Issued Patents All Time
Showing 101–111 of 111 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4639403 | Electrostatographic suspension developer and a process for its preparation comprising quaternary ionic copolymer for positive toner charge | Wolfgang Podszun, John C. Goossens, Carlhans Suling, Gunther Hoffarth, Herman Uytterhoeven +1 more | 1987-01-27 |
| 4631243 | Electrostatographic suspension developer and a process for the production thereof | Wolfgang Podszun, John C. Goossens, Carlhans Suling, Herman Uytterhoeven, Walter F. De Winter +1 more | 1986-12-23 |
| 4607592 | Process for the recycling of paint material from the overspray occuring during spray painting and a device to carry out the process | — | 1986-08-26 |
| 4600988 | Memory-programmable control | Gautan Tendulkar, Claus-Georg Becker | 1986-07-15 |
| 4568653 | Working up of hydroformylation or carbonylation reaction mixtures | Kurt Schwirten, Rudolf Kummer | 1986-02-04 |
| 4537987 | Preparation of pure monoesters of adipic acid | Heinz-Walter Schneider, Walter Disteldorf, Rudolf Kummer | 1985-08-27 |
| 4533757 | Continuous hydroformylation of olefinically unsaturated compounds | Rudolf Kummer, Kurt Schwirten, Peter Stops | 1985-08-06 |
| 4498011 | Device for receiving, moving and radiation-shielding of vessels filled with expended reactor fuel elements | Hans-Peter Dyck, Klaus Janberg, Harry Spilker | 1985-02-05 |
| 4400549 | Hydroformylation of olefinically unsaturated compounds | Rudolf Kummer, Kurt Schwirten | 1983-08-23 |
| 4381404 | Process for the production of N,O-disubstituted urethanes and use thereof as starting materials for the production of organic isocyanates | Hans-Josef Buysch, Heinrich Krimm | 1983-04-26 |
| 4262141 | Preparation of aldehydes | Rudolf Kummer, Kurt Schwirten | 1981-04-14 |