Helmut Gehrke

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Beckum-Vellern, DE

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Patents Grantslast 30 patents

Information Patent Grant
Rectifying column for extractive distillation of close-boiling or a...
- Patent number 6,514,387
- Issue date Feb 4, 2003
- Krupp Uhde GmbH
- Gerd Emmrich
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process for generating pure benzene from reformed gasoline
- Patent number 6,124,514
- Issue date Sep 26, 2000
- Krupp Uhde GmbH
- Gerd Emmrich
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Process of separating 1-methoxy-2-propanol and 2-methoxy-1-propanol...
- Publication number 20040000473
- Publication date Jan 1, 2004
- Willi Hofen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process and facility for the separation of acid and/or alkaline con...
- Publication number 20020019576
- Publication date Feb 14, 2002
- Gerhard Emmrich
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process and facility for the production of ultra-pure aromatics
- Publication number 20020017480
- Publication date Feb 14, 2002
- Gerhard Emmrich
- C07 - ORGANIC CHEMISTRY