Basf Se Corporation

Frank Kuhnke

Johann-Peter Melder

Martin Ernst

Karl-Heinz Ross

Steffen Oehlenschläger

Karl-Heinz Roβ

Jörg Heilek

Daniela Rieck

Ronald Deeg

Roland Deeg

The present invention relates to a process comprising at least the steps (A) chemical reaction of at least one organic compound in the presence of at least one heterogeneous catalyst in a reaction mixture and (B) removal of the at least one heterogeneous catalyst by means of a magnetic filter, and also the use of a magnetic filter for separating off catalyst particles in a process for the hydrogenation of at least one organic compound.

Method of separating off magnetizable catalyst particles by means of magnetic filters

The present invention relates to a process for the industrial preparation of a diamine starting from a corresponding alkenyl nitrile comprising at least one C&#x2014;C double bond, which comprises the steps The invention further relates to an apparatus for preparing these diamines and the use of the apparatuses. A preferred diamine is 3-dimethylaminopropylamine (DMAPA).

Process for the synthesis of DMAPA

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Ludwigshafen, Germany

Frank Kuhnke