Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764308 | Process for the production of phosgene with simultaneous generation of steam | Heinz Sauer, Dietrich Liebsch | 1988-08-16 |
| 4337359 | Preparation of dimethyl polysulphides | Hermann Arold, Siegbert Humburger, Hans-Joachim Diehr | 1982-06-29 |
| 4195032 | Process for continuously working up solutions of the type accumulating in the phosgenation of monoamines | Johannes Franciscus Gerardus Koster, Peter Heitkamper, Peter Fuhrmann | 1980-03-25 |