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Bochum, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for extracting charging gases in coke oven chambers
Patent number
4,673,463
Issue date
Jun 16, 1987
C. Otto & Comp. G.m.b.H.
Hans-Jurgen Kwasuik
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Apparatus for removing charging hole covers and for cleaning sealin...
Patent number
4,515,660
Issue date
May 7, 1985
C. Otto & Comp. G.m.b.H.
Hans-Jurgen Kwasnik
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for treating particles of adsorbent used to remove phenol f...
Patent number
4,177,139
Issue date
Dec 4, 1979
C. Otto & Comp. G.m.b.H.
Ulrich Hahn
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for removing hydrogen sulfide from gases and for obtaining e...
Patent number
4,150,104
Issue date
Apr 17, 1979
C. Otto & Comp. G.m.b.H.
Edmund-Theodor Herpers
C01 - INORGANIC CHEMISTRY
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