This invention relates to an improved method of presulfiding {HEAD ~ a supported metal oxide catalyst} for use in hydrotreating and hydrocracking hydrocarbon feedstocks, the presulfurized catalytic composition resulting therefrom, and {TAIL ~ a hydrotreating and hydrocracking process} utilizing such presulfurized metal oxide catalyst 
This invention relates to an improved method of presulfiding { HEAD ~ a supported metal oxide catalyst } for use in hydrotreating and hydrocracking hydrocarbon feedstocks , the presulfurized catalytic composition resulting therefrom , and { TAIL ~ a hydrotreating and hydrocracking process } utilizing such presulfurized metal oxide catalyst
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