable at low temperature comprising glycoside and alkoxylated nonionic surfactant mixtures and processes of making same | Karl Schmid, Andreas Syldath | 1997-02-04 |
| 5591845 | Process for the production of surfactants having improved detergency | Karl Schmid, Andreas Syldath | 1997-01-07 |