Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7829619 | Flame-retardant filler for plastics | Thomas Dittmar, Genoveva Bilandzic, Mario Neuenhaus, Rene Herbiet | 2010-11-09 |
| 4822869 | Process for introducing gases into liquids in the production of polyphenylene ethers or sulfoxidized parrafins using horizontal reactors | Franz-Michael Bollenrath, Martin Bartmann | 1989-04-18 |
| 4337234 | Method for preparing sodium bicarbonate and hydrogen chloride | Jurgen Ziebarth, Alfred Coenen, Kurt Kosswig, Ferdinand von Praun | 1982-06-29 |
| 4320106 | Method for preparing sodium bicarbonate and hydrogen chloride | Jurgen Ziebarth, Alfred Coenen, Kurt Kosswig, Ferdinand v. Praun | 1982-03-16 |
| 4233437 | Continuous process for the removal of monomeric impurities from aqueous dispersions of homo- and copolymers of vinyl chloride | Josef Kalka, Jurgen Ziebarth | 1980-11-11 |
| 4230681 | Method of manufacturing hydrogen chloride from solutions of amine hydrochlorides | Alfred Coenen, Kurt Kosswig, Jurgen Ziebarth | 1980-10-28 |