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Hans-Jurgen Vollmer
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Essen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the recovery of pure hydrocarbons from a hydrocarbon mi...
Patent number
6,007,707
Issue date
Dec 28, 1999
Krupp Uhde GmbH
Stefan Donnermeyer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and apparatus for producing aromatic hydrocarbon composition
Patent number
5,767,332
Issue date
Jun 16, 1998
Krupp-Koppers GmbH
Hans-Jurgen Vollmer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for recovering pure benzene and pure toluene from aromatic...
Patent number
5,723,026
Issue date
Mar 3, 1998
Krupp-Koppers GmbH
Martin Leisse
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of separating an aromatic from a hydrocarbon mixture
Patent number
5,252,200
Issue date
Oct 12, 1993
Krupp-Koppers GmbH
Luzian Skatulla
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of obtaining a pure aromatic hydrocarbon from a sump product...
Patent number
5,238,540
Issue date
Aug 24, 1993
Krupp-Koppers GmbH
Luzian Skatulla
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for obtaining a pure hydrocarbon from a sump product of an...
Patent number
5,234,553
Issue date
Aug 10, 1993
Krupp-Koppers GmbH
Martin Kaiping
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of separating aromatics from a hydrocarbon mixture having an...
Patent number
5,215,629
Issue date
Jun 1, 1993
Krupp-Koppers GmbH
Luzian Skatulla
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of separation of aromates by extractive distillation
Patent number
5,180,474
Issue date
Jan 19, 1993
Krupp-Koppers GmbH
Luzian Skatulla
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for simultaneous recovery of pure benzene and pure toluene
Patent number
5,107,055
Issue date
Apr 21, 1992
Krupp-Koppers GmbH
Udo Klaumunzner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stripping column installation for separating materials with high bo...
Patent number
5,057,190
Issue date
Oct 15, 1991
Krupp-Koppers GmbH
Luzian Skatulla
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL