Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677273 | Wetting agents for the pretreatment of textiles | Karl Schmid, Ingo Wegener, Anja Hanke, Hans-Christians Raths | 1997-10-14 |
| 5668100 | Detergent mixtures and detergents or cleaning formulations with improved dissolving properties | Karl Schmid, Andreas Syldath, Ditmar Kischkel, Thomas Krohnen, Hubert Pawelczyk +2 more | 1997-09-16 |