Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7671098 | Alkoxylated, cross-linked polyglycerols and use thereof as biodegradable demulsifier | Dirk Leinweber, Franz-Xaver Scherl, Heidi Rausch | 2010-03-02 |
| 7569615 | Alkoxylated dendrimers and use thereof as biodegradable demulsifiers | Dirk Leinweber, Michael Feustel, Heidi Rausch | 2009-08-04 |
| 7026363 | Alkoxylated polyglycerols and their use as demulsifiers | Dirk Leinweber, Franz-Xaver Scherl, Heidi Grundner | 2006-04-11 |
| 6646016 | Aromatic aldehyde resins and their use as emulsion breakers | Frank Holtrup, Wolfram Baumgärtner, Michael Feustel | 2003-11-11 |
| 6465528 | Aromatic aldehyde resins and their use as emulsion breakers | Frank Holtrup, Wolfram Baumgärtner, Michael Feustel | 2002-10-15 |