Wilhelm Huwels

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for separating ethylbenzene and styrene by distillation
- Patent number 5,386,075
- Issue date Jan 31, 1995
- Huels Aktiengesellschaft
- Thomas Keil
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of scrubbing solvents by removal of Ni...
- Patent number 4,142,875
- Issue date Mar 6, 1979
- Veba-Chemie Aktiengesellschaft
- Gerd Bohmholdt
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL