AC

Alfred Coenen

CH Chemische Werke Huels: 9 patents #11 of 245Top 5%
📍 Marl, DE: #57 of 424 inventorsTop 15%
Overall (All Time): #593,452 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4409198 Process for the production of copper (II) chloride from copper (II) oxychloride using tertiary amine hydrochlorides Manfred Schroeder, Guenter Prominski 1983-10-11
4337234 Method for preparing sodium bicarbonate and hydrogen chloride Bernhard Hentschel, Jurgen Ziebarth, Kurt Kosswig, Ferdinand von Praun 1982-06-29
4321247 Process for preparing sodium bicarbonate and hydrogen chloride Kurt Kosswig, Ferdinand v. Praun, Hans Regner 1982-03-23
4320106 Method for preparing sodium bicarbonate and hydrogen chloride Bernhard Hentschel, Jurgen Ziebarth, Kurt Kosswig, Ferdinand v. Praun 1982-03-16
4305917 Method for preparing ammonia and hydrogen chloride from ammonium chloride Kurt Kosswig, Dieter Balzer 1981-12-15
4259309 Method for obtaining gaseous hydrogen chloride from dilute aqueous hydrochloric acid Kurt Kosswig, Ferdinand von Praun 1981-03-31
4255356 Purification of tertiary amines using an adsorbent Kurt Kosswig, Ferdinand von Praun, Hans Schuller 1981-03-10
4254092 Method for separating hydrogen chloride and hydrogen bromide Kurt Kosswig, Ekkehard Wienhofer 1981-03-03
4230681 Method of manufacturing hydrogen chloride from solutions of amine hydrochlorides Kurt Kosswig, Bernhard Hentschel, Jurgen Ziebarth 1980-10-28