Johann H. Schroeder

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the purification of an oxidation off gas
- Patent number 5,891,410
- Issue date Apr 6, 1999
- Huls Aktiengesellschaft
- Rudolf Modic
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Process for the purification of an oxidation off gas with energy re...
- Patent number 5,614,159
- Issue date Mar 25, 1997
- Huls Aktiengesellschaft, Werk Troisdorf
- Rudolf Modic
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Process for the production of DMT-intermediate product of specific...
- Patent number 5,338,882
- Issue date Aug 16, 1994
- Huls Aktiengesellschaft
- Hermann-Josef Korte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of DMT-intermediate product of specific...
- Patent number 5,286,896
- Issue date Feb 15, 1994
- Huls Aktiengesellschaft
- Hermann-Josef Korte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multistage arrangement for countercurrent separation and methods of...
- Patent number 4,707,274
- Issue date Nov 17, 1987
- Amberger Kaolinwerke GmbH
- Friedrich Donhauser
- C07 - ORGANIC CHEMISTRY