Patents by Inventor Eric G. Derouane
Eric G. Derouane 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: 7411103Abstract: A process for catalytic isomerisation of alkyl aromatic compounds in a hydrocarbon process stream comprising contacting the alkyl aromatic compound-containing hydrocarbon stream under isomerisation conditions with a crystalline zeolite catalyst consisting of individual, primary crystals having an intracrystalline, non-crystallographic mesopore system and a mesopore volume of the zeolite crystals above 0.25.Type: GrantFiled: November 4, 2004Date of Patent: August 12, 2008Assignee: Haldor Topsoe A/SInventors: Ivar Schmidt, Christina Hviid Christensen, Michael Brorson, Erik G. Derouane, Claus Hviid Christensen, Eric G. Derouane
-
Patent number: 5952535Abstract: This invention is an improved process for the conversion of a C.sub.9 mixed alkyl aromatic feedstream containing ethyl substituted aromatics to a product rich in toluenes and/or xylenes via catalytic transalkylation/disproportionation using a palladium loaded moderately, dealuminated mordenite catalyst in the presence of added hydrogen and benzene.Type: GrantFiled: September 18, 1996Date of Patent: September 14, 1999Assignee: Catalytica, Inc.Inventors: David L. King, Eric G. Derouane, Jacques C. DeDeken, Toshihiko Masuda, Shinji Nishikawa, Hiroshi Fujii, Masaaki Adachi
-
Patent number: 5326464Abstract: A process for converting feedstock comprising hydrocarbon compounds to product comprising hydrocarbon compounds of lower molecular weight than said feedstock hydrocarbon compounds which comprises contacting said feedstock at conditions for said conversion with catalyst comprising crystals having a framework topology after heating at 110.degree. C. or higher giving an X-ray diffraction pattern with interplanar d-spacings at 16.4.+-.0.2 Angstroms, 8.2.+-.0.1 Angstroms, 6.21.+-.0.05 Angstroms, 6.17.+-.0.05 Angstroms, 5.48.+-.0.05 Angstroms and 4.74.+-.0.05 Angstroms, and without a significant interplanar d-spacing at 13.6-13.3 Angstroms.Type: GrantFiled: August 22, 1989Date of Patent: July 5, 1994Assignee: Mobil Oil Corp.Inventors: Roland von Ballmoos, Cynthia T-W. Chu, Michael E. Landis, Eric G. Derouane
-
Patent number: 5276233Abstract: A process for preparing aromatic compounds, wherein a gaseous feed containing C.sub.6 to C.sub.20 hydrocarbons is reacted in the presence of a catalyst, which catalyst comprises as its catalytically active component a hydrotalcite-type material having in its uncalcined state the general formulaMe'(II).sub.z Me(II).sub.x Me(III).sub.y (CO.sub.3)(OH).sub.2(x+z)+3y-2.aqwith an X-ray diffraction (d003) greater than about 7.4 Angstroms, and whereinMe'(II) is at least one divalent metal selected from the Group comprising platinum, palladium, silver, ruthenium and iridium;ME(II) is at least one divalent metal selected from the Group comprising copper, cobalt, magnesium, manganese, nickel and zinc;ME(III) is at least one trivalent metal selected from the Group comprising aluminum, chromium and iron; andx, y and z are positive numbers satisfying the following relationships:(x+z)/y.gtoreq.0.5;0<z/y.ltoreq. 3; andx.gtoreq.0.Type: GrantFiled: September 4, 1991Date of Patent: January 4, 1994Assignee: Haldor Topsee A/SInventors: Niels J. Blom, Eric G. Derouane
-
Patent number: 5245096Abstract: A process for preparing aromatic compounds, wherein a gaseous feed containing C.sub.6 to C.sub.20 hydrocarbons is reacted in the presence of a catalyst, which catalyst comprises a metal from Group VIII of the Periodic Table loaded on a hydrotalcite-type support material having in its uncalcined state the general formulaMe(II).sub.x Me(III).sub.y (CO.sub.3)(OH).sub.2x+3y-2 . aqwith an x-ray diffraction (d003) greater than about 7.4 Angstroms, and whereinMe(II) is at least one divalent metal selected from the group comprising copper, magnesium, manganese, zinc and a metal from Group VIII of the Periodic Table;Me(III) is at least one trivalent metal selected from the group comprising aluminum, chromium and iron; andx and y are positive numbers satisfying the following relationship x/y.gtoreq.0.5.Type: GrantFiled: September 4, 1991Date of Patent: September 14, 1993Assignee: Haldor Topsoe A/SInventors: Eric G. Derouane, Robert J. Davis, Niels J. Blom
-
Patent number: 5026942Abstract: The selective isopropylation of a naphthyl compound to diisopropylnaphthalene enhanced in the 2,6-diisopropylnaphthalene isomer is obtained in the presence of an acidic crystalline molecular sieve catalyst having twelve membered oxygen rings. The catalyst pore aperture dimension range from 5.5 .ANG. to 7.0 .ANG.. The user of these shape selective catalysts results in a diisopropylnephthalene stream which is enhanced in .beta. isomers and enhanced in the desired 2,6-diisopropylnaphthalene isomer. A particularly preferred catalyst is synthetic Mordenite having a specific Si/Al ratio and NMR characteristics. Specific catalyst modifications are also described to improve selectivity to the desired 2,6-diisopropylnaphthalene isomer.Type: GrantFiled: December 12, 1989Date of Patent: June 25, 1991Assignee: Catalytica, Inc.Inventors: Jere D. Fellmann, Robert J. Saxton, Paul R. Wentrcek, Eric G. Derouane, Pascale Massiani
-
Patent number: 5003122Abstract: The selective isopropylation of a naphthyl compound to diisopropylnaphthalene enhanced in the 2,6-diisopropylnaphthalene isomer is obtained in the presence of an acidic crystalline molecular sieve catalyst having twelve membered oxygen rings. The catalyst pore aperture dimension ranges from 5.5 .ANG. to 7.0 .ANG.. The use of these shape selective catalysts results in a diisopropylnaphthalene stream which is enhanced in .beta. isomers and enhanced in the desired 2,6-diisopropylnaphthalene isomer. A particularly preferred catalyst is synthetic Mordenite. Specific catalyst modifications are also described to improve selectivity to the desired 2,6-diisopropylnaphthalene isomer.Type: GrantFiled: October 5, 1988Date of Patent: March 26, 1991Assignee: Catalytica, Inc.Inventors: Jere D. Fellman, Robert J. Saxton, Paul R. Wentrcek, Eric G. Derouane
-
Patent number: 4898722Abstract: An improved method for synthesis of improved silicoaluminophosphate SAPO-37 is provided. The method comprises (1) preparing a two-phase reaction mixture containing particular components and comprising both a liquid organic phase and a liquid aqueous phase; (2) heating the reaction mixture at a rate of from 5.degree. C. to 200.degree. C. per hour to a temperature of from 80.degree. C. to 200.degree. C.; agitating the reaction mixture in a manner sufficient to intimately admix said liquid organic and aqueous phases with each other; (4) once nucleation of the silicoaluminophosphate occurs, heating the agitated reaction mixture at rate of from 5.degree. C. to 200.degree. C. per hour to a temperature of from 100.degree. C. to 300.degree. C.; (5) maintaining the agitated reaction mixture at a temperature of from 100.degree. C. to 300.degree. C. and a pH of from 2 to 9 until crystals of the desired silicoaluminophosphate are formed; and (6) recovering silicoaluminophosphate material from the reaction mixture.Type: GrantFiled: December 19, 1984Date of Patent: February 6, 1990Assignee: Mobil Oil Corp.Inventors: Eric G. Derouane, Roland von Ballmoos
-
Patent number: 4891197Abstract: A method for synthesizing a crystalline silicophosphoaluminate is provided. The composition has ion-exchange properties and is readily convertible to catalytically active material. The synthesis method requires an organic phase, and an aqueous phase. The silicon, phosphorus and aluminum components of the silicophosphoaluminate may, optionally, be replaced with other elements in the plus 4, 5 and 3 valence states, respectively.Type: GrantFiled: June 26, 1986Date of Patent: January 2, 1990Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Roland von Ballmoos
-
Patent number: 4880611Abstract: This invention relates to a novel synthetic crystalline molecular sieve composition which may contain framework +3 valence element, e.g. aluminum, +4 valence element, e.g. silicon, and +5 valence element, e.g. phosphorous, and to use thereof in catalytic conversion of organic compounds. The crystalline composition of this invention exhibits ion-exchange properties and can easily be converted to catalytically active material.Type: GrantFiled: December 21, 1987Date of Patent: November 14, 1989Assignee: Mobil Oil Corp.Inventors: Roland von Ballmoos, Cynthia T-W. Chu, Michael E. Landis, Eric G. Derouane
-
Patent number: 4780444Abstract: There is provided a method for activating preformed, crystalline aluminum phosphates by combining these aluminum phosphates with an activating metal oxide, such as silica, and water under conditions, such as mulling, sufficient to increase the acid catalytic activity of the material.Type: GrantFiled: May 3, 1984Date of Patent: October 25, 1988Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Emmerson Bowes
-
Patent number: 4713227Abstract: Crystalline metallophosphoaluminates are prepared by hydrothermal crystallization utilizing a reaction mixture containing a substantially water-immiscible organic solvent wherein one of the aluminum, phosphorus or oxide sources is soluble in the organic solvent.Type: GrantFiled: June 25, 1986Date of Patent: December 15, 1987Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Roland V. Ballmoos
-
Patent number: 4673559Abstract: Silicophosphoaluminates are crystallized from a two-phase reaction mixture comprising sources of silicon oxide, aluminum oxide and phosphorus oxide and a suitable directing agent. The silicophosphoaluminates produced have ion exchange properties and are readily convertible to catalytically active material.Type: GrantFiled: December 21, 1984Date of Patent: June 16, 1987Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Roland von Ballmoos
-
Patent number: 4664897Abstract: A new crystalline silicophosphoaluminate designated MCM-4 and having a particular crystal strcuture is provided. This crystalline material has ion-exchange properties and is readily convertible to catalytically active material.Type: GrantFiled: September 16, 1986Date of Patent: May 12, 1987Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Roland von Ballmoos
-
Patent number: 4654138Abstract: The crystalline silicophosphoaluminate designated MCM-10 catalyzes various processes for modifying organic compounds, particularly the cracking of hydrocarbons and the conversion of alcohols and ethers to olefins.Type: GrantFiled: August 21, 1984Date of Patent: March 31, 1987Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Ernest W. Valyocsik, Roland von Ballmoos
-
Patent number: 4652684Abstract: A spent lignin fermented waste-liquor solution containing vanillin is treated to remove the vanillin by contacting it with a suitable large pore zeolite.Type: GrantFiled: November 4, 1985Date of Patent: March 24, 1987Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Ralph A. Powell
-
Patent number: 4647442Abstract: An improved method of synthesis for a composition comprising crystalline silicophosphoaluminate (MCM-2) is provided. The composition has ion-exchange properties and is readily convertible to catalytically active material. The synthesis method requires two liquid phases comprising a suitable organic or inorganic directing agent and specific reactants, including a specific aluminum phosphate of the ALPO-5 structure.Type: GrantFiled: August 21, 1984Date of Patent: March 3, 1987Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Roland von Ballmoos
-
Patent number: 4639357Abstract: A new crystalline silicophosphoaluminate designated MCM-5 and having a particular crystal structure is provided. This crystalline material has ion-exchange properties and is readily convertible to catalytically active material.Type: GrantFiled: December 21, 1984Date of Patent: January 27, 1987Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Roland von Ballmoos
-
Patent number: 4639358Abstract: A new crystalline silicophosphoaluminate designated MCM-1 and having a particular crystal structure is provided. This crystalline material has ion-exchange properties and is readily convertible to catalytically active material.Type: GrantFiled: December 21, 1984Date of Patent: January 27, 1987Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Roland von Ballmoos
-
Patent number: 4632811Abstract: A new crystalline silicophosphoaluminate designated MCM-3 and having a particular crystal structure is provided. This crystalline material has ion-exchange properties and is readily convertible to catalytically active material.Type: GrantFiled: December 21, 1984Date of Patent: December 30, 1986Assignee: Mobil Oil CorporationInventors: Eric G. Derouane, Roland von Ballmoos