Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10441522 | Surfactant-containing cleaning agent compositions with specific combinations of four preservatives | Heike Schelges, Rainer Simmering, Barbara Heide | 2019-10-15 |
| 10357442 | Surfactant-containing cleansing agents with at least four different preservatives | Heike Schelges, Rainer Simmering, Barbara Heide | 2019-07-23 |