Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648527 | Saturated fluoroalkylamines and their derivatives, and mixtures thereof | Gunter Prossel, Wolfgang Knaup | 1997-07-15 |
| 5648528 | Saturated fluoroalkylamines and their derivatives, and mixtures thereof | Gunter Prossel, Wolfgang Knaup | 1997-07-15 |
| 5103048 | Surface-active compounds having a perfluoroalkyl group and a nitrogen-containing aliphatic radical, a process for their preparation and their use | Wolfgang Knaup, Norbert Schmitt | 1992-04-07 |
| 5069994 | Use of colorless, intensely fluorinated ammonium and iminium compounds as charge control agents for electrophotographic recording processes | Jorg Gitzel, Hans-Tobias Macholdt, Alexander Sieber, Gunther Prossel | 1991-12-03 |
| 5053537 | Ammonium and iminium compounds | Jorg Gitzel, Hans-Tobias Macholdt, Gunther Prossel | 1991-10-01 |
| 4960543 | Urethane made from aliphatic fluorinated alcohols, isocyanates and substituted aromatic compounds, a process for their preparation, and their use | Rolf Kleber, Lothar Jaeckel | 1990-10-02 |
| 4873306 | Urethanes containing fluorine and polysiloxane, process for their preparation and their use | Martin Liebiger | 1989-10-10 |
| 4782175 | Urethanes composed of aliphatic fluoroalcohols, isocyanates and aromatic compounds, a process for their preparation and their use | Rolf Kleber, Lothar Jaeckel | 1988-11-01 |
| 4775488 | Aqueous anionic dispersion | Karl Hintermeier, Heinrich Bathelt, Hans Wagener, Manfred Seidel, Manfred Muller +1 more | 1988-10-04 |
| 4766234 | Urethanes which contain perfluoroalkyl groups, epichlorohydrin groups and dialcohol radicals, the preparation and use thereof | Rolf Kleber, Lothar Jaeckel | 1988-08-23 |
| 4709074 | Urethanes containing perfluoroalkyl and epichlorohydrin groups | Heinrich Bathelt, Winfried Ehrl, Rolf Kleber, Werner Lotz, Wolfgang Glenz +5 more | 1987-11-24 |