Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4603039 | Process for making phosphorus pentoxide and optionally phosphoric acid with utilization of the reaction heat | Bernhard Kuxdorf, Peter Luhr, Ursus Thummler, Walter Klemm | 1986-07-29 |
| 4525329 | Process and apparatus for making phosphorus pentoxide with utilization of reaction heat | Bernhard Kuxdorf, Peter Luhr, Ursus Thummler, Friedrich-Wilhelm Dorn | 1985-06-25 |
| 4252770 | Apparatus for the production of phosphoric acid | Ursus Thummler | 1981-02-24 |