Patents by Inventor Arquímedes ESTRADA MARTÍNEZ
Arquímedes ESTRADA MARTÍNEZ 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: 10676829Abstract: Compounds and compositions are used as corrosion inhibitors for pipelines for crude oil containing water with high salt concentrations. The inhibitors are ionic liquids, imidazoles, benzotriazoles, and mixtures thereof. The composition includes two or more members of the inhibitors with a solvent. The inhibitors reduce corrosion of metallic surfaces of the pipelines containing crude oil having 0.2 and 40 wt % water, 10,000 to 70,000 ppm salt, and 9 to 600 ppm hydrogen sulfide. A synergic effect is provided by two or more different inhibitors. This synergy is derived from interactions with the metallic surface, among themselves or with the corrosive medium depending on the chain length, to inhibit the corrosion with decrease of the formulation dose. The composition can be a ternary formulation of the three families or two components of one family and a third component of a different family.Type: GrantFiled: May 17, 2018Date of Patent: June 9, 2020Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Jesus Marin Cruz, Araceli Vega Paz, Luisa Elena Montiel Sanchez, Salvador Castillo Cervantes, Rafael Martinez Palou, Arquimedes Estrada Martinez, Luis Manuel Quej Ake, Jose Luis Rodolfo Benitez Aguilar, Veronica Sanchez Garcia
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Patent number: 10221368Abstract: The present invention is directed to a formulation of corrosion inhibitors for corrosion control of low carbon steel piping, carrying different fuels products, obtained in refineries or petrochemical processes. The composition comprises active imidazoline inhibitors derived from vegetable oil selected from the group consisting of sunflower, canola, soybean, safflower, corn and mixtures thereof that are reacted with a polyalkylated polyamines such as diethylenetriamines (DETA), triethylenetetramine (TETA) and tetraethylenepentamine (TEPA). The imidazoline is reacted with 1 to 3 moles of a carboxylic acid having 2 to 6 carbon atoms. The product obtained is formulated with 50 to 60% weight of an aromatic solvent and 10 to 20 wt % of an alcohol.Type: GrantFiled: July 22, 2016Date of Patent: March 5, 2019Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Jose Luis Rodolfo Benitez Aguilar, Amalia Tobon Cervantes, Arquimedes Estrada Martinez, Nancy Navarro Ordonez
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Patent number: 10221349Abstract: This invention is directed to a method for defoaming crude oil by the addition of copolymers based on silicone free alkyl acrylics defoamers for crude oils with densities between 10 and 40° API. The alkyl acrylic copolymers at conditions similar to those of gas-liquid separators are efficient foam formation inhibitors in heavy and super-heavy crude oils to reduce foam levels between 15 and 50% faster than non-dosed crude oil. Some acrylic copolymers exhibited a greater efficiency as defoamers than commercial silicones, which promote the defoaming only 20 or 25 vol % faster than the natural foam collapse. Silicones as defoamers present serious problems as the formation of deposits and the deactivation of catalysts in the refining processes. These problems have originated a series of interdictions to use silicon based defoamers and new chemical compounds completely silicon free are required to control the foam levels in the gas/petroleum separation tanks.Type: GrantFiled: July 13, 2016Date of Patent: March 5, 2019Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Edgar Ivan Hernandez Carbajal, Enrique Cevada Maya, Alfonso Lopez Ortega, Cesar Andres Flores Sandoval, Fernando Alvarez Ramirez, Arquimedes Estrada Martinez, Flavio Salvador Vazquez Moreno
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Patent number: 10213708Abstract: The present invention relates to the application based on alkyl acrylate homopolymers, such as antifoaming agents in crude oils with densities of 10 to 40° API. Evaluation tests in “live” crude oil, under similar gas-liquid separation equipment conditions, showed that these polymers based on alkyl acrylate are effective foaming inhibitors in heavy and super-heavy crude oils, reducing the foam between 15 and 50% faster compared to crude oil without an antifoaming agent. Some acrylics show better performance than commercial silicon-based polymers, which suppress foam 20-25% faster than the blank. The antifoaming agents of this invention, based on alkyl acrylate and totally free of silicon, is an advantageous option, to replace the silicone-based foam inhibitors currently on the market.Type: GrantFiled: December 4, 2014Date of Patent: February 26, 2019Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Enrique Cevada Maya, Laura Veronica Castro Sotelo, Edgar Ivan Hernandez Carbajal, Cesar Andres Flores Sandoval, Alfonso Lopez Ortega, Aristeo Estrada Buendia, Fernando Alvarez Ramirez, Arquimedes Estrada Martinez, Flavio Salvador Vazquez Moreno
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Patent number: 10167388Abstract: The present invention is related to formulations consisting of block copolymers ?,?-di-aryl or alkyl sulfonates of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w of bis-ammonium and block copolymers ?,?-di-amine of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w, that are effective in the dewatering and desalting crude whose specific gravities are within the range of 14 to 23°API.Type: GrantFiled: August 3, 2017Date of Patent: January 1, 2019Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Eugenio Alejandro Flores Oropeza, Cesar Andres Flores Sandoval, Reyna Reyes Martinez, Jose Gonzalo Hernandez Cortez, Alfonso Lopez Ortega, Laura Veronica Castro Sotelo, Fernando Alvarez Ramirez, Arquimedes Estrada Martinez, Flavio Salvador Vazquez Moreno
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Patent number: 10125226Abstract: A chemical synthesis process is provided for the functionalization of monodispersed triblock copolymer (POEw-POPy-POEw) with secondary or tertiary amines at a semi-industrial level in glass reactors having a capacity between 1 L and 100 L. The process includes two stages where the first stage uses an alkylsulfonyl or arylsulfonyl chloride to obtain better leaving groups, and the second stage is the nucleophilic substitution with secondary or tertiary amines, to obtain the bifunctionalized triblock copolymers. The main advantage for this process is to reduce the quantity of unitary process done in each stage, the optimization of reaction times, and the stoichiometric relationships.Type: GrantFiled: June 4, 2014Date of Patent: November 13, 2018Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Cesar Andres Flores Sandoval, Eugenio Alejandro Flores Oropeza, Alfonso Lopez Ortega, Jose Gonzalo Hernandez Cortez, Aristeo Estrada Buendia, Laura Veronica Castro Sotelo, Reyna Reyes Martinez, Fernando Alvarez Ramirez, Arquimedes Estrada Martinez, Flavio Salvador Vazquez Moreno
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Publication number: 20180265991Abstract: Compounds and compositions are used as corrosion inhibitors for pipelines for crude oil containing water with high salt concentrations. The inhibitors are ionic liquids, imidazoles, benzotriazoles, and mixtures thereof. The composition includes two or more members of the inhibitors with a solvent. The inhibitors reduce corrosion of metallic surfaces of the pipelines containing crude oil having 0.2 and 40 wt % water, 10,000 to 70,000 ppm salt, and 9 to 600 ppm hydrogen sulfide. A synergic effect is provided by two or more different inhibitors. This synergy is derived from interactions with the metallic surface, among themselves or with the corrosive medium depending on the chain length, to inhibit the corrosion with decrease of the formulation dose. The composition can be a ternary formulation of the three families or two components of one family and a third component of a different family.Type: ApplicationFiled: May 17, 2018Publication date: September 20, 2018Inventors: Jesus MARIN CRUZ, Araceli VEGA PAZ, Luisa Elena MONTIEL SANCHEZ, Salvador CASTILLO CERVANTES, Rafael MARTINEZ PALOU, Arquimedes ESTRADA MARTINEZ, Luis Manuel QUEJ AKE, Jose Luis Rodolfo BENITEZ AGUILAR, Veronica SANCHEZ GARCIA
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Patent number: 10047302Abstract: Compositions consisting of block copolymers ?,?-di-aryl or alkyl sulfonates of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w of bis-ammonium and block copolymers ?,?-di-amine of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w, are provided that are effective in the dewatering and desalting crude oils whose specific gravities are within the range of 14 to 20° API. A method of dewatering and desalting heavy crude oil adds a mixture of the copolymer bifunctionalized with an aliphatic or aromatic secondary amine and a copolymer bifunctionalized with an aliphatic or aromatic tertiary amine.Type: GrantFiled: July 14, 2017Date of Patent: August 14, 2018Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Eugenio Alejandro Flores Oropeza, Cesar Andres Flores Sandoval, Reyna Reyes Martinez, Jose Gonzalo Hernandez Cortez, Alfonso Lopez Ortega, Laura Veronica Castro Sotelo, Fernando Alvarez Ramirez, Arquimedes Estrada Martinez, Flavio Salvador Vazquez Moreno
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Patent number: 10011908Abstract: Compounds and compositions are used as corrosion inhibitors for pipelines for crude oil containing water with high salt concentrations. The inhibitors are ionic liquids, imidazoles, benzotriazoles, and mixtures thereof. The composition includes two or more members of the inhibitors with a solvent. The inhibitors reduce corrosion of metallic surfaces of the pipelines containing crude oil having 0.2 and 40 wt % water, 10,000 to 70,000 ppm salt, and 9 to 600 ppm hydrogen sulfide. A synergic effect is provided by two or more different inhibitors. This synergy is derived from interactions with the metallic surface, among themselves or with the corrosive medium depending on the chain length, to inhibit the corrosion with decrease of the formulation dose. The composition can be a ternary formulation of the three families or two components of one family and a third component of a different family.Type: GrantFiled: October 28, 2014Date of Patent: July 3, 2018Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Jesus Marin Cruz, Araceli Vega Paz, Luisa Elena Montiel Sanchez, Salvador Castillo Cervantes, Rafael Martinez Palou, Arquimedes Estrada Martinez, Luis Manuel Quej Ake, Jose Luis Rodolfo Benitez Aguilar, Veronica Sanchez Garcia
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Publication number: 20170327686Abstract: The present invention is related to formulations consisting of block copolymers ?,?-di-aryl or alkyl sulfonates of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w of bis-ammonium and block copolymers ?,?-di-amine of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w, that are effective in the dewatering and desalting crude whose specific gravities are within the range of 14 to 23°API.Type: ApplicationFiled: August 3, 2017Publication date: November 16, 2017Inventors: Eugenio Alejandro FLORES OROPEZA, Cesar Andres FLORES SANDOVAL, Reyna REYES MARTINEZ, Jose Gonzalo HERNANDEZ CORTEZ, Alfonso LOPEZ ORTEGA, Laura Veronica CASTRO SOTELO, Fernando ALVAREZ RAMIREZ, Arquimedes ESTRADA MARTINEZ, Flavio Salvador VAZQUEZ MORENO
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Publication number: 20170313949Abstract: Compositions consisting of block copolymers ?,?-di-aryl or alkyl sulfonates of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w of bis-ammonium and block copolymers ?,?-di-amine of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w, are provided that are effective in the dewatering and desalting crude oils whose specific gravities are within the range of 14 to 20° API. A method of dewatering and desalting heavy crude oil adds a mixture of the copolymer bifunctionalized with an aliphatic or aromatic secondary amine and a copolymer bifunctionalized with an aliphatic or aromatic tertiary amine.Type: ApplicationFiled: July 14, 2017Publication date: November 2, 2017Inventors: Eugenio Alejandro FLORES OROPEZA, Cesar Andres FLORES SANDOVAL, Reyna REYES MARTINEZ, Jose Gonzalo HERNANDEZ CORTEZ, Alfonso LOPEZ ORTEGA, Laura Veronica CASTRO SOTELO, Fernando ALVAREZ RAMIREZ, Arquimedes ESTRADA MARTINEZ, Flavio Salvador VAZQUEZ MORENO
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Patent number: 9752084Abstract: The present invention is related to formulations consisting by block copolymers ?,?-di-aryl or alkyl sulfonates of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w of bis-ammonium and block copolymers ?,?-di-amine of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w, that are effective in the dewatering and desalting crude whose specific gravities are within the range of 14 to 23° API.Type: GrantFiled: February 25, 2014Date of Patent: September 5, 2017Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Eugenio Alejandro Flores Oropeza, Cesar Andres Flores Sandoval, Reyna Reyes Martinez, Jose Gonzalo Hernandez Cortez, Alfonso Lopez Ortega, Laura Veronica Castro Sotelo, Fernando Alvarez Ramirez, Arquimedes Estrada Martinez, Flavio Salvador Vazquez Moreno
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Patent number: 9745521Abstract: Compositions consisting of block copolymers ?,?-di-aryl or alkyl sulfonates of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w of bis-ammonium and block copolymers ?,?-di-amine of poly(ethylene oxide)w-poly(propylene oxide)-poly(ethylene oxide)w, are provided that are effective in the dewatering and desalting crude oils whose specific gravities are within the range of 14 to 20° API. A method of dewatering and desalting heavy crude oil adds a mixture of the copolymer bifunctionalized with an aliphatic or aromatic secondary amine and a copolymer bifunctionalized with an aliphatic or aromatic tertiary amine.Type: GrantFiled: February 27, 2014Date of Patent: August 29, 2017Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Eugenio Alejandro Flores Oropeza, Cesar Andres Flores Sandoval, Reyna Reyes Martinez, Jose Gonzalo Hernandez Cortez, Alfonso Lopez Ortega, Laura Veronica Castro Sotelo, Fernando Alvarez Ramirez, Arquimedes Estrada Martinez, Flavio Salvador Vazquez Moreno
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Patent number: 9650577Abstract: The present invention is related to formulations including one or more block copolymers with low polydispersity and bifunctionalized with amines, and an ionic liquid. A method of demulsifying, dehydrating, and desalting crude oils having API gravity ranging between 8 to 30 admixes the formulation with the crude oil in an amount effective to demulsify, dehydrate and/or desalt the crude oils.Type: GrantFiled: December 8, 2014Date of Patent: May 16, 2017Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Eugenio Alejandro Flores Oropeza, Laura Veronica Castro Sotelo, Alfonso Lopez Ortega, Jose Gonzalo Hernandez Cortez, Fernando Alvarez Ramirez, Arquimedes Estrada Martinez, Flavio Salvador Vazquez Moreno
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Patent number: 9587182Abstract: The present invention is related to formulations including one or more block copolymers with low polydispersity and bifunctionalized with amines, and an ionic liquid. A method of demulsifying, dehydrating, and desalting crude oils having API gravity ranging between 8 to 30 admixes the formulation with the crude oil in an amount effective to demulsify, dehydrate and/or desalt the crude oils.Type: GrantFiled: April 17, 2012Date of Patent: March 7, 2017Assignee: INSTITUTO MEXICANO DEL PETROLEOInventors: Eugenio Alejandro Flores Oropeza, Laura Verónica Castro Sotelo, Alfonso López Ortega, José Gonzalo Hernández Cortez, Fernando Alvarez Ramírez, Arquímedes Estrada Martínez, Flavio Salvador Vázquez Moreno
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Publication number: 20170029960Abstract: The present invention is directed to a formulation of corrosion inhibitors for corrosion control of low carbon steel piping, carrying different fuels products, obtained in refineries or petrochemical processes. The composition comprises active imidazoline inhibitors derived from vegetable oil selected from the group consisting of sunflower, canola, soybean, safflower, corn and mixtures thereof that are reacted with a polyalkylated polyamines such as diethylenetriamines (DETA), triethylenetetramine (TETA) and tetraethylenepentamine (TEPA). The imidazoline is reacted with 1 to 3 moles of a carboxylic acid having 2 to 6 carbon atoms. The product obtained is formulated with 50 to 60% weight of an aromatic solvent and 10 to 20 wt % of an alcohol.Type: ApplicationFiled: July 22, 2016Publication date: February 2, 2017Inventors: Jose Luis Rodolfo BENITEZ AGUILAR, Amalia TOBON CERVANTES, Arquimedes ESTRADA MARTINEZ, Nancy NAVARRO ORDONEZ
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Publication number: 20170015897Abstract: This invention is directed to a method for defoaming crude oil by the addition of copolymers based on silicone free alkyl acrylics defoamers for crude oils with densities between 10 and 40° API. The alkyl acrylic copolymers at conditions similar to those of gas-liquid separators are efficient foam formation inhibitors in heavy and super-heavy crude oils to reduce foam levels between 15 and 50% faster than non-dosed crude oil. Some acrylic copolymers exhibited a greater efficiency as defoamers than commercial silicones, which promote the defoaming only 20 or 25 vol % faster than the natural foam collapse. Silicones as defoamers present serious problems as the formation of deposits and the deactivation of catalysts in the refining processes. These problems have originated a series of interdictions to use silicon based defoamers and new chemical compounds completely silicon free are required to control the foam levels in the gas/petroleum separation tanks.Type: ApplicationFiled: July 13, 2016Publication date: January 19, 2017Inventors: Edgar Ivan HERNANDEZ CARBAJAL, Enrique CEVADA MAYA, Alfonso LOPEZ ORTEGA, Cesar Andres FLORES SANDOVAL, Fernando ALVAREZ RAMIREZ, Arquimedes ESTRADA MARTINEZ, 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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Publication number: 20150157961Abstract: The present invention relates to the application based on alkyl acrylate homopolymers, such as antifoaming agents in crude oils with densities of 10 to 40° API. Evaluation tests in “live” crude oil, under similar gas-liquid separation equipment conditions, showed that these polymers based on alkyl acrylate are effective foaming inhibitors in heavy and super-heavy crude oils, reducing the foam between 15 and 50% faster compared to crude oil without an antifoaming agent. Some acrylics show better performance than commercial silicon-based polymers, which suppress foam 20-25% faster than the blank. The antifoaming agents of this invention, based on alkyl acrylate and totally free of silicon, is an advantageous option, to replace the silicone-based foam inhibitors currently on the market.Type: ApplicationFiled: December 4, 2014Publication date: June 11, 2015Inventors: Enrique CEVADA MAYA, Laura Veronica CASTRO SOTELO, Edgar Ivan HERNANDEZ RAMIREZ, Cesar Andres FLORES SANDOVAL, Alfonso LOPEZ ORTEGA, Aristeo ESTRADA BUENDIA, Fernando ALVAREZ RAMIREZ, Arquimedes ESTRADA MARTINEZ, Flavio Salvador VAZQUEZ MORENO
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Publication number: 20150118104Abstract: Compounds and compositions are used as corrosion inhibitors for pipelines for crude oil containing water with high salt concentrations. The inhibitors are ionic liquids, imidazoles, benzotriazoles, and mixtures thereof. The composition includes two or more members of the inhibitors with a solvent. The inhibitors reduce corrosion of metallic surfaces of the pipelines containing crude oil having 0.2 and 40 wt % water, 10,000 to 70,000 ppm salt, and 9 to 600 ppm hydrogen sulfide. A synergic effect is provided by two or more different inhibitors. This synergy is derived from interactions with the metallic surface, among themselves or with the corrosive medium depending on the chain length, to inhibit the corrosion with decrease of the formulation dose. The composition can be a ternary formulation of the three families or two components of one family and a third component of a different family.Type: ApplicationFiled: October 28, 2014Publication date: April 30, 2015Inventors: Jesus MARIN CRUZ, Araceli VEGA PAZ, Luisa Elena MONTIEL SANCHEZ, Salvador CASTILLO CERVANTES, Rafael MARTINEZ PALOU, Arquimedes ESTRADA MARTINEZ, Luis Manuel QUEJ AKE, Jose Luis Rodolfo BENITEZ AGUILAR, Veronica SANCHEZ GARCIA