Patent ID: 7557062

Claim:
An unsupported catalyst composition, wherein said unsupported catalyst composition comprises: a Group VIb metal component, a Group VIII metal component, and a refractory oxide material, wherein said refractory oxide material comprises 50 wt % or more titania, on an oxide basis, wherein said Group VIII metal component is present in said unsupported catalyst composition in an amount in the range of from 2 to 80 wt %, based on the total weight of the unsupported catalyst composition and on an oxide basis, wherein said Group VIb metal component is present in said unsupported catalyst composition in an amount in the range of from 5 to 90 wt %, based on the total weight of the unsupported catalyst composition and on an oxide basis, wherein said refractory oxide material is present in said unsupported catalyst composition in an amount in the range of from 5 to 70 wt %, based on the total weight of the unsupported catalyst composition and on an oxide basis, and wherein said titania of said refractory oxide material includes titania powder having an average particle diameter of 50 microns or less.