Catalyst comprising an euo zeolite, a 10 mr zeolite and a 12 mr zeolite and its use in the isomerisation of aromatic c8 compounds

Claims a catalyst, wherein comprises at least with the EUO type structure; zeoliteAt least one a wherein opening, at least with the opening is 10 and atoms' the channel (10MR) zeolite of ring inhibit movement of 12 atoms' and groove (12MR) zeolite of ring also and at least a porous substrate mine. The catalyst to be comprises at least one VIII for optional metal. Catalyst for the invention is used to contain each member comprises 8 carbon atoms aromatic composite the isomerization method of raw material.