Patents by Inventor Marcelo Lozada y Cassou
Marcelo Lozada y Cassou 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: 9981958Abstract: Oxazolidines, a process for producing the oxazolidines, and use as additives for fuels to prevent and control deposits in internal combustion engines are disclosed. The oxazolidines are derived from polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and have the structural formula wherein: R is a polyakyl or polyalkenyl group having an average molecular weight ranging from 450 to 5000 daltons; m is an integer between 1 and 5; n is an integer between 0 and 1; and R1, R2, R3, and R4 are independent radicals, represented by the groups: —H, —CH2(CH2)AB, —C6H3DE or —C10H4FG; wherein: A is an integer between 0 and 8, B is a group selected among —H, —NH2, —OH, —COOH, and D, E, F, and G are independent radicals, selected among the groups: —H, —CH3, —CH2CH3, —CH2CH2CH3, —CH2(CH2)2CH3, —(CH3)3, C6H5, —NH2, —OH, —OCH3, OCH2CH2OH, OCH(CH3)CH2OH, OC6H5—COOH, and —SO3.Type: GrantFiled: April 15, 2008Date of Patent: May 29, 2018Assignee: Instituto Mexicano Del PetroleoInventors: Luis Silvestre Zamudio Rivera, Eugenio Alejandro Flores Oropeza, Marcelo Lozada y Cassou, Hiram Isaac Beltran Conde, Eduardo Buenrostro Gonzalez, Youri Douda, Mario Alberto Guzman Vega, Adela Morales Pacheco, Violeta Yasmin Mena Cervantes, Raul Hernandez Altamirano
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Patent number: 9932430Abstract: The present invention is related to the use of formulations of new random copolymers and terpolymers, synthesized by a method of semi continuous emulsion polymerization, and that function as flow improvers, lowering the pour point and reducing the viscosity of Mexicans crude oils, which have gravities within the range of 9 to 30° API.Type: GrantFiled: December 8, 2014Date of Patent: April 3, 2018Assignee: Instituto Mexicano Del PetroleoInventors: Laura Veronica Castro Sotelo, Eugenio Alejandro Flores Oropeza, Gabriel Cendejas Santana, Marcelo Lozada Y Cassou, Flavio Salvador Vazquez Moreno
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Patent number: 9776174Abstract: The invention relates to a method of preparing a catalytic composition comprising at least one non-noble metal from group VIII and at least one metal from group VIB of the periodic table. The invention also relates to the catalytic composition thus produced, which has a high specific activity in reactions involving the hydroprocessing of light and intermediate fractions, preferably in reactions involving the hydrotreatment of hydrocarbon streams, including hydrodesulphurisation (HDS), hydrodenitrogenation (HDN) and hydro-dearomatisation (HDA).Type: GrantFiled: December 4, 2014Date of Patent: October 3, 2017Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Jose Antonio Toledo Antonio, Miguel Perez Luna, Maria Antonia Cortes Jacome, Jose Escobar Aguilar, Maria de Lourdes Mosqueira Mondragon, Carlos Angeles Chavez, Esteban Lopez Salinas, Victor Perez Moreno, Gerardo Ferrat Torres, Rodolfo Juventino Mora Vallejo, Marcelo Lozada Y Cassou
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Patent number: 9518231Abstract: The present invention relates to demulsifying and dehydrating formulations of heavy crude oil based block copolymers amine bifunctionalized with low polydispersities. These formulations can contain solvents whose boiling point is in the range from 35 to 200° C., preferably: dichloromethane, chloroform, toluene, xylenes, turbosine, naphtha or mixtures thereof.Type: GrantFiled: July 23, 2014Date of Patent: December 13, 2016Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Gabriel Cendejas Santana, Eugenio Alejandro Flores Oropeza, Laura Veronica Castro Sotelo, Aristeo Estrada Buendia, Marcelo Lozada y Cassou, Flavio Salvador Vazquez Moreno
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Patent number: 9404052Abstract: The present invention relates to the application of ionic liquids individually or in formulation to dry and desalt crudes oils having API gravities in the range of 8 to 20 (median, heavy and extra-heavy) when applied at concentrations ranging from 500 and up to 5000 ppm. The ionic liquids have a cation consisting of quaternary ammonium, wherein the substituents R, R1 and R2 are independent radicals represented by alkyl chains including 2 to 8 carbon atoms; and anion selected from the group consisting of ethylsulfate, methylsulfate and chloride.Type: GrantFiled: April 10, 2012Date of Patent: August 2, 2016Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Eugenio Alejandro Flores Oropeza, Laura Verónica Castro Sotelo, Alfonso López Ortega, José Gonzalo Hernández Cortez, Fernando Alvarez Ramírez, Flavio Salvador Vázquez Moreno, Arquímedes Estrada Martínez, Marcelo Lozada Y Cassou
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Patent number: 9221803Abstract: The present invention relates to formulations of asphaltenes' inhibitor-dispersant additives based on oxazolidine derived from polyalkyl or polyalkenyl N-hydroxyalkyl succinimides. Said formulations can contain inert organic solvents, preferably including: toluene, mixtures of xylene, o-xylene, p-xylene, kerosene, turbo-fuel; or inert hydrocarbon solvents having boiling points within the range of gasoline and diesel; or inert hydrocarbon or organic solvents having a boiling point within a range from 75 to 300° C. The ratio in weight of inert organic solvents to additive that prevents and controls the precipitation and deposition of asphaltenes ranges from 1:9 to 9:1, preferably from 1:3 to 3:1.Type: GrantFiled: November 4, 2008Date of Patent: December 29, 2015Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Violeta Yasmin Mena Cervantes, Simon Lopez Ramirez, Luis Silvestre Zamudio Rivera, Youri Douda, Mario Alberto Guzman Vega, Marcelo Lozada Y Cassou, Adela Morales Pacheco, Hiram Issac Beltran Conde, Raul Hernandez Altamirano, Eduardo Buenrostro Gonzalez, Mariana Barcenas Castaneda
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Patent number: 9120885Abstract: The present invention is related to the use of formulations of new random copolymers and terpolymers, synthesized by a method of semi continuous emulsion polymerization, and that function as flow improvers, lowering the pour point and reducing the viscosity of Mexicans crude oils, which have gravities within the range of 9 to 30° API.Type: GrantFiled: September 21, 2010Date of Patent: September 1, 2015Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Laura Veronica Castro Sotelo, Eugenio Alejandro Flores Oropeza, Gabriel Cendejas Santana, Marcelo Lozada Y Cassou, Flavio Salvador Vazquez Moreno
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Patent number: 9074982Abstract: This invention consists in a device and a method to determine the ionic, electronic and mixed (electronic-ionic) conductivity in polymer, ceramic and composite (polymeric-ceramic) membranes. The invention device may work from room temperature to 300° C. and the method includes the collection and analysis of electrochemical impedance spectra during cell operation.Type: GrantFiled: August 30, 2012Date of Patent: July 7, 2015Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Joel Ramírez Salgado, Marco Antonio Domínguez Aguilar, Arquimides Estrada Martínez, Marcelo Lozada Y Cassou
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Publication number: 20150094441Abstract: The present invention is related to the use of formulations of new random copolymers and terpolymers, synthesized by a method of semi continuous emulsion polymerization, and that function as flow improvers, lowering the pour point and reducing the viscosity of Mexicans crude oils, which have gravities within the range of 9 to 30° API.Type: ApplicationFiled: December 8, 2014Publication date: April 2, 2015Inventors: Laura Veronica CASTRO SOTELO, Eugenio Alejandro FLORES OROPEZA, Gabriel CENDEJAS SANTANA, Marcelo LOZADA Y CASSOU, Flavio Salvador VAZQUEZ MORENO
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Publication number: 20150087502Abstract: The invention relates to a method of preparing a catalytic composition comprising at least one non-noble metal from group VIII and at least one metal from group VIB of the periodic table. The invention also relates to the catalytic composition thus produced, which has a high specific activity in reactions involving the hydroprocessing of light and intermediate fractions, preferably in reactions involving the hydrotreatment of hydrocarbon streams, including hydrodesulphurisation (HDS), hydrodenitrogenation (HDN) and hydro-dearomatisation (HDA).Type: ApplicationFiled: December 4, 2014Publication date: March 26, 2015Inventors: Jose Antonio TOLEDO ANTONIO, Miguel PEREZ LUNA, Maria Antonia CORTES JACOME, Jose ESCOBAR AGUILAR, Maria de Lourdes MOSQUEIRA MONDRAGON, Carlos ANGELES CHAVEZ, Esteban LOPEZ SALINAS, Victor PEREZ MORENO, Gerardo FERRAT TORRES, Rodolfo Juventino MORA VALLEJO, Marcelo LOZADA Y CASSOU
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Patent number: 8946110Abstract: The invention relates to a method of preparing a catalytic composition comprising at least one non-noble metal from group VIII and at least one metal from group VIB of the periodic table. The invention also relates to the catalytic composition thus produced, which has a high specific activity in reactions involving the hydroprocessing of light and intermediate fractions, preferably in reactions involving the hydrotreatment of hydrocarbon streams, including hydrodesulphurization (HDS), hydrodenitrogenation (HDN) and hydro-dearomatization (HDA).Type: GrantFiled: August 22, 2006Date of Patent: February 3, 2015Assignee: Instituto Mexicano del PetroleoInventors: José Antonio Toledo Antonio, Miguel Pérez Luna, María Antonia Cortés Jacome, José Escobar Aguilar, María de Lourdes Mosqueira Mondragón, Carlos Angeles Chávez, Esteban López Salinas, Víctor Pérez Moreno, Gerardo Ferrat Torres, Rodolfo Juventino Mora Vallejo, Marcelo Lozada y Cassou
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Publication number: 20140336285Abstract: The present invention relates to demulsifying and dehydrating formulations of heavy crude oil based block copolymers amine bifunctionalized with low polydispersities. These formulations can contain solvents whose boiling point is in the range from 35 to 200° C.Type: ApplicationFiled: July 23, 2014Publication date: November 13, 2014Inventors: Gabriel Cendejas Santana, Eugenio Alejandro Flores Oropeza, Laura Veronica Castro Sotelo, Aristeo Estrada Buendia, Marcelo Lozada y Cassou, Flavio Salvador Vazquez Moreno
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Patent number: 8815960Abstract: The present invention relates to demulsifying and dehydrating formulations of heavy crude oil based block copolymers amine bifunctionalized with low polydispersities. These formulations can contain solvents whose boiling point is in the range from 35 to 200° C., preferably: dichloromethane, chloroform, toluene, xylenes, turbosine, naphtha or mixtures thereof.Type: GrantFiled: December 10, 2009Date of Patent: August 26, 2014Assignee: Instituto Mexicano Del PetroleoInventors: Gabriel Cendejas Santana, Eugenio Alejandro Flores Oropeza, Laura Verónica Castro Sotelo, Aristeo Estrada Buendía, Marcelo Lozada y Cassou, Flavio Salvador Vázquez Moreno
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Patent number: 8722588Abstract: The present invention relates to the preparation of foaming formulations for high temperature, salinity and concentration of divalent ions, such as Calcium and Magnesium, that apply the synergistic effect of sodium alpha olefin sulfonates and alkyl amido propyl betaines; said inventions may use, as solvent, water, sea water, connate water, alcohols or mixtures all thereof. Said formulations control the piping of gas in reservoirs of the naturally fractured carbonate type.Type: GrantFiled: October 5, 2009Date of Patent: May 13, 2014Assignee: Instituto Mexicano del PetroleoInventors: Luis Silvestre Zamudio Rivera, Simón López Ramírez, Cecilia de los Ángeles Durán Valencia, Raül Hernández Altamirano, Violeta Yasmín Mena Cervantes, Norma Araceli García Muñoz, Alfredo Ríos Reyes, Alejandro Ortega Rodríguez, JoséLuis Mendoza De La Cruz, Marcelo Lozada Y Cassou, Eduardo Buenrostro González
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Patent number: 8658126Abstract: Nanomaterials of the JT phase of the titanium oxide TiO2-x, where 0?x?1 having as a building block a crystalline structure with an orthorhombic symmetry and described by at least one of the space groups 59 Pmmn, 63 Amma, 71 Immm or 63 Bmmb. The nanomaterials are in the form of nanofibers, nanowires, nanorods, nanoscrolls and/or nanotubes and are obtained from a hydrogen titanate and/or a mixed sodium and hydrogen titanate precursor compound that is isostructural to the JT crystalline structure. The titanates are the hydrogenated, the protonated, the hydrated and/or the alkalinized phases of the JT crystalline phase that are obtained from titanium compounds such as titanium oxide with an anatase crystalline structure, amorphous titanium oxide, and titanium oxide with a rutile crystalline structure, and/or directly from the rutile mineral and/or from ilmenite.Type: GrantFiled: June 19, 2012Date of Patent: February 25, 2014Assignee: Instituto Mexicano del PetroleoInventors: Jose Antonio Toledo Antonio, Carlos Angeles Chavez, Maria Antonia Cortes Jacome, Fernando Alvarez Ramirez, Yosadara Ruiz Morales, Gerardo Ferrat Torres, Luis Francisco Flores Ortiz, Esteban Lopez Salinas, Marcelo Lozada y Cassou
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Publication number: 20130057295Abstract: This invention consists in a device and a method to determine the ionic, electronic and mixed (electronic-ionic) conductivity in polymer, ceramic and composite (polymeric-ceramic) membranes. The invention device may work from room temperature to 300° C. and the method includes the collection and analysis of electrochemical impedance spectra during cell operation.Type: ApplicationFiled: August 30, 2012Publication date: March 7, 2013Applicant: INSTITUTO MEXICANO DEL PETROLEOInventors: Joel RAMÍREZ SALGADO, Marco Antonio DOMÍNGUEZ AGUILAR, Arquimides ESTRADA MARTÍNEZ, Marcelo LOZADA Y CASSOU
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Publication number: 20120301526Abstract: Nanomaterials of the JT phase of the titanium oxide TiO2-x, where 0?x?1 having as a building block a crystalline structure with an orthorhombic symmetry and described by at least one of the space groups 59 Pmmn, 63 Amma, 71 Immm or 63 Bmmb. The nanomaterials are in the form of nanofibers, nanowires, nanorods, nanoscrolls and/or nanotubes and are obtained from a hydrogen titanate and/or a mixed sodium and hydrogen titanate precursor compound that is isostructural to the JT crystalline structure. The titanates are the hydrogenated, the protonated, the hydrated and/or the alkalinized phases of the JT crystalline phase that are obtained from titanium compounds such as titanium oxide with an anatase crystalline structure, amorphous titanium oxide, and titanium oxide with a rutile crystalline structure, and/or directly from the rutile mineral and/or from ilmenite.Type: ApplicationFiled: June 19, 2012Publication date: November 29, 2012Applicant: INSTITUTO MEXICANO DEL PETROLEOInventors: José Antonio Toledo Antonio, Carlos Angeles Chávez, Maria Antonia Cortés Jacome, Fernando Alvarez RamÍrez, Yosadara Ruiz Morales, Gerardo Ferrat Torres, Luis Francisco Flores Ortiz, Esteban López Salinas, Marcelo Lozada y Cassou
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Publication number: 20120255886Abstract: The present invention relates to the application of ionic liquids individually or in formulation to dry and desalt crudes oils having API gravities in the range of 8 to 12 (median, heavy and extra-heavy) when applied at concentrations ranging from 500 and up to 5000 ppm. The ionic liquids have a cation selected from the group consisting of carboxymethane-ammonium, ammonium, imidazolium, isoquinolinium, pyridinium, and 1,5-dicarboxylic-pentane-2-ammonium and an anion selected from the group consisting of R5COO?, Cl?, Br?, [BF4]?, [PF6]?, [SbF6]?, [R6SO4]?, [OTs]31 , [OMs]?, where R5 is alkyl, cycloalkyl, benzyl, alkenyl, aromatic or alkyl functionalized between 1 and 18 carbon atoms, and R6 is methyl or ethyl.Type: ApplicationFiled: April 10, 2012Publication date: October 11, 2012Applicant: INSTITUTO MEXICANO DEL PETROLEOInventors: Eugenio Alejandro FLORES OROPEZA, Laura Verónica CASTRO SOTELO, Alfonso LÓPEZ ORTEGA, José Gonzalo HERNÁNDEZ CORTEZ, Fernando ALVAREZ RAMÍREZ, Flavio Salvador VÁZQUEZ MORENO, Arquímedes ESTRADA MARTÍNEZ, Marcelo LOZADA Y CASSOU
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Patent number: 7981275Abstract: The present invention relates to the novel catalytic composition having a high specific activity in reactions involving hydroprocessing of light and intermediate petroleum fractions, and preferably in hydrodesulphurization and hydrodenitrogenation reactions. The inventive catalyst contains at least one element of a non-noble metal from group VIII, at least one element from group VIB and, optionally, a group one element of the VA group, which are deposited on a novel catalytic support comprising of an inorganic metal oxide from group IVB, consisting of an (1D) one-dimensional nanostructured material having nanofibers and/or nanotube morphology with high specific surface area of between 10 and 500 m2/g.Type: GrantFiled: October 10, 2003Date of Patent: July 19, 2011Assignee: Instituto Mexicano del PetroleoInventors: José Antonio Toledo Antonio, José Escobar Aguilar, María Antonia Cortés Jacome, Maria de Lourdes Mosqueira Mondragon, Víctor Pérez Moreno, Carlos Angeles Chávez, Esteban López Salinas, Marcelo Lozada y Cassou
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Publication number: 20110162558Abstract: The present invention relates to formulations of asphaltenes' inhibitor-dispersant additives based on oxazolidine derived from polyalkyl or polyalkenyl N-hydroxyalkyl succinimides. Said formulations can contain inert organic solvents, preferably including: toluene, mixtures of xylene, o-xylene, p-xylene, kerosene, turbo-fuel; or inert hydrocarbon solvents having boiling points within the range of gasoline and diesel; or inert hydrocarbon or organic solvents having a boiling point within a range from 75 to 300° C. The ratio in weight of inert organic solvents to additive that prevents and controls the precipitation and deposition of asphaltenes ranges from 1:9 to 9:1, preferably from 1:3 to 3:1.Type: ApplicationFiled: November 4, 2008Publication date: July 7, 2011Applicant: INSTITUTO MEXICANO DEL PETROLEOInventors: Violeta Yasmin Mena Cervantes, Simon Lopez Ramirez, Luis Silvestre Zamudio Rivera, Youri Douda, Mario Alberto Guzman Vega, Marcelo Lozada Y Cassou, Adela Morales Pacheco, Hiram Issac Beltran Conde, Raul Hernandez Altamirano, Eduardo Buenrostro Gonzalez, Mariana Barcenas Castaneda