Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391904 | Method for preparing a particle- and surfactant-containing liquid | Alexander Tollkoetter, Volker Blank | 2025-08-19 |
| 11155771 | Method for preparing a liquid washing or cleaning agent using a preservative-free dye solution | Matthias Sunder, Uwe Trebbe, Stefan Hammelstein, Volker Blank, Thomas Holderbaum +2 more | 2021-10-26 |