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Georg Kohl
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Hurth, DE
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last 30 patents
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Patent Grant
Process for the preparation of acetic acid and acetic anhydride
Patent number
5,380,929
Issue date
Jan 10, 1995
Hoechst Aktiengesellschaft
Heinz Erpenbach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of phenylalanine n-propyl ester hydroch...
Patent number
4,898,966
Issue date
Feb 6, 1990
Hoechst Aktiengesellschaft
Heinz Erpenbach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for removing acetone from reaction mixtures of carbonylatio...
Patent number
4,717,454
Issue date
Jan 5, 1988
Hoechst Aktiengesellschaft
Heinz Erpenbach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for separating the catalyst system from the reaction mixtur...
Patent number
4,549,937
Issue date
Oct 29, 1985
Hoechst Aktiengesellschaft
Heinz Erpenbach
C07 - ORGANIC CHEMISTRY