Inventor
COENEN ALFRED
10 patents
Patents
10 patentsUS4115530ASep 19, 1978
Process for obtaining gaseous hydrogen chloride from dilute, aqueous hydrochloric acid
HUELS CHEMISCHE WERKE AG33 citations88
US4259309AMar 31, 1981
Method for obtaining gaseous hydrogen chloride from dilute aqueous hydrochloric acid
HUELS CHEMISCHE WERKE AG22 citations81
US4230681AOct 28, 1980
Method of manufacturing hydrogen chloride from solutions of amine hydrochlorides
HUELS CHEMISCHE WERKE AG24 citations80
US4305917ADec 15, 1981
Method for preparing ammonia and hydrogen chloride from ammonium chloride
HUELS CHEMISCHE WERKE AG9 citations73
US4254092AMar 3, 1981
Method for separating hydrogen chloride and hydrogen bromide
HUELS CHEMISCHE WERKE AG10 citations72
US4255356AMar 10, 1981
Purification of tertiary amines using an adsorbent
HUELS CHEMISCHE WERKE AG14 citations70
US4337234AJun 29, 1982
Method for preparing sodium bicarbonate and hydrogen chloride
HUELS CHEMISCHE WERKE AG4 citations60
US4320106AMar 16, 1982
Method for preparing sodium bicarbonate and hydrogen chloride
HUELS CHEMISCHE WERKE AG3 citations59
US4321247AMar 23, 1982
Process for preparing sodium bicarbonate and hydrogen chloride
HUELS CHEMISCHE WERKE AG3 citations58
US4409198AOct 11, 1983
Process for the production of copper (II) chloride from copper (II) oxychloride using tertiary amine hydrochlorides
HUELS CHEMISCHE WERKE AG2 citations55