Abstract: A new synthetic porous crystalline material, designated ITQ-13, is disclosed having, in its calcined form, the X-ray diffraction pattern of Table 2 above. Also disclosed are methods of making ITQ-13 in its silicate and borosilicate forms in the presence of HF using hexamethonium dihydroxide as a directing agent and hydolyzed tetraethylorthosilicate as a silica source. Aluminum-containing ITQ-13 can be produced by Al exchange of the borosilicate material. ITQ-13 is useful as an acid catalyst and as an adsorbent.
Type:
Grant
Filed:
May 29, 2001
Date of Patent:
October 29, 2002
Assignee:
ExxonMobil Research and Engineering Company
Inventors:
Teresa Boix, Marta Puche, Miguel A. Camblor, Avelino Corma
Abstract: A new synthetic porous crystalline material, designated ITQ-12, is disclosed having, in its calcined form, the X-ray diffraction pattern of Table 2 herein. Also disclosed are methods of making ITQ-12 in its silicate, aluminosilicate and borosilicate forms in the presence of HF using 1,3,5-trimethylimidazole as a directing agent and hydolyzed tetraethylorthosilicate as a silica source. ITQ-12 is useful in the conversion of methanol to olefins and as an adsorbent.
Type:
Grant
Filed:
May 29, 2001
Date of Patent:
October 29, 2002
Assignee:
ExxonMobil Research and Engineering Company
Inventors:
Teresa Boix, Marta Puche, Miguel A. Camblor, Avelino Corma
Abstract: The present invention is a process to reduce the fouling of equipment for processing petroleum feedstreams. The fouling is reduced by reducing the presence of peroxides and hydroperoxides in the feedstream. The steps of the process include mixing the feedstream with an aqueous phase containing a base and a phase transfer catalyst. The base reacts with the peroxides and hydroperoxides. The oil phase can then be further processed with minimum fouling of the equipment. The aqueous phase is recycled for reacting with fresh petroleum feedstream.
Type:
Grant
Filed:
April 18, 2000
Date of Patent:
October 29, 2002
Assignee:
ExxonMobil Research and Engineering Company
Abstract: The invention discloses methods of producing thermally stable mesoporous transition metal oxide compositions by aqueous co-assembly of glycometallates and metal complexes with a surfactant template, without the necessity of the use of stabilizers. Mesoporous (nickel/platinum)-yttria-zirconia materials are also disclosed for use as electrode materials in solid oxide fuel cells. These materials display the highest surface area of any form of (metal)-yttria-stabilized-zirconia, thereby providing significant improvement in the efficiency of solid oxide fuel cells.
Type:
Grant
Filed:
February 2, 2000
Date of Patent:
July 16, 2002
Assignee:
Mobil Oil Corporation
Inventors:
Geoffrey A. Ozin, Marc Mamak, Neil A. Coombs
Abstract: A hydrocracking catalyst is provided that includes a crystalline molecular sieve material component having a faujasite structure and an alpha acidity of less than 1, preferably 0.3 or less, and a dispersed Group VIII noble metal component. The extremely low acidity allows selective hydrocracking of the aromatic and naphthenic species in a feedstock, while limiting the cracking of paraffins. The catalyst produces improved yields of products, such as diesel fuel, at high conversion rates and with high cetane values.
Type:
Grant
Filed:
December 30, 1998
Date of Patent:
March 26, 2002
Assignee:
Mobil Oil Corporation
Inventors:
Ying-Yen P. Tsao, Tracy J. Huang, Philip J. Angevine
Abstract: The present invention is a process to reduce the fouling of equipment for processing petroleum feedstreams. The steps of the process include mixing the feedstream with an aqueous electrolyte forming an oil-in-water dispersion, passing the dispersion through an electrochemical cell, passing a low voltage current through the dispersion, and separating the phases of the dispersion. The oil phase can then be further processed with minimum fouling of the equipment. The water phase is recycled for dispersing fresh petroleum.
Type:
Grant
Filed:
April 18, 2000
Date of Patent:
October 16, 2001
Assignee:
Exxon Research and Engineering Company
Inventors:
Michael Siskin, Mark A. Greaney, Glen E. Phillips
Abstract: The present invention is a process to remove a major portion of metals and coke precursors from a hydrocarbon stream. The steps of the process include contacting the feedstream with a hydrocarbon insoluble adsorbent, recovering the oil which does not adsorb and removing the metals and coke precursors from the adsorbent.
Type:
Grant
Filed:
May 9, 2000
Date of Patent:
June 12, 2001
Assignee:
ExxonMobil Research and Engineering Company
Inventors:
Martin L. Gorbaty, David T. Ferrughelli, William N. Olmstead, Sabato Miseo, Stuart L. Soled, Winston K. Robbins
Abstract: The present invention is a method for optimizing multivariate calibrations such as those used on FT-IR analyzers. The method involves the selection of an optimum subset of samples to use in the calibration from a larger set of available samples. The subset selection is done so as to minimize the bias of the resulting calibration while simultaneously maintaining acceptable standard errors and ensuring maximal range for the model.
Abstract: The present invention is a process for producing a distillate fuel heavier than gasoline. The process is a Fischer-Tropsch (hydrocarbon synthesis) process that includes using 13C NMR to measure cetane number and a cold flow property in order to optimize the process. Cold flow properties include cold filter plugging point, cloud point and pour point.
Type:
Grant
Filed:
August 13, 1999
Date of Patent:
April 3, 2001
Assignee:
Exxon Research and Engineering Company
Inventors:
Bruce R. Cook, Paul J. Berlowitz, Bernard G. Silbernagel, Debra A. Sysyn
Abstract: The present invention is a method for mitigating the fouling from thermally cracked oils by minimizing the residence time at the temperature when the fouling is highest.
Type:
Grant
Filed:
June 11, 1999
Date of Patent:
April 3, 2001
Assignee:
Exxon Research and Engineering Company
Inventors:
Irwin A. Wiehe, Glen B Brons, Linda S. Cronin
Abstract: The present invention is a slurry-type process for upgrading heavy oils to FCC and S/C feeds under temperature and pressure conditions similar to MSHP, but employing catalysts in concentrations small enough (e.g., <300 ppm Mo on feed) that they need not be recycled.
Type:
Grant
Filed:
April 30, 1999
Date of Patent:
January 9, 2001
Assignee:
Exxon Research and Engineering Company
Inventors:
David T. Ferrughelli, Martin L. Gorbaty
Abstract: The present invention is a process for transforming aromatic organic compounds and resource materials. The process includes the steps of contacting an organic material selected from the group consisting of single and/or multi-ring aromatic compounds and alkylaromatic compounds, and their heteroatom-containing analogues, crude oil, petroleum, petrochemical streams, coals, shales, coal liquids, shale oils, heavy oils and bitumens with a microorganism or enzymes in order to hydroxylate the organic material, followed by contacting the hydroxylated organic resource material so as to cause hydrogenation and/or hydrogenolysis on the material.
Type:
Grant
Filed:
October 8, 1999
Date of Patent:
December 5, 2000
Assignee:
Exxon Research and Engineering Company
Inventors:
Catherine L. Coyle, Michael Siskin, David T. Ferrughelli, Michael S. P. Logan, Gerben Zylstra
Abstract: The present invention is directed toward a composition comprising a polyamine or its polymer blend and at least one salt of an aminoacid, the salt of the aminoacid being present in an amount ranging from about 10 to 80 wt % based on the total weight of the composition. Another embodiment of the present invention comprises a membrane suitable for use in separating CO.sub.2 from gas streams containing CO.sub.2, especially H.sub.2 rich gas streams containing CO.sub.2 and CO. The membrane of this invention with polyamine shows higher CO.sub.2 selectivity and permeability than the prior membrane without polyamine.
Abstract: The present invention is a process to remove a +2 ionic charged metal from a petroleum feed. The process includes contacting feed with carbon dioxide at a temperature between 40.degree. C. and 200.degree. C. and autogenous pressure. In a preferred embodiment the metal is a Group II metal. In particular, the metal is calcium.
Type:
Grant
Filed:
May 7, 1999
Date of Patent:
July 25, 2000
Assignee:
Exxon Research and Engineering Co
Inventors:
Saul Blum, Guido Sartori, David W. Savage, Bruce H. Ballinger
Abstract: The present invention is an asphaltene dispersant containing an aromatic, a sulfonic acid head, and an alkyl tail containing 16 carbons or more and at least one branch of a methyl or longer alkyl. Preferably, the aromatic is a fused two ring aromatic and the tail is a two, branched alkyl tail of 30 carbons or longer.
Type:
Grant
Filed:
December 1, 1998
Date of Patent:
April 11, 2000
Assignee:
Exxon Research and Engineering Co.
Inventors:
Irwin A. Wiehe, Ramesh Varadaraj, Torris G. Jermansen, Raymond J. Kennedy, Cornelius H. Brons
Abstract: The present invention includes a process for blending two or more petroleum oils, any component of which may be an unprocessed crude oil or a processed oil derived from petroleum, in a manner to minimize fouling and coking of refinery process equipment. The blending method includes the steps of determining the insolubility number, I, for each oil, determining the solubility blending number, S, for each oil, and combining the petroleum oils in the proportions in order to keep the solubility blending number of the mixture higher than 1.4 times the insolubility number of any oil in the mixture. The present invention also includes selecting petroleum oils to minimize fouling.
Abstract: The present invention is a non-intrusive method to determine the flow state or voidage in an apparatus that interacts a gas phase with a liquid phase. The flow state or voidage is determined by relating them to wall vibrations.
Type:
Grant
Filed:
September 26, 1997
Date of Patent:
November 2, 1999
Assignee:
Exxon Research and Engineering Co.
Inventors:
George Dewey Cody, David R. Johnsrud, Uri Sela
Abstract: The present invention is a process to remove a +2 ionic charged metal from a petroleum feed. The process includes contacting the feed with a resin that includes carboxyl, sulfonic and/or phosphonic groups. In a preferred embodiment the metal is a Group II metal. In particular, the metal is calcium.
Type:
Grant
Filed:
March 6, 1998
Date of Patent:
November 2, 1999
Assignee:
Exxon Research and Engineering Co.
Inventors:
Guido Sartori, David W. Savage, Saul C. Blum, Bruce H. Ballinger
Abstract: The present invention is a large-pore aluminophosphate or substituted aluminophosphate comprising a compositionaR:(M.sub.x Al.sub.y P.sub.z)O.sub.2wherein R represents an organic templating agent, and a=0 to 0.4, X=0 to 0.4, y=0.35 to 0.5, and Z=0.25 to 0.5 and characterized by the diffraction pattern of Table 1 and M may be Si, Ga, Ge, Co, Ni, Zn, Fe, V, Ti and mixtures thereof.