Patent ID: 7030053

Claim:
A composition comprising ruthenium and a treated silica support component wherein said treated silica support component is prepared by a process comprising contacting a silica support component and a treating agent and further wherein said contacting is selected from the group consisting of impregnation, mixing, and combinations thereof; wherein said catalyst composition comprises a weight ratio of total silicon dioxide to ruthenium in the range of from about 0.01:1 to about 20:1; wherein said treating agent comprises an organosilicon compound having the following formulas: SiR y X 4−y, (R w X 3−w Si) 2 .Z, [SiR m OX 2−m ] n , [SiR m X 2−m ] n , and combinations of any two or more thereof, wherein: y=1 to 4; w=1 to 3; m=1 to 2; n>2, preferably >5, and more preferably in the range of from 10 to 5,000,000; R=alkyl, aryl, H, alkoxy, aryloxy, arylalkyl, alkylaryl; when y≧2 or w≧2 or m=2, R can be same or different and is independently selected from the groups listed; X=halide; and Z=oxygen or imino or alkylimino or alkanoylimino.