The amount by weight of metals contained in the finished catalyst expressed by weight of metal relative to the weight of the finished catalyst is usually about 2 to 30% and preferably about 5 to 25% for metal or metals N, and about 0.01 to 15%, more particularly about 0.01 to 5% for metal or metals M and preferably about 0.05 to 3% for palladium and/or platinum; and about 0.5 to 15% and preferably