Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072885 | Fluorine-free water-repellent composition | — | 2021-07-27 |
| 10597816 | Fluorine-containing water-repellent composition | Waltraud Gasafi-Martin | 2020-03-24 |
| 10407823 | Composition comprising mixtures of polyacryates with fluorine-containing polyacrylates | Regina Brunnmaier | 2019-09-10 |
| 7976583 | Oil-, water- and soil-repellent perfluoroalkylethyl methacrylate copolymers | Hans-Joachim Goetz, Florian Bauers | 2011-07-12 |
| 6515172 | Process for the preparation of perfluorocarboxylic acids | Ralf Grottenmüller, Anton Probst, Klaus Dullinger | 2003-02-04 |
| 5798429 | Composition for the water- and oil-repellent treatment of absorbent materials | Rudolf Hager, Gunther Kolleritsch | 1998-08-25 |
| 5648528 | Saturated fluoroalkylamines and their derivatives, and mixtures thereof | Gunter Prossel, Frank Wehowsky | 1997-07-15 |
| 5648527 | Saturated fluoroalkylamines and their derivatives, and mixtures thereof | Gunter Prossel, Frank Wehowsky | 1997-07-15 |
| 5227540 | Process for the preparation of primary and secondary fluorine-containing alcohols | — | 1993-07-13 |
| 5171877 | Urethanes made from aliphatic fluoro alcohols, isocyanates and carboxylic acids, a process for their preparation and their use | Rainer Kupfer, Rolf Kleber, Lothar Jaeckel, Fritz J. Gohlke | 1992-12-15 |
| 5147748 | Use of colorless highly fluorine-substituted phosphonium compounds as charge control agents for electrophotographic recording processes | Jorg Gitzel, Hans-Tobias Macholdt | 1992-09-15 |
| 5103048 | Surface-active compounds having a perfluoroalkyl group and a nitrogen-containing aliphatic radical, a process for their preparation and their use | Frank Wehowsky, Norbert Schmitt | 1992-04-07 |
| 5055619 | Phosphonium compounds and processes for their preparation | Jorg Gitzel, Hans-Tobias Macholdt | 1991-10-08 |