1
John D Y Ou, Daniel D Rosenfeld: Removal of organochlorides from hydrocarbon feed streams. Exxon Chemical Patents, Linda K Russell, Edward F Sherer, April 21, 1992: US05107061 (39 worldwide citation)

The present invention is directed to the removal of organochlorides from hydrocarbon streams using highly crystalline molecular sieve material, such as zeolites, and particularly zeolite X in a sodium form, and the removal of organochlorides from hydrocarbon streams containing olefinic compounds usi ...


2
John D Y Ou, Thomas J Waddick: Selective methylation to para-xylene using fuel syngas. ExxonMobil Chemical Patents, October 1, 2002: US06459006 (33 worldwide citation)

It has been discovered that para-xylene (PX) can be synthesized with improved selectivity by reacting an aromatic compound such as toluene and/or benzene with a reactant(s) from fuel syngas such as a combination of hydrogen and carbon monoxide and/or carbon dioxide and/or methanol,or methylating age ...


3
John D Y Ou, Gary F Janda, Zongxuan Hong, Russell D Sellen: Direct selective synthesis of para-xylene by reacting an aromatic compound with a methylating agent formed from CO, Co2 and H2. ExxonMobil Chemical Patents, May 14, 2002: US06388156 (29 worldwide citation)

It has been discovered that para-xylene (PX) can be synthesized with improved selectivity by reacting an aromatic compound such as toluene and/or benzene with a reactant(s) such as a combination of hydrogen and carbon monoxide and/or carbon dioxide and/or methanol or methylating agents produced ther ...


4
John D Y Ou, Youchang Xie, Biying Zhao, Xiangyun Long, Xiawan Yang, Lili Guan: Catalyst selectivation. ExxonMobil Chemical Patents, September 2, 2003: US06613708 (27 worldwide citation)

It has been discovered that catalysts may be modified by depositing an agent derivative from an agent such as an organometallic compound upon them. Such a modification gives a catalyst useful in increased selectivity to para-substituted alkyl benzenes, such as para-xylene (PX), through reacting an a ...


5
Elizabeth L Stavens, Stephen H Brown, J Scott Buchanan, Yun Feng Chang, Larry L Iaccino, Paul F Keusenkothen, John D Y Ou, Randall D Partridge: Process for the production of benzene, toluene, and xylenes. ExxonMobil Chemical Patents, July 21, 2009: US07563358 (22 worldwide citation)

A hydrocarbon conversion process for producing an aromatics product containing of benzene, toluene, xylenes, or mixtures thereof. The process is carried out by converting precursors of benzene, toluene, and xylenes that are contained in a hydrocarbon feed (C6+ non-aromatic cyclic hydrocarbons, A8+ s ...


6
Daniel D Rosenfeld, John D Y Ou: Removal of nitrogenous components of a hydrocarbon feedstream. Exxon Chemical Patents, Edward F Sherer, June 9, 1992: US05120881 (22 worldwide citation)

A catalytic reaction process which involves exposing a hydrocarbon feed including nitrogenous contaminants as well as dialkyl sulfides to a material capable of adsorbing the nitrogenous contaminants as well as dialkyl sulfides from the feed before introducing the stream substantially devoid of nitro ...


7
John D Y Ou: Removal of sulfur contaminants from hydrocarbons using N-halogeno compounds. Exxon Chemical Company, Edward F Sherer, December 1, 1992: US05167797 (19 worldwide citation)

The present invention is directed to a process for removal of sulfur contaminants from hydrocarbons using processes which rely upon the reaction of organosulfur compounds with N-halogeno compounds. The sulfur removal may be effected by using liquid/liquid extraction processes or one of two reactive ...


8
John D Y Ou: Mercury removal by dispersed-metal adsorbents. Exxon Chemical Patents, Linda K Russell, October 31, 1995: US05463167 (14 worldwide citation)

A method of removing contaminants from a hydrocarbon stream which involves contacting the hydrocarbon stream containing a heavy-metal contaminant with a porous material under conditions suitable for adsorption of the contaminant by the porous material. A process for preparing an adsorbent which invo ...


9
John D Y Ou, Neeraj Sangar: Combined cracking and selective hydrogen combustion for catalytic cracking. ExxonMobil Chemical Patents, Andrew B Griffis, October 17, 2006: US07122493 (10 worldwide citation)

A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises: (1) at least one solid acid component, (2) at least one metal-based component comprised of (i) at least one of oxygen and sulfur (ii) one or more elements from ...


10
John D Y Ou, Neeraj Sangar: Combined cracking and selective hydrogen combustion for catalytic cracking. ExxonMobil Chemical Patents, Andrew B Griffis, October 24, 2006: US07125817 (8 worldwide citation)

A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Group 3 and one or more elements from Group ...