Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355010 | Process for removing phosphorus in vapor form and phosphanes from gas mixtures | Klaus Jodden, Friedrich-Wilhelm Dorn, Hans-Werner Stephan | 1982-10-19 |
| 4351960 | Production of an isomeric mixture of secondary phosphines | Georg Elsner, Hartfrid Vollmer | 1982-09-28 |
| 4346065 | Process for the manufacture of finely dispersed sparingly soluble salts of oxyacids of phosphorus | Alexander Maurer, Renate Adrian | 1982-08-24 |
| 4330504 | Apparatus for making red phosphorus | Klaus Lehr, Hans-Werner Stephan, Ursus Thummler | 1982-05-18 |
| 4320108 | Process for the removal of metals from carbon black | Manfred Wolter | 1982-03-16 |