1
Glen Brons, Ronald D Myers, Roby Bearden: Continuous in-situ combination process for upgrading heavy oil. Exxon Research and Engineering Company, Linda M Scuorzo, August 10, 1999: US05935421 (254 worldwide citation)

The invention relates to an integrated, continuous process for the removal of organically bound sulfur (e.g., mercaptans, sulfides and thiophenes) comprising the steps of contacting a heavy oil, sodium hydroxide, hydrogen and water at a temperature of from about 380.degree. C. to 450.degree. C. to p ...


2
Zhiguo Hou, Roby Bearden Jr, Ferrughelli Thomas David, Sabato Miseo, Martin Leo Gorbaty, Stuart Leon Soled: Slurry hydroprocessing using bulk multimetallic catalysts. ExxonMobil Research and Engineering Company, G J Hughes, March 30, 2004: US06712955 (100 worldwide citation)

A slurry hydroprocessing process for upgrading a hydrocarbon feedstock containing nitrogen and sulfur using bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals wherein the ratio of Group VIB metal to Group VIII metal is about 10:1 to abo ...


3
Roby Bearden Jr, Clyde L Aldridge: Hydroconversion of heavy hydrocarbons. Exxon Research & Engineering Co, Marthe L Gibbons, January 16, 1979: US04134825 (93 worldwide citation)

A catalytic hydroconversion process for a hydrocarbonaceous oil is effected by dissolving an oil-soluble metal compound in the oil, converting the compound to a solid, non-colloidal catalyst within the oil and reacting the oil containing the catalyst with hydrogen. Preferred compounds are molybdenum ...


4
Roby Bearden Jr, Clyde L Aldridge: Hydroconversion process using a sulfided molybdenum catalyst concentrate. Exxon Research and Engineering Company, Henry E Naylor, August 13, 1991: US05039392 (86 worldwide citation)

A process for converting a heavy hydrocarbonaceous chargestock to lower boiling products which process comprises reacting the chargestock with a catalyst concentrate in the presence of hydrogen, at hydroconversion conditions, said catalyst concentrate having been prepared by the steps comprising: (a ...


5
Roby Bearden Jr, Clyde L Aldridge: Catalyst for the hydroconversion of heavy hydrocarbons. Exxon Research & Engineering Co, Marthe L Gibbons, October 7, 1980: US04226742 (82 worldwide citation)

A catalytic hydroconversion process for a hydrocarbonaceous oil is effected by dissolving an oil-soluble metal compound in the oil, converting the compound to a solid, non-colloidal catalyst within the oil and reacting the oil containing the catalyst with hydrogen. Preferred compounds are molybdenum ...


6
William C Baird Jr, Roby Bearden Jr, Thomas H Ledford: Hydroconversion with group IA, IIA metal compounds. Exxon Research & Engineering Company, Marthe L Gibbons, November 28, 1978: US04127470 (79 worldwide citation)

Processes for the treating of sulfur-containing petroleum oil feedstocks employing alkali metal compounds, alkaline earth metal compounds, and mixtures thereof are disclosed. Specifically, processes for hydrotreating feedstocks which have been previously partially desulfurized using conventional hyd ...


7
William C Baird Jr, Roby Bearden Jr: Hydroconversion of residua with potassium sulfide. Exxon Research & Engineering Co, Marthe L Gibbons, October 10, 1978: US04119528 (78 worldwide citation)

A process for the simultaneous desulfurization and hydroconversion of heavy carbonaceous feeds, including various sulfur-containing heavy petroleum oils, is disclosed. These feedstocks are contacted with potassium sulfide in a conversion zone maintained at elevated temperatures and in the presence o ...


8
Clyde L Aldridge, Roby Bearden Jr, William E Lewis: Hydroconversion of heavy feeds by use of both supported and unsupported catalysts. Exxon Research and Engineering Company, Henry E Naylor, April 28, 1992: US05108581 (70 worldwide citation)

Disclosed is a catalytic process for hydroconverting heavy hydrocarbonaceous feedstocks to lower boiling products wherein a catalyst precursor concentrate or catalyst concentrate is first prepared in a heavy oil medium then fed to a hydroconversion zone which may also contain a supported hydrotreati ...


9
Roby Bearden Jr, Clyde L Aldridge: Hydroconversion process. Exxon Research and Engineering Company, Marthe L Gibbons, Maethe L Gibbons, January 10, 1978: US04067799 (70 worldwide citation)

A heavy hydrocarbonaceous oil is converted to lower boiling hydrocarbon products by treatment with hydrogen in the presence of a catalyst comprising a metal phthalocyanine and a particulate iron component.


10
Glen Brons, Ronald Damian Myers, Roby Bearden Jr, John Brenton MacLeod: Process for desulfurization of petroleum feeds utilizing sodium metal. Exxon Research and Engineering Company, Linda M Scuorzo, April 3, 2001: US06210564 (68 worldwide citation)

Sulfur-containing petroleum feeds are desulfurized by contacting the feeds with staged addition of sodium metal at temperatures of at least about 250° C. in the presence of excess hydrogen to sodium metal. The formation of Na