Hydrotreating catalyst and process of manufacture
Patent 4837193 Issued on June 6, 1989. Estimated Expiration Date: 
August 10, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 10, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3114701 3891541 3900427 3909453 3925197 Hydrocarbonaceous black oil conversion process Preparation of catalysts of predetermined pore size distribution and pore volume Method of manufacturing a hydrorefining catalyst Hydrodesulfurization of hydrocarbon feed utilizing a silica stabilized alumina composite catalyst Catalyst for hydro-refining hydrocarbon oils InventorsAssigneeApplicationNo. 07/084467 filed on 08/10/1987US Classes:502/242, Of Group IV (i.e., Ti, Zr, Hf, Ge, Sn or Pb)208/112, Metal or metal oxide catalyst208/216PP, With specific porosity or pore volume208/216R, With group VI metal or compound208/217, With Group VIII metal or compound208/254H, Employing hydrogen502/258, Of Group VIII (i.e., iron or platinum group)502/259, Nickel502/260, Cobalt502/263, Of Group III or lanthanide group (i.e., Sc, Y, Al, Ga, In, Tl, or atomic number 57 to 71 inclusive)502/313, And Group VIII metal containing (i.e., iron or platinum group)502/314, Iron group metal and Group III metal containing (i.e., Fe, Co or Ni and Sc, Y, Al, Ga, In or Tl)502/315, Nickel containing502/332, And Group III metal containing (i.e., Sc, Y, Al, Ga, In or Tl)502/335Of nickelExaminersPrimary: McFarlane, AnthonyAttorney, Agent or FirmInternational ClassesB01J 37/00 (20060101)B01J 35/00 (20060101) C10G 45/02 (20060101) C10G 45/08 (20060101) C10G 45/06 (20060101) B01J 23/76 (20060101) B01J 23/85 (20060101) B01J 35/10 (20060101) B01J 37/02 (20060101) B01J 21/12 (20060101) B01J 21/00 (20060101) AbstractHydrotreating catalyst comprising silica/alumina or silica/alumina-containing carrier comprising 2 to 35 wt. % silica and Group VIII and/or Group VIB metals as hydrogenation active components is prepared by first step impregnation with at least one Group VIII metal and a second step impregnation with at least one Group VIB metal. Preferably the impregnation is via ion exchange using a complex salt, preferably an ammine or amine salt, of the metal. The carrier is characterized by a maximum of pores in 30 to 100 Å range and a minimum of pores in 0 to 30 Å and in 300 Å+. |
| ||||||||||||||
