1
Amarjit S Bakshi, Mitchell E Loescher, Nishit Sahay: Process for the production of gasoline stocks. Catalytic Distillation Technologies, Osha Liang, September 25, 2007: US07273957 (54 worldwide citation)

A process for the production of gasoline stocks wherein lower molecular weight olefins are first oligomerized and the oligomers then hydrogenated. In the first instance the oligomerization is carried out in a single pass fixed bed boiling point reactor. The oligomers are then hydrogenated in a disti ...


2
Thomas P Hickey, Dennis Hearn, Hugh M Putman: Hydroconversion process. Catalytic Distillation Technologies, Kenneth H Johnson, October 5, 1999: US05961815 (48 worldwide citation)

The hydroconversion of heavy petroliferous stocks boiling mainly above 400.degree. F. is carried out in a distillation column reactor where concurrently a petroleum stream is fed into a feed zone; hydrogen is fed at a point below said feed zone; the petroleum stream is distilled and contacted in the ...


3
Dennis Hearn, Robert P Arganbright, Edward M Jones Jr, Lawrence A Smith Jr, Gary R Gildert: Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams. Catalytic Distillation Technologies, Kenneth H Johnson, January 2, 2001: US06169218 (48 worldwide citation)

A process for the selective hydrogenation of the diolefins and acetylenic compounds in a olefin rich aliphatic hydrocarbon streams is disclosed wherein the selective hydrogenation is carried out at 40 to 300° F. under low hydrogen partial pressure in the range of about 0.1 psi to less than 70 psia a ...


4
Mario J Maraschino: Apparatus and process for catalytic distillations. Catalytic Distillation Technologies, Kenneth H Johnson, December 8, 1998: US05847249 (48 worldwide citation)

A process for selectively treating the components in a multi-component stream in a distillation column reactor. Additional catalytic distillation structures are placed as a secondary bed in the distillation column, either above or below the primary bed, and the selected component withdrawn after rea ...


5
Gary R Gildert, Hugh M Putman, Dennis Hearn: Process for concurrent selective hydrogenation of acetylenes and 1,2 butadine in hydrocarbon streams. Catalytic Distillation Technologies, Kenneth H Johnson, March 2, 1999: US05877363 (39 worldwide citation)

A process for the removal of vinylacetylene, ethylacetylene and 1,2-butadiene from C.sub.4 aliphatic hydrocarbon streams comprising, concurrently: (1) feeding hydrogen and a hydrocarbon stream comprising C.sub.4 hydrocarbons including butanes, butenes, butadienes and vinylacetylene to a distillation ...


6
Gary R Gildert, Willibrord A Groten, Hugh M Putman: Process for the simultaneous treatment and fractionation of light naphtha hydrocarbon streams. Catalytic Distillation Technologies, Kenneth H Johnson, July 4, 2000: US06083378 (35 worldwide citation)

A process for concurrently fractionating and hydrotreating of a full range naphtha stream. The full boiling range naphtha stream is subjected to simultaneous hydrodesulfurization and splitting into a light boiling range naphtha and a heavy boiling range naphtha. The two boiling range naphthas are tr ...


7
Gary G Podrebarac, Gary R Gildert: Process for sulfur reduction in naphtha streams. Catalytic Distillation Technologies, Kenneth H Johnson, September 3, 2002: US06444118 (33 worldwide citation)

A process for concurrently fractionating and treating of a full range naphtha stream. The full boiling range naphtha stream is first subjected to simultaneous thioetherification or selective hydrogenation and splitting into a light boiling range naphtha, an intermediate boiling range naphtha and a h ...


8
Lawrence A Smith Jr, Mitchell E Loescher, John R Adams, Abraham P Gelbein: Paraffin alkylation. Catalytic Distillation Technologies, Osha•Liang, July 31, 2007: US07250542 (32 worldwide citation)

A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a disperser mesh under conditions of temper ...


9
J Yong Ryu, Gary R Gildert: Process for selective hydrogenation of alkynes and catalyst therefor. Catalytic Distillation Technologies, Kenneth H Johnson, June 10, 2003: US06576588 (29 worldwide citation)

Acetylenic compounds in olefin streams such as mixed 1,3-butadiene were selectively hydrogenated over the supported copper catalysts on highly porous supports such as alumina, silica, etc. The preferred supports have the average pore diameter larger than about 200 Å, no micro pores, total pore ...


10
Gary G Podrebarac, Gary R Gildert, Willibrord A Groten: Process for the desulfurization of petroleum feeds. Catalytic Distillation Technologies, Kenneth H Johnson, October 16, 2001: US06303020 (28 worldwide citation)

A process for the hydrodesulfurization of a cracked naphtha stream is disclosed where very little of the valuable olefins are saturated. The process is a two staged process wherein the H