Hans-Walter Brandt

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Odenthal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Separation of diastereomers by extractive distillation
- Patent number 4,874,473
- Issue date Oct 17, 1989
- Bayer Aktiengesellschaft
- Dieter Arlt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of liquid-liquid extraction using material exchange columns
- Patent number 4,732,685
- Issue date Mar 22, 1988
- Bayer Aktiengesellschaft
- Hans-Walter Brandt
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Packing for technical processes
- Patent number 4,411,942
- Issue date Oct 25, 1983
- Bayer Aktiengesellschaft
- Andreas Nickel
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Process and device for the separation of mixtures which form an aze...
- Patent number 4,349,416
- Issue date Sep 14, 1982
- Bayer Aktiengesellschaft
- Hans-Walter Brandt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of sump product
- Patent number 4,180,438
- Issue date Dec 25, 1979
- Bayer Aktiengesellschaft
- Hans-Walter Brandt
- C07 - ORGANIC CHEMISTRY