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Alfred Coenen
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Marl, DE
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last 30 patents
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Patent Grant
Process for the production of copper (II) chloride from copper (II)...
Patent number
4,409,198
Issue date
Oct 11, 1983
Chemische Werke Huls, AG
Alfred Coenen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing sodium bicarbonate and hydrogen chloride
Patent number
4,337,234
Issue date
Jun 29, 1982
Chemische Werke Huls AG
Bernhard Hentschel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing sodium bicarbonate and hydrogen chloride
Patent number
4,321,247
Issue date
Mar 23, 1982
Chemische Werke Huls AG
Alfred Coenen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing sodium bicarbonate and hydrogen chloride
Patent number
4,320,106
Issue date
Mar 16, 1982
Chemische Werke Huls AG
Bernhard Hentschel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing ammonia and hydrogen chloride from ammonium ch...
Patent number
4,305,917
Issue date
Dec 15, 1981
Chemische Werke Huls AG
Alfred Coenen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for obtaining gaseous hydrogen chloride from dilute aqueous...
Patent number
4,259,309
Issue date
Mar 31, 1981
Chemische Werke Huls AG
Alfred Coenen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Purification of tertiary amines using an adsorbent
Patent number
4,255,356
Issue date
Mar 10, 1981
Chemische Werke Huls AG
Alfred Coenen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for separating hydrogen chloride and hydrogen bromide
Patent number
4,254,092
Issue date
Mar 3, 1981
Chemische Werke Huls AG
Alfred Coenen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of manufacturing hydrogen chloride from solutions of amine h...
Patent number
4,230,681
Issue date
Oct 28, 1980
Chemische Werke Huls AG
Alfred Coenen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for obtaining gaseous hydrogen chloride from dilute, aqueou...
Patent number
4,115,530
Issue date
Sep 19, 1978
Chemische Werke Huls AG
Alfred Coenen
C01 - INORGANIC CHEMISTRY