Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840989 | Copolymer made from n-vinylamides and perfluoroalkyl group-containing, ethylenically unsaturated compounds, a process for their preparation, and their use | Holger Ohst, Wolfgang Podszun, Carlhans Suling, Gunther Penners | 1989-06-20 |
| 4826721 | Laminated materials of pretreated fibre material and vulcanization products of hydrogenated nitrile rubber | Werner Obrecht, Jean Mirza, Jurgen Pabst, Joachim Thormer, Zsolt Szentivanyi | 1989-05-02 |
| 4824663 | Biocidal macroemulsions containing polyvinyl alcohol | Wolfgang Wirth, Heinz J. Niessen, Hans Schulze | 1989-04-25 |