| abstract |
(57) [Summary]nA catalyst composition suitable for use as a catalyst for the preparation of an ester, comprising: (a) an orthoester or condensed orthoester of at least one metal selected from titanium, zirconium or aluminum, and at least two hydroxyl groups And (b) at least one compound of germanium, antimony or tin, which is a reaction product of an alcohol having the formula (I), an organic phosphorus compound having at least one P-OH group, and a base. A composition comprising: |