Laminates, which are composed of a preconsolidated synthetic fiber web and a preconsolidated mineral fiber web, which are bonded to each other by needling, are improved in respect of their dimensional stability, in particular in the transverse direction, when the preconsolidated mineral fiber wet contains reinforcing yarns of a mineral material and extending in the longitudinal direction. They are...

1. A process for separating and recovering rhodium used as a catalyst without a complexing agent by extraction from an organic solution of the products of the Oxo synthesis with an aqueous solution of organic phosphines having the general formula see diagramm : EP0156253,P10,F2 as complexing reagents, where Ar**1 , Ar**2 and Ar**3 each denote a phenyl or naphthyl group, Y**1 , Y**2 and Y**3 each...