1
Clarence D Chang, Jane C Cheng, Terry E Helton, Michael A Steckel, Scott A Stevenson: Hydroalkylation of aromatic hydrocarbons. ExxonMobil Oil Corporation, Linda A Kubena, Darryl M Tyus, May 4, 2004: US06730625 (37 worldwide citation)

There is described a process and a catalyst for the hydroalkylation of an aromatic hydrocarbon, particularly benzene, wherein the catalyst comprises a first metal having hydrogenation activity and a crystalline inorganic oxide material having a X-ray diffraction pattern including the following d-spa ...


2
Dale E Nierode: Completion method for one perforated interval per fracture stage during multi-stage fracturing. ExxonMobil Upstream Research Company, Linda A Kubena, Gary P Katz, February 13, 2001: US06186230 (34 worldwide citation)

This invention provides a method for designing a multiple-stage ball sealer-diverted fracture treatment so that only one set of perforations is fractured by each stage of fluid pumped. It further provides a method for predicting the sequencing in which perforated intervals will fracture during treat ...


3
Wieslaw J Roth, Brian J Ratigan, Dominick N Mazzone: Alkylaromatics production. ExxonMobil Oil Corporation, Darryl M Tyrus, Linda A Kubena, January 10, 2006: US06984764 (30 worldwide citation)

The present invention provides a process for producing a monoalkylated aromatic compound, particularly ethylbenzene or cumene, in which a polyalkylated aromatic compound is contacted with an alkylatable aromatic compound in the liquid phase and in the presence of a transalkylation catalyst comprisin ...


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Krishna Kulai Rao, Russell D Sellen, Xiaobing Feng, James Spanswick, William F Huber Jr: Production, purification and polymerization of aromatic dicarboxylic acids. Exxon Mobil Chemical Patents, Darryl M Tyus, Linda A Kubena, November 4, 2003: US06642407 (26 worldwide citation)

This invention provides a process for purifying the crude aromatic dicarboxylic acids produced by oxidation of dialkyl aromatic hydrocarbons and for using the purified acids in the preparation of polyethylene terephthalate, polyethylene naphthalate and other polyesters. The invention simplifies the ...


6
Richard C Stell, Jennifer L Bancroft, Arthur R Dinicolantonio, George Stephens: Converting mist flow to annular flow in thermal cracking application. ExxonMobil Chemical Patents, Kelly A Nowak, Linda A Kubena, August 29, 2006: US07097758 (25 worldwide citation)

A process to increase the non-volatile removal efficiency in a flash drum in the steam cracking system. The gas flow from the convection section is converted from mist flow to annular flow before entering the flash drum to increase the removal efficiency. The conversion of gas flow from mist flow to ...


7
Ajit B Dandekar, Michael Hryniszak, David Lawrence Stern: Process for producing cumene. ExxonMobil Chemical Patents, Darryl M Tyus, Linda A Kubena, May 3, 2005: US06888037 (18 worldwide citation)

A process for producing cumene is provided which comprises the step of contacting benzene and propylene under at least partial liquid phase alkylating conditions with a particulate molecular sieve alkylation catalyst, wherein the particles of said alkylation catalyst have a surface to volume ratio o ...


8
George Stephens, David B Spicer, Robert Trimble, Gautam Gauba, Mark E Bury: Burner with low NOx emissions. ExxonMobil Chemical Patents, Lucinda Lomas, Linda A Kubena, April 12, 2005: US06877980 (16 worldwide citation)

A burner for use in furnaces such as in steam cracking. The burner includes a primary air chamber; a burner tube having an upstream end, a downstream end and a venturi intermediate said upstream and downstream ends, said venturi including a throat portion having substantially constant internal cross ...


9
Todd R Reppert, W Keith Idol: Method to reduce water saturation in near-well region. ExxonMobil Upstream Research Company, Gary P Katz, Linda A Kubena, May 8, 2001: US06227296 (11 worldwide citation)

This invention provides a method for reducing the water saturation in the near-well region. Along with various well treatment possibilities, one application of this invention increases the injectivity rate of a substantially nonaqueous fluid into a subterranean formation. The preferred embodiment us ...


10
George Stephens, David B Spicer: Fuel spud for high temperature burners. ExxonMobil Chemical Patents, Lucinda Lomas, Linda A Kubena, May 17, 2005: US06893252 (9 worldwide citation)

An improved burner and a method for combusting fuel in a burner used in furnaces such as those found in steam cracking. The burner includes a burner tube having a downstream end and an upstream end, the burner tube having a venturi therein; a fuel spud located adjacent the upstream end of the burner ...