Patents by Inventor Stuart L. Soled

Stuart L. Soled has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7214844
    Abstract: The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a making a molecular sieve catalyst composition by forming a slurry by combining a molecular sieve, a binder and a matrix material, wherein the slurry has a pH, above or below the isoelectric point of the molecular sieve. The catalyst composition has improved attrition resistance, particularly useful in a conversion process for producing olefin(s), preferably ethylene and/or propylene, from a feedstock, preferably an oxygenate containing feedstock.
    Type: Grant
    Filed: January 20, 2005
    Date of Patent: May 8, 2007
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Yun-feng Chang, Stephen N. Vaughn, Luc R. M. Martens, Joseph E. Baumgartner, Stuart L. Soled, Kenneth R. Clem
  • Patent number: 6872680
    Abstract: The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a making a molecular sieve catalyst composition by forming a slurry by combining a molecular sieve, a binder and a matrix material, wherein the slurry has a pH, above or below the isoelectric point of the molecular sieve. The catalyst composition has improved attrition resistance, particularly useful in a conversion process for producing olefin(s), preferably ethylene and/or propylene, from a feedstock, preferably an oxygenate containing feedstock.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: March 29, 2005
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Yun-feng Chang, Stephen N. Vaughn, Luc R. M. Martens, Joseph E. Baumgartner, Stuart L. Soled, Kenneth R. Clem
  • Publication number: 20030187312
    Abstract: The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a making a molecular sieve catalyst composition by forming a slurry by combining a molecular sieve, a binder and a matrix material, wherein the slurry has a pH, above or below the isoelectric point of the molecular sieve. The catalyst composition has improved attrition resistance, particularly useful in a conversion process for producing olefin(s), preferably ethylene and/or propylene, from a feedstock, preferably an oxygenate containing feedstock.
    Type: Application
    Filed: June 24, 2002
    Publication date: October 2, 2003
    Inventors: Yun-Feng Chang, Stephen N. Vaughn, Luc R.M. Martens, Joseph E. Baumgartner, Stuart L. Soled, Kenneth R. Clem
  • Patent number: 6299760
    Abstract: A hydrodenitrogenation catalyst is prepared by decomposing a nickel (ammonium) molybdotungstate precursor and sulfiding, either pre-use or in situ, the decomposition product.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: October 9, 2001
    Assignee: Exxon Research and Engineering Company
    Inventors: Stuart L Soled, Sabato Miseo, Roman Krycak, Hilda Vroman, Teh C. Ho, Kenneth L. Riley
  • Patent number: 6245223
    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
  • Patent number: 6162350
    Abstract: Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni--Mo--W.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: December 19, 2000
    Assignee: Exxon Research and Engineering Company
    Inventors: Stuart L. Soled, Kenneth L. Riley, Gary P. Schleicher
  • Patent number: 6156695
    Abstract: A hydrodenitrogenation catalyst is prepared by decomposing a nickel (ammonium) molybdotungstate precursor and sulfiding, either pre-use or in situ, the decomposition product.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: December 5, 2000
    Assignee: Exxon Research and Engineering Company
    Inventors: Stuart L. Soled, Sabato Miseo, Roman Krycak, Hilda Vroman, Teh C. Ho, Kenneth L. Riley
  • Patent number: 5961817
    Abstract: A FCC catalyst having improved coke selectivity and greater catalyst strength, and a FCC process for converting hydrocarbon feedstocks to lower boiling products. The catalyst comprises a crystalline aluminosilicate zeolite, gibbsite, and a silica matrix prepared from at least one of a silica sol made by an ion-exchange process and an acidic silica sol prepared by mixing sodium silicate, an acid and an aluminum salt of an acid.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: October 5, 1999
    Assignee: Exxon Research and Engineering Company
    Inventors: William A. Wachter, Stuart L. Soled, Nikos J. Maris, Mark P. Lapinski, Carol P. Fitzpatrick
  • Patent number: 5648589
    Abstract: The invention is directed to a catalyst composition comprising a Group VIII metal, preferably a Group VIII noble metal, and a zirconia support impregnated with silica and tungsten oxide and its use in an isomerization process.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: July 15, 1997
    Assignee: Exxon Research & Engineering Company
    Inventors: Stuart L. Soled, William E. Gates, Enrique Iglesia
  • Patent number: 5508246
    Abstract: A new catalyst based on coprecipitated mixtures or solid solutions of alkaline earth oxides and rare earth oxides, such as mixtures or solid solutions of magnesium oxide and cerium oxide, Mg.sub.5 CeO.sub.x, or magnesium oxide and yttrium oxide, Mg.sub.5 YO.sub.x, which catalyze aldol condensation reactions leading to the selective formation of branched C.sub.4 alcohols. The catalysts may also contain a Group IB metallic component and further an alkali dopant. Preferably, Cu in concentrations at or lower than 30 wt % and K in concentrations at or lower than 3 wt % will be used. The catalyst affords the advantage of being run at pressures lower than those required by prior art catalysts and are more active and selective to methanol and isobutanol.
    Type: Grant
    Filed: November 18, 1994
    Date of Patent: April 16, 1996
    Assignee: Exxon Research and Engineering Company
    Inventors: Carlos R. Apesteguia, Stuart L. Soled, Sabato Miseo
  • Patent number: 5489733
    Abstract: The present invention is directed to novel catalyst compositions, their preparation, and their use in a selective paraffin isomerization process. The solid acid catalyst compositions comprise a zirconium hydroxide support, a Group VIII metal, and a heteropolyacid selected from the group consisting of the exchanged aluminum salt of 12-tungstophosphoric acid, the exchanged salt of 12-tungstosilicic acid, and mixtures thereof. The use of said catalysts in an isomerization process comprises contacting said catalysts with a feed comprising C.sub.n or C.sub.n + paraffins, wherein n=4.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: February 6, 1996
    Assignee: Exxon Research and Engineering Company
    Inventors: Stuart L. Soled, Gary B. McVicker, Sabato Miseo, William E. Gates
  • Patent number: 5457253
    Abstract: By this invention there is provided a catalyst composition comprising a Group IVB oxide, an amorphous silica-alumina support having dispersed thereon a rare earth oxide, which as herein used also includes yttrium oxide, and a metal(s) selected from the group consisting of Group VIII noble metal(s), mixtures of Group VIII noble metal(s) and tin, mixtures of Group VIII noble metal(s) and rhenium, and mixtures of Group VIII noble metal(s), tin and rhenium. The amorphous silica-alumina support contains at least about 50% silica by weight. The catalyst can function as a hydrocarbon conversion catalyst in reactions where platinum on halided (Cl,F)-alumina is typically used.
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: October 10, 1995
    Assignee: Exxon Research & Engineering Co.
    Inventors: Stuart L. Soled, Gary B. McVicker, William E. Gates, Sabato Miseo
  • Patent number: 5422327
    Abstract: The invention is directed to a catalyst composition comprising a Group VIII metal, preferably a Group VIII noble metal, and a zirconia support impregnated with silica and tungsten oxide and its use in an isomerization process.
    Type: Grant
    Filed: October 26, 1993
    Date of Patent: June 6, 1995
    Assignee: Exxon Research and Engineering Company
    Inventors: Stuart L. Soled, William E. Gates, Enrique Iglesia
  • Patent number: 5420092
    Abstract: The present invention is directed to novel catalyst compositions, their preparation, and their use in a selective paraffin isomerization process. The solid acid catalyst compositions comprise a silica support, a Group VIII metal, and a heteropolyacid selected from the group consisting of 12-tungstophosphoric acid, 12-tungstosilicic acid, the exchanged aluminum salt of 12-tungstophosphoric acid, the exchanged aluminum salt of 12-tungstosilicic acid and mixtures thereof. The use of said catalysts in an isomerization process comprises contacting said catalysts with a feed comprising C.sub.n or C.sub.n + paraffins, wherein n=4.
    Type: Grant
    Filed: May 6, 1993
    Date of Patent: May 30, 1995
    Assignee: Exxon Research and Engineering Company
    Inventors: Stuart L. Soled, Gary B. McVicker, Sabato Miseo, William E. Gates
  • Patent number: 5397806
    Abstract: A method of preparing catalyst compositions of cobalt composited with ternary metal oxide supports of substituted titania having the general formula Co/Ti.sub.1-x M.sub.x O.sub.2 where x ranges from 0.01 to 0.14 and M is selected from the group consisting of silicon, zirconium, and tantalum and wherein the titania is an anatase polymorph stable under oxidative regeneration temperatures from about 400.degree. to about 750.degree. C.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: March 14, 1995
    Assignee: Exxon Research & Engineering Co.
    Inventors: Stuart L. Soled, Enrique Iglesia, Rocco A. Fiato, Gerald B. Ansell
  • Patent number: 5391532
    Abstract: The present invention is directed to novel catalyst compositions, their preparation, and their use in a selective paraffin isomerization process. The solid acid catalyst compositions comprise a zirconium hydroxide support, a Group VIII metal, and a heteropolyacid selected from the group consisting of the exchanged aluminum salt of 12-tungstophosphoric acid, the exchanged salt of 12-tungstosilicic acid, and mixtures thereof. The use of said catalysts in an isomerization process comprises contacting said catalysts with a feed comprising C.sub.n or C.sub.n + paraffins, wherein n=4.
    Type: Grant
    Filed: May 6, 1993
    Date of Patent: February 21, 1995
    Assignee: Exxon Research and Engineering Company
    Inventors: Stuart L. Soled, Gary B. McVicker, Sabato Niseo, William E. Gates
  • Patent number: 5387570
    Abstract: Applicants have discovered new catalysts based on coprecipitated mixtures or solid solutions of alkaline earth oxides and rare earth oxides, such as mixtures or solid solutions of magnesium oxide and cerium oxide, Mg.sub.5 CeO.sub.x, or magnesium oxide and yttrium oxide, Mg.sub.5 YO.sub.x, which catalyze aldol condensation reactions leading to the selective formation of branched C.sub.4 alcohols. Applicants' catalysts may also contain a Group IB metallic component and further an alkali dopant. Preferably Cu in concentrations at or lower than 30 wt % and K in concentrations at or lower than 3 wt % will be used. Applicants' catalysts afford the advantage of being run at pressures lower than those required by prior art catalysts and are more active and selective to methanol and isobutanol.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: February 7, 1995
    Assignee: Exxon Research & Engineering Co.
    Inventors: Carlos R. Apesteguia, Stuart L. Soled, Sabato Miseo
  • Patent number: 5346875
    Abstract: This invention is to a method of manufacturing fluid catalytic cracking catalyst. In particular, the invention is to a method of manufacturing a catalytic cracking catalyst which incorporates a step of matching the isoelectric point of each component of the catalyst framework structure to the pH of an inorganic oxide sol used to form the matrix component of the catalyst. The resulting catalyst product has a controlled pore size and is extremely durable.
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: September 13, 1994
    Assignee: Exxon Research and Engineering Company
    Inventors: William A. Wachter, Stuart L. Soled
  • Patent number: 5334775
    Abstract: A process for alkylating hydroxyaromatic compounds with a terminally unsaturated polymer in the presence of a partially or completely dehydrated heteropoly catalyst. The alkylated hydroxyaromatic compounds so formed are useful as precursors for the production of fuel and lubricant additives.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: August 2, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Stuart L. Soled, Jose A. Paes
  • Patent number: 5254783
    Abstract: The present invention provides for a catalyst composition which is effective for use in the production of dimer products and higher olefin products from lower olefins such as propylene and butene in high yields and with an average degree of branching in the dimer products of less than about 1.6 methyl groups per molecule, generally in the range of from about 1.0 to 1.4 methyl groups per molecule. The present invention also provides a process for producing such dimer and higher olefin products using the catalyst composition of this invention. The catalyst of the invention comprises an amorphous nickel oxide (NiO) present as a disperse substantial monolayer on the surfaces of a silica (SiO.sub.2) support, which support also contains minor amounts of an oxide of aluminum, gallium or indium such that the ratio of NiO to metal oxide present in the catalyst is within the range of from about 4:1 to about 100:1.
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: October 19, 1993
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Ramzi Y. Saleh, Stuart L. Soled, Nicholas C. Dispenziere