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Dieter Laufhutte
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Recklinghausen, DE
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last 30 patents
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Patent Grant
Method and device for fine desulfurization of coke oven gas
Patent number
4,663,134
Issue date
May 5, 1987
Firma Carl Still GmbH & Co. KG
Dieter Laufhutte
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method and apparatus for desulfurizing coke oven gases
Patent number
4,569,832
Issue date
Feb 11, 1986
Firma Carl Still GmbH & Co. KG
Dieter Laufhutte
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of recovering sulfur from the hydrogen sulfide contained in...
Patent number
4,514,375
Issue date
Apr 30, 1985
Firma Carl Still GmbH & Co. KG
Dieter Laufhutte
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for releasing ammonia bound in coal water
Patent number
4,302,430
Issue date
Nov 24, 1981
Firma Carl Still GmbH & Co. KG
Heinrich Weber
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method of processing the residual gases from Claus plants or other...
Patent number
4,143,122
Issue date
Mar 6, 1979
Firma Carl Still
Dieter Laufhutte
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of keeping the circulating sprinkling water for the uptakes...
Patent number
4,123,331
Issue date
Oct 31, 1978
Firma Carl Still Recklinghausen
Dieter Laufhutte
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...