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Helmut Klein
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Hanau, DE
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last 30 patents
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Patent Grant
Process for producing styrene
Patent number
4,549,032
Issue date
Oct 22, 1985
Metallgesellschaft Aktiengesellschaft
Friedrich-Wilhelm Moeller
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for recovering pure benzene
Patent number
4,299,667
Issue date
Nov 10, 1981
Metallgesellschaft Aktiengesellschaft
Helmut Klein
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process of converting ethylbenzene to styrene by catalytic dehydrog...
Patent number
4,287,375
Issue date
Sep 1, 1981
Metallgesellschaft Aktiengesellschaft
Friedrich-Wilhelm Moller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process of recovering an n-hexane product which is free from aromat...
Patent number
4,278,505
Issue date
Jul 14, 1981
Metallgesellschaft Aktiengesellschaft
Hans F. Danulat
C07 - ORGANIC CHEMISTRY