C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/601.7
C07C 209/68 (2006.01)
Patent
CA 1231721
Abstract of the disclosure: The invention relates to a process for the iso- merization of o-, m- or p-toluidine, or of a mixture of them, on a zirconium containing zeolite catalyst of the pentasil type. Catalysts of this type are distinguished by particularly high activity and a long useful life. The invention particularly relates to the preparation of m-toluidine by isomerization of o- and/or p-toluidine on zirconium-containing zeolite catalysts of the pentasil type.
482689
Arpe Hans-Jurgen
Baltes Herbert
Eichler Klaus
Leupold Ernst I.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Clariant Gmbh
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