Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705476 | Low-foaming wetting agent consisting of various alkoxylated alcohol mixtures | — | 1998-01-06 |
| 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, Wolfgang Richter, 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 |
| 4456554 | Ammonium compounds | Klaus Walz, Karl Schafer, Hans Schulze | 1984-06-26 |