Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988387 | Agent and process for desulfurizing molten metals | Hermann Schrodter | 1991-01-29 |
| 4687512 | Desulfurizing mixture for metal melts, process for making it, and process for desulfurizing liquid metal therewith | Hermann Schrodter, Friedrich-Wilhelm Kampmann | 1987-08-18 |
| 4400292 | Process for making agents for desulfurizing crude iron or steel melts | Willi Portz, Georg Strauss, Hans-Martin Delhey | 1983-08-23 |
| 4395282 | Desulfurization mixture and process for making it | Willi Portz, Georg Strauss, Hans-Martin Delhey | 1983-07-26 |
| 4368071 | Process for the manufacture of desulfurizing agents for crude iron or steel melts | Willi Portz, Georg Strauss, Hans-Martin Delhey | 1983-01-11 |
| 4358312 | Desulfurizing agent and process for its manufacture | Willi Portz, Georg Strauss, Hans-Martin Delhey | 1982-11-09 |
| 4323392 | Agent for desulfurizing crude iron and steel melts, and process for making it | Willi Portz, Georg Strauss | 1982-04-06 |
| 4318822 | Production of agent for desulfurizing crude iron and steel melts | Willi Portz, Georg Strauss | 1982-03-09 |
| 4182626 | Production of granular compositions containing pulverulent magnesium | Georg Strauss, Wilhelm Portz, Joachim Kandler, Klaus Komorniczyk, Hans-Dieter Thiel | 1980-01-08 |