Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371068 | Process for producing tubular molded parts of high temperature superconductor material | Eberhard Preisler, Joachim Bock, Johannes Holzem | 1994-12-06 |
| 5221527 | Process for producing aluminum nitride | Heinz Zschach | 1993-06-22 |
| 4601887 | Apparatus for improving the degree of graphitization of carbon black, and its use | Manfred Wolter, Gero Heymer | 1986-07-22 |
| 4530769 | Process for separating carbon black from an aqueous suspension | Manfred Wolter, Gero Heymer, Hans-Werner Stephan | 1985-07-23 |
| 4525329 | Process and apparatus for making phosphorus pentoxide with utilization of reaction heat | Bernhard Kuxdorf, Peter Luhr, Hugo Werner, Ursus Thummler | 1985-06-25 |
| 4355010 | Process for removing phosphorus in vapor form and phosphanes from gas mixtures | Klaus Jodden, Gero Heymer, Hans-Werner Stephan | 1982-10-19 |