Inventor · disambiguated record
Alfred Coenen
Also filed as: COENEN ALFRED
10 granted patents·124 citations·filing 1977–1982
89Inventor score
Files withHUELS CHEMISCHE WERKE AG10
Top patents by PatentIndex Score
10 records- 0184US4115530AProcess for obtaining gaseous hydrogen chloride from dilute, aqueous hydrochloric acidHUELS CHEMISCHE WERKE AG·Filed 1977·Granted Sep 19, 1978·33 cites·22 claims
- 0280US4230681AMethod of manufacturing hydrogen chloride from solutions of amine hydrochloridesHUELS CHEMISCHE WERKE AG·Filed 1979·Granted Oct 28, 1980·24 cites·6 claims
- 0378US4259309AMethod for obtaining gaseous hydrogen chloride from dilute aqueous hydrochloric acidHUELS CHEMISCHE WERKE AG·Filed 1979·Granted Mar 31, 1981·22 cites·14 claims
- 0478US4255356APurification of tertiary amines using an adsorbentHUELS CHEMISCHE WERKE AG·Filed 1979·Granted Mar 10, 1981·14 cites·12 claims
- 0559US4254092AMethod for separating hydrogen chloride and hydrogen bromideHUELS CHEMISCHE WERKE AG·Filed 1979·Granted Mar 3, 1981·10 cites·16 claims
- 0654US4305917AMethod for preparing ammonia and hydrogen chloride from ammonium chlorideHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Dec 15, 1981·9 cites·7 claims
- 0743US4337234AMethod for preparing sodium bicarbonate and hydrogen chlorideHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Jun 29, 1982·4 cites·18 claims
- 0838US4320106AMethod for preparing sodium bicarbonate and hydrogen chlorideHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Mar 16, 1982·3 cites·17 claims
- 0936US4321247AProcess for preparing sodium bicarbonate and hydrogen chlorideHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Mar 23, 1982·3 cites·15 claims
- 1027US4409198AProcess for the production of copper (II) chloride from copper (II) oxychloride using tertiary amine hydrochloridesHUELS CHEMISCHE WERKE AG·Filed 1982·Granted Oct 11, 1983·2 cites·10 claims
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