C. Otto & Comp. G.m.b.H.

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Bochum, DE

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Patents Grantslast 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