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Bob Ware
Stephen H Brown, Mark F Mathias, Robert A Ware, David H Olson: Selective para-xylene production by toluene methylation. ExxonMobil Oil Corporation, July 23, 2002: US06423879 (58 worldwide citation)

There is provided a process for the selective production of para-xylene which comprises reacting toluene with methanol in the presence of a catalyst comprising a porous crystalline material having a Diffusion Parameter for 2,2 dimethylbutane of about 0.1-15 sec


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Bob Ware
Stephen H Brown, Mark F Mathias, Robert A Ware, David H Olson: Selective para-xylene production by toluene methylation. ExxonMobil Oil Corporation, January 7, 2003: US06504072 (58 worldwide citation)

There is provided a process for the selective production of para-xylene which comprises reacting toluene with methanol in the presence of a catalyst comprising a porous crystalline material having a Diffusion Parameter for 2,2 dimethylbutane of about 0.1-15 sec


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Bob Ware
Stephen H Brown, Mark F Mathias, Robert A Ware, David H Olson: Selective para-xylene production by toluene methylation. ExxonMobil Chemical Company, January 2, 2003: US20030004383-A1

There is provided a process for the selective production of para-xylene which comprises reacting toluene with methanol in the presence of a catalyst comprising a porous crystalline material having a Diffusion Parameter for 2,2 dimethylbutane of about 0.1-15 sec1 when measured at a temperature of 120 ...


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Robert A Crane, Stephen H Brown, Lorenzo De Caul: Ethyl acetate synthesis from ethylene and acetic acid using solid acid catalysts. Mobil Oil Corporation, Penny L Prater, Malcolm D Keen, October 26, 1999: US05973193 (86 worldwide citation)

A method of producing ethyl acetate by reacting acetic acid with ethylene in the presence of a solid acidic catalyst comprising a zeolite selected from the group consisting of MCM-22, MCM-49, MCM-56, ZSM-5 and zeolite-Beta.


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Stephen H Brown, William A Weber, Reuel Shinnar: Process for converting natural gas to higher value products using a methanol refinery remote from the natural gas source. ExxonMobil Chemical Patents, Paul T Larsie, October 14, 2003: US06632971 (42 worldwide citation)

A process for treating methane-containing natural gas is provided which comprises: i) converting methane to methanol at or near a site of natural gas production; ii) transporting the methanol to a refinery remote from said site of production, said refinery producing ethylene and propylene and compri ...


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Stephen H Brown, Quang N Le, Lawrence B Alemany: Process for improving olefin etherification catalyst life. Mobil Oil Corporation, A J McKillop, M D Keen, L Gene Wise, April 5, 1994: US05300126 (30 worldwide citation)

A method is disclosed for the pretreatment of olefinic hydrocarbon feedstock to remove conjugated dienes and/or basic nitrogen compounds that deactivate acidic catalyst particles used in olefin conversion processes by reacting the dienes with one or more dienophiles to form the corresponding Diels-A ...