Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11155771 | Method for preparing a liquid washing or cleaning agent using a preservative-free dye solution | Matthias Sunder, Uwe Trebbe, Stefan Hammelstein, Volker Blank, Alexander Tollkoetter +2 more | 2021-10-26 |
| 11001788 | Continuous method for producing perfume-containing melting bodies | — | 2021-05-11 |