Patents by Inventor Teresa Navarro Villalba
Teresa Navarro Villalba 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).
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Patent number: 11472755Abstract: Method of making BTX compounds including benzene, toluene, and xylene, including feeding heavy reformate to a reactor containing a composite zeolite catalyst. The composite zeolite catalyst includes a mixture of layered mordenite (MOR-L) comprising a layered or rod-type morphology with a layer thickness less than 30 nm and ZSM-5. The MOR-L, the ZSM-5, or both include one or more impregnated metals. The method further includes producing the BTX compounds by simultaneously performing transalkylation and dealkylation of the heavy reformate in the reactor. The composite zeolite catalyst is able to simultaneously catalyze both the transalkylation and dealkylation reactions.Type: GrantFiled: July 13, 2021Date of Patent: October 18, 2022Assignees: SAUDI ARABIAN OIL COMPANY, CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS, UNIVERSITAT POLITECNICA DE VALENCIAInventors: Raed Hasan Abudawoud, Avelino Corma Canos, M. Teresa Portilla Ovejero, Vicente J. Margarit Benavent, M. Teresa Navarro Villalba, M. Cristina Martinez Sanchez, Ibrahim M. Al-Zahrani
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Publication number: 20210340080Abstract: Method of making BTX compounds including benzene, toluene, and xylene, including feeding heavy reformate to a reactor containing a composite zeolite catalyst. The composite zeolite catalyst includes a mixture of layered mordenite (MOR-L) comprising a layered or rod-type morphology with a layer thickness less than 30 nm and ZSM-5. The MOR-L, the ZSM-5, or both include one or more impregnated metals. The method further includes producing the BTX compounds by simultaneously performing transalkylation and dealkylation of the heavy reformate in the reactor. The composite zeolite catalyst is able to simultaneously catalyze both the transalkylation and dealkylation reactions.Type: ApplicationFiled: July 13, 2021Publication date: November 4, 2021Applicants: Saudi Arabian Oil Company, Universitat Politecnica De Valencia, Consejo Superior De Investigaciones CientificasInventors: Raed Hasan Abudawoud, Avelino Corma Canos, M. Teresa Portilla Ovejero, Vicente J. Margarit Benavent, M. Teresa Navarro Villalba, M. Cristina Martinez Sanchez, Ibrahim M. Al-Zahrani
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Patent number: 11091413Abstract: Method of making BTX compounds including benzene, toluene, and xylene, including feeding heavy reformate to a reactor containing a composite zeolite catalyst. The composite zeolite catalyst includes a mixture of layered mordenite (MOR-L) comprising a layered or rod-type morphology with a layer thickness less than 30 nm and ZSM-5. The MOR-L, the ZSM-5, or both include one or more impregnated metals. The method further includes producing the BTX compounds by simultaneously performing transalkylation and dealkylation of the heavy reformate in the reactor. The composite zeolite catalyst is able to simultaneously catalyze both the transalkylation and dealkylation reactions.Type: GrantFiled: March 12, 2019Date of Patent: August 17, 2021Assignees: Saudi Arabian Oil Company, Universitat Politecnica De Valencia, Consejo Superior De Investigaciones CientificasInventors: Raed Hasan Abudawoud, Avelino Corma Canos, M. Teresa Portilla Ovejero, Vicente J. Margarit Benavent, M. Teresa Navarro Villalba, M. Cristina Martinez Sanchez, Ibrahim M. Al-Zahrani
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Patent number: 10723631Abstract: A method of forming composite zeolite catalyst particles includes combining a silicon source, an aqueous organic structure directing agent having a polyquaternary ammonium compound, water and an aluminum source to form a catalyst gel. The method also includes heating the catalyst gel to form the composite zeolite catalyst particle having an intergrowth region with a mixture of both Mordenite crystals and ZSM-5 crystals. An associated method of making xylene includes feeding heavy reformate to a reactor, the reactor containing the composite zeolite catalyst particles, and producing xylene by simultaneously performing dealkylation and transalkylation of the heavy reformate in the reactor, where each composite zeolite catalyst particle is able to catalyze both the dealkylation and transalkylation reactions.Type: GrantFiled: March 12, 2019Date of Patent: July 28, 2020Assignees: Saudi Arabian Oil Company, Universitat Politecnica De Valencia, Consejo Superior De Investigaciones CientificasInventors: Raed Hasan Abudawoud, Avelino Corma Canos, M. Teresa Portilla Ovejero, Vicente J. Margarit Benavent, M. Teresa Navarro Villalba, M. Cristina Martinez Sanchez, Ibrahim M. Al-Zahrani
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Patent number: 10723630Abstract: A method of forming a composite zeolite catalyst includes combining a silicon source and an aqueous organic structure directing agent having a polyamino cation compound to form a silica intermediary gel, introducing an aluminum precursor to the silica intermediary gel to form a catalyst precursor gel, evaporating water in the catalyst precursor gel to form a catalyst gel, and heating the catalyst gel to form a composite zeolite catalyst particle having an intergrowth region with a mixture of both Beta crystals and ZSM-5 crystals. An associated method of making xylene includes feeding heavy reformate to a reactor, the reactor containing the composite zeolite catalyst, and producing xylene by simultaneously performing dealkylation and transalkylation of the heavy reformate in the reactor, where each composite zeolite catalyst particle is able to catalyze both the dealkylation and transalkylation reactions.Type: GrantFiled: March 12, 2019Date of Patent: July 28, 2020Assignees: Saudi Arabian Oil Company, Universitat Politecnica De Valencia, Consejo Superior De Investigaciones CientificasInventors: Mohamed Elanany, Raed Abudawoud, Avelino Corma Canos, M. Teresa Portilla Ovejero, Vicente J. Margarit Benavent, M. Teresa Navarro Villalba, M. Cristina Martinez Sanchez, Ibrahim M. Al-Zahrani, Khalid A. Al-Majnouni
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Publication number: 20190284056Abstract: A method of forming a composite zeolite catalyst includes combining a silicon source and an aqueous organic structure directing agent having a polyamino cation compound to form a silica intermediary gel, introducing an aluminum precursor to the silica intermediary gel to form a catalyst precursor gel, evaporating water in the catalyst precursor gel to form a catalyst gel, and heating the catalyst gel to form a composite zeolite catalyst particle having an intergrowth region with a mixture of both Beta crystals and ZSM-5 crystals. An associated method of making xylene includes feeding heavy reformate to a reactor, the reactor containing the composite zeolite catalyst, and producing xylene by simultaneously performing dealkylation and transalkylation of the heavy reformate in the reactor, where each composite zeolite catalyst particle is able to catalyze both the dealkylation and transalkylation reactions.Type: ApplicationFiled: March 12, 2019Publication date: September 19, 2019Applicants: Saudi Arabian Oil Company, Instituto de Tecnologia Quimica, UPV-CSICInventors: Mohamed Elanany, Raed Abudawoud, Avelino Corma Canos, M. Teresa Portilla Ovejero, Vicente J. Margarit Benavent, M. Teresa Navarro Villalba, M. Cristina Martinez Sanchez, Ibrahim M. Al-Zahrani, Khalid A. Al-Majnouni
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Publication number: 20190284114Abstract: Method of making BTX compounds including benzene, toluene, and xylene, including feeding heavy reformate to a reactor containing a composite zeolite catalyst. The composite zeolite catalyst includes a mixture of layered mordenite (MOR-L) comprising a layered or rod-type morphology with a layer thickness less than 30 nm and ZSM-5. The MOR-L, the ZSM-5, or both include one or more impregnated metals. The method further includes producing the BTX compounds by simultaneously performing transalkylation and dealkylation of the heavy reformate in the reactor. The composite zeolite catalyst is able to simultaneously catalyze both the transalkylation and dealkylation reactions.Type: ApplicationFiled: March 12, 2019Publication date: September 19, 2019Applicants: Saudi Arabian Oil Company, Instituto de Tecnologia Quimica, UPV-CSICInventors: Raed Hasan Abudawoud, Avelino Corma Canos, M. Teresa Portilla Ovejero, Vicente J. Margarit Benavent, M. Teresa Navarro Villalba, M. Cristina Martinez Sanchez, Ibrahim M. Al-Zahrani
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Publication number: 20190284057Abstract: A method of forming composite zeolite catalyst particles includes combining a silicon source, an aqueous organic structure directing agent having a polyquaternary ammonium compound, water and an aluminum source to form a catalyst gel. The method also includes heating the catalyst gel to form the composite zeolite catalyst particle having an intergrowth region with a mixture of both Mordenite crystals and ZSM-5 crystals. An associated method of making xylene includes feeding heavy reformate to a reactor, the reactor containing the composite zeolite catalyst particles, and producing xylene by simultaneously performing dealkylation and transalkylation of the heavy reformate in the reactor, where each composite zeolite catalyst particle is able to catalyze both the dealkylation and transalkylation reactions.Type: ApplicationFiled: March 12, 2019Publication date: September 19, 2019Applicants: Saudi Arabian Oil Company, Instituto de Tecnologia Quimica, UPV-CSICInventors: Raed Hasan Abudawoud, Avelino Corma Canos, M. Teresa Portilla Ovejero, Vicente J. Margarit Benavent, M. Teresa Navarro Villalba, M. Cristina Martinez Sanchez, Ibrahim M. Al-Zahrani
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Publication number: 20190284110Abstract: Method of making BTX compounds including benzene, toluene, and xylene, including feeding heavy reformats to a reactor containing a composite zeolite catalyst. The composite zeolite catalyst includes a mixture of nanocrystalline Beta zeolite (Nano-Beta) comprising crystal size in the range of 10 to 40 nm and ZSM-5. The Nano-Beta, the ZSM-5, or both include one or more impregnated metals. The method further includes producing the BTX compounds by simultaneously performing transalkylation and dealkylation of the heavy reformate in the reactor. The composite zeolite catalyst is able to simultaneously catalyze both the transalkylation and dealkylation reactions.Type: ApplicationFiled: March 12, 2019Publication date: September 19, 2019Applicants: Saudi Arabian Oil Company, c/o Instituto de Technologia Quimica, UPV-CSICInventors: Avelino Corma Canos, M. Teresa Portilla Ovejero, M. Cristina Martinez Sanchez, M. Teresa Navarro Villalba, Sohel Shaikh, Raed Abudawoud
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Publication number: 20130046123Abstract: The present invention relates to a micro-porous crystalline material that is isostructural with the mineral known as boggsite and to a method for preparing same, said material having composition x X2O3: z ZO2: y YO2, wherein: X is a trivalent element such as Al, B, Fe, In, Ga, Cr or mixtures thereof; where (y+z)/x may have values between 9 and infinity; Z corresponds to a tetravalent element selected from Si and Ge or mixtures thereof; Y corresponds to a tetravalent element such as Ti, Sn, Zr, V or mixtures thereof; and z/y may have values between 10 and infinity.Type: ApplicationFiled: September 5, 2012Publication date: February 21, 2013Inventors: Avelino CORMA CANÓS, Fernando REY GARCÍA, Maria Teresa NAVARRO VILLALBA, Raquel SIMANCAS COLOMA, Noemi VELAMAZÁN CIRUJEDA, Ángel CANTIN SANZ, José Luis JORDÁ MORET
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Patent number: 7056489Abstract: The invention relates to a method for synthesizing a family of zeolite materials, grouped together under the name ITQ-16, in an OH? medium and in the absence of fluorides and to the catalytic applications thereof. The zeolite ITQ-16 family of materials is characterized by having different proportions of distinct polymorphs A, B and C described as possible intergrowths in the Beta zeolite and, therefore, the X-ray diffraction patterns of said family are different from that described for the Beta zeolite. In its calcinated form, zeolite ITQ-16 has the following empirical formula: x(MXO2):tTO2:gGeO2:(1?g)SiO2, wherein T is one or more elements having +4 oxidation status and different from Ge and Si; X is one or more elements having +3 oxidation status; and M can be H+ or one or more inorganic cations with a +n charge.Type: GrantFiled: August 1, 2003Date of Patent: June 6, 2006Assignees: Consejo Superior de Investigaciones Cientificas, Universidad Politenica de ValenciaInventors: Avelino Corma Canós, Teresa Navarro Villalba, Susana Valencia Valencia, Fernando Rey García
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Patent number: 7014836Abstract: The present invention refers to a crystalline material that does not contain fluorides, with a composition in a roasted state corresponding to that of the material called ITQ-17 and that has a composition on an anhydrous base and in terms of oxide moles upon being synthesized, unroasted, represented by: xX2O3:(1?z)YO2:zGeO2:r/nRnO wherein: X is at least one trivalent element, Y is one or more tetravalent elements other than germanium, R is an organic structure directing compound, preferably the cation 1-methyl-4-aza,1-azoniumbicyclo[2.2.2]octane (DABMe+) or the cation 1,4-bis[N-(4-aza,1-azoniumbicyclo[2.2.2]octane)methyl]benzene (d-DABBz)+2 x varies between 0 and 0.02, z is comprised between 0.02 and 0.67, r varies between 0.01 and 0.5, and n is 1 or 2. It also refers to a process for synthesizing said material, as well as to the material obtained by said process and subjected to a step of post-synthesis to eliminate the organic component from its structure.Type: GrantFiled: December 31, 2003Date of Patent: March 21, 2006Assignees: Consejo Superior de Investigaciones Cientificas, Universidad Politecnica de ValenciaInventors: Avelino Corma Canós, Fernando Rey García, María Teresa Navarro Villalba, Susana Valencia Valencia
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Patent number: 6916459Abstract: This invention refers to a new zeolitic material included under the ITQ-16 denomination, to the method for obtaining them and their use as catalysts. This material, ITQ-16 zeolite, is characterized by having different ratios of the different polymorphs A, B and C described as possible intergrowths in Beta zeolite and which, therefore, show different X-ray diffraction patterns to that described for Beta zeolite, showing the X-ray diffraction pattern for ITQ-16, as it is synthesised, diffraction peaks at 2? angles of 6.9°, 7.4°, and 9.6°, simultaneously. ITQ-16 zeolite in its calcinated form has the following empiric formula: x(M1/nXO2):tTO2:gGeO2:(1?g)SiO2 where T is one or various elements with +4 oxidation status, different of Ge and Si; X is one or various elements with +3 oxidation status and M can be H+ or one or various inorganic cations with charge +n, t is comprised between 0 and 0.1, g is comprised between 0.001 and 0.33 and x is comprised between 0 and 0.2.Type: GrantFiled: April 11, 2003Date of Patent: July 12, 2005Assignees: Consejo Superior De Investigaciones Cientificas, Universidad Politecnica De ValenciaInventors: Avelino Corma Canós, Maria Teresa Navarro Villalba, Fernando Rey García, Susana Valencia Valencia
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Patent number: 6896869Abstract: A microporous crystalline material of a zeolitic nature, that corresponds to the empirical formula x(M1/nXO2):yYO2:zGeO2:(1?z)TO2 wherein x has a value between 0 and 0.2; y has a value between 0 and 0.1; z has a value between 0 and 0.67; being at least one of the z, x and y above zero; M is selected between H+ and inorganic cations with a +n charge; X is at least one chemical element with a +3 oxidation status; Y is at least one chemical element with a +4 oxidation status; and T is at least one chemical element with a +4 oxidation status; and is also characterised by its X-ray diffraction pattern and its microporous properties, and can be employed as a catalyst or oxidating agent in the separation and transformation of organic compounds.Type: GrantFiled: April 11, 2003Date of Patent: May 24, 2005Assignees: Consejo Superior de Investigaciones Cientificas, Universidad Politecnica de ValenciaInventors: Avelino Corma Canós, María Teresa Navarro Villalba, Fernando Rey García, Susana Valencia Valencia
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Publication number: 20040171477Abstract: The present invention refers to a crystalline material that does not contain fluorides, with a composition in a roasted state corresponding to that of the material called ITQ-17 and that has a composition on an anhydrous base and in terms of oxide moles upon being synthesized, unroasted, represented by:Type: ApplicationFiled: December 31, 2003Publication date: September 2, 2004Inventors: Avelino Corma Canos, Fernando Rey Garcia, Maria Teresa Navarro Villalba, Susana Valencia Valencia
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Publication number: 20040089587Abstract: The invention relates to a method for synthesizing a family of zeolite materials, grouped together under the name ITQ-16, in an OH− medium and in the absence of fluorides and to the catalytic applications thereof. The zeolite ITQ-16 family of materials is characterized by having different proportions of distinct polymorphs A, B and C described as possible intergrowths in the Beta zeolite and, therefore, the X-ray diffraction patterns of said family are different from that described for the Beta zeolite. In its calcinated form, zeolite ITQ-16 has the following empirical formula: x(MXO2):tTO2:gGeO2:(1−g)SiO2, wherein T is one or more elements having +4 oxidation status and different from Ge and Si; X is one or more elements having +3 oxidation status; and M can be H+ or one or more inorganic cations with a +n charge.Type: ApplicationFiled: August 1, 2003Publication date: May 13, 2004Inventors: Avelino Corma Canos, Teresa Navarro Villalba, Susana Valencia Valencia, Fernando Rey Garcia
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Publication number: 20040042958Abstract: This invention refers to a new zeolitic material included under the ITQ-16 denomination, to the method for obtaining them and their use as catalysts. This material, ITQ-16 zeolite, is characterized by having different ratios of the different polymorphs A, B and C described as possible intergrowths in Beta zeolite and which, therefore, show different X-ray diffraction patterns to that described for Beta zeolite, showing the X-ray diffraction pattern for ITQ-16, as it is synthesised, diffraction peaks at 2&thgr; angles of 6.9°, 7.4°, and 9.6°, simultaneously.Type: ApplicationFiled: April 11, 2003Publication date: March 4, 2004Inventors: Avelino Corma Canos, Maria Teresa Navarro Villalba, Fernando Rey Garcia, Susana Valencia Valencia
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Publication number: 20030229257Abstract: A microporous crystalline material of a zeolitic nature, that corresponds to the empirical formulaType: ApplicationFiled: April 11, 2003Publication date: December 11, 2003Inventors: Avelino Corma Canos, Maria Teresa Navarro Villalba, Fernando Rey Garcia, Susana Valencia Valencia
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Patent number: 5783167Abstract: The invention relates to a material comprised of silicotitanates having a crystalline structure similar to MCM-41 zeolites, said material being characterized in that it contains in its lattice atoms of titanium and channels in its porous structure whose average sizes exceed 10 .ANG., making possible its utilization in catalytic reactions wherein are involved large organic molecules, such as the oxidation of olefins to epoxides and glycols, alcohols to cetones, thio-ethers to sulfoxides and sulfones, and phenol to catechol and hydroquinone, and if Al is introduced into the structure it is then possible to prepare bifunctional catalysts "oxidant-acid/base." In order to obtain such product, and aqueous solution is used which contains the ion NR.sub.1 N.sub.2 N.sub.3 N.sub.4.sup.+ as well as another aqueous solution which contains tetramethyl ammonium hydroxide and a silica source (e.g. aerosil.RTM.. After homogenization, more silica is added, as is the Ti source ?e.g. Ti(C.sub.2 OH.sub.5).sub.4 !.Type: GrantFiled: February 15, 1995Date of Patent: July 21, 1998Assignees: Consejo Superior Investigaciones Cientificas, Universidad Politecnica ValenciaInventors: Avelino Corma Canos, Teresa Navarro Villalba, Joaquin Perez Pariente