Catalyst activation in the presence of olefinic hydrocarbon...

Catalyst and its use in desulphurisation

Catalyst and method for hydroprocessing a hydrocarbon feed strea

Catalyst and process for residua demetalation and desulfurizatio

Catalyst and process for the manufacture of ultra-low sulfur...

Catalyst composition manufacturing method and sulfur-containing

Catalyst composition preparation and use

Catalyst comprising a group VIB metal carbide, phosphorous...

Catalyst comprising aluminum borate and zirconium borate and use

Catalyst containing phosphorous and a process hydrotreatment...

Catalyst for hydrotreating heavy hydrocarbon oils, method of pre

Catalyst for hydrotreating hydrocarbon feeds in a fixed bed...

Catalyst for hydrotreating of gas oil and method for...

Catalyst for hydrotreating residual petroleum oil

Catalyst for removing sulfur and metal contaminants from heavy c

Catalyst for residual conversion demonstrating reduced toluene i

Catalyst for the hydroisomerization of contaminated hydrocarbon

Catalyst having at least one element of group VIIB and its...

Catalyst, method of preparation and use thereof in hydrodesulfur

Catalysts comprising layered chalcogenides of group IVb-group VI