Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5393859 | Organopolysiloxanes containing substituted 1,3,5-triazine units | Harald Chrobaczek, Michael Messner | 1995-02-28 |
| 5310783 | Aqueous compositions comprising nitrogen-containing polysiloxanes | Harald Chrobaczek, Gunther Tsuchida | 1994-05-10 |
| 5201998 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Rosemarie Topfl, Hubert Meindl, Hans Wegmuller, Peter Rohringer, Dieter Werthemann | 1993-04-13 |
| 5196260 | Process for the treatment of fibrous materials with modified organopolysiloxanes and the materials | Franz Dirschl, Jurgen Uhl | 1993-03-23 |
| 5112930 | Modified polyurethanes containing perfluoroaliphatic groups and use thereof | Simpert Ludemann, Bernhard Sandner, Erich Rossler, Hans-Burkhardt Vogel | 1992-05-12 |
| 5047065 | Aqueous finishing agent and process for a soft hand, water and oil repellent treatment for fibrous materials: perfluoro-aliphatic agent, polyethylene and modified hydrogen-alkyl-polysiloxane | Hans-Burkhardt Vogel, Franz Mosch, Erich Rossler, Johan E. De Witte, Rudolf J. Dams | 1991-09-10 |
| 5021264 | Aqueous textile treatment agent and crease resist finishing of textile material | Xaver Kastele, Erich Rossler | 1991-06-04 |
| 5021263 | Aqueous textile treatment agent and crease resist finishing of textile material | Xaver Kastele, Erich Rossler | 1991-06-04 |
| 5019428 | Modified polyurethanes containing perfluoroaliphatic groups and use thereof | Simpert Ludemann, Bernhard Sandner, Erich Rossler, Hans-Burkhardt Vogel | 1991-05-28 |
| 4956049 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Dieter Strasilla, Bernardo de Sousa, Peter Rohringer | 1990-09-11 |
| 4895927 | Water soluble, self-crosslinking, polymeric condensation product of amino (meth) acrylate and phosponic acid ester | Simpert Ludemann | 1990-01-23 |
| 4737239 | Process for the manufacture of paper or cardboard which is sized under alkaline or neutral conditions with anionic hydrophobic sizing agents and cationic retention aids | Hubert Meindl, Peter Rohringer | 1988-04-12 |
| 4735685 | Process for sizing paper or cardboard with anionic hydrophobic sizing agents and cationic retention aids | Hubert Meindl, Peter Rohringer | 1988-04-05 |
| 4627889 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Hubert Meindl, Peter Rohringer, Hans Wegmuller, Dieter Werthemann | 1986-12-09 |
| 4623428 | Process for sizing paper with anionic hydrophobic sizing agents and cationic retention aids | Hubert Meindl, Peter Rohringer, Hans Wegmuller, Dieter Werthemann | 1986-11-18 |