1
José Carlos Ortiz Alemán, Roland Martin, José Carlos Gamio Roffé: Method for imaging multiphase flow using electrical capacitance tomography. Instituto Mexicano del Petroleo, Roylance Abrams Berdo & Goodman L, February 24, 2009: US07496450 (25 worldwide citation)

The invention relates to an image-reconstruction technique which is used to view multiphase flows using electrical capacitance tomography (ECT), which is based on non-linear heuristic global optimization methods involving simulated annealing and genetic algorithms. The inventive method consists in o ...


2
Abel M Tovar, Oscar H B Mendizabal, Leonardo M Olmos, Carlos G A Sanchez, Roberto L Lorenzo, Roldofo C Barba, Rene H Perez: Method for processing heavy crude oils. Instituto Mexicano Del Petroleo, Roylance Abrams Berdo & Goodman, February 18, 1992: US05089114 (13 worldwide citation)

A method for processing heavy crude oils comprising a) atmospheric distillation of a heavy crude oil having a high content of metals, asphaltenes and sulfur; b) solvent extraction of the atmospheric distillation residue to obtain an extract with characteristics equivalent to those which an atmospher ...


3
Jose Manuel Dominguez Esquivel, Amalia Tobon Cervantes, Joaquin Lorenzo de los Santos, Rafaela Hernandez Hernandez, Oscar H Bermudez Mendizabal: Selective oxidation catalyst, preparation and use thereof. Instituto Mexicano Del Petroleo, Roylance Abrams Berdo & Goodman L, July 4, 2000: US06083473 (11 worldwide citation)

A catalyst for selective oxidation of sulfur-containing compounds comprising a metal of Group VIIIA which forms an active metal oxide supported on a support comprising a laminar phyllosilicate, alone, or in combination with silica or alumina. Laminar phyllosilicate and silica impregnated with a meta ...


4
Raul Poblano: Setting retarding composition for well cementing and recementing. Instituto Mexicano del Petroleo, Finnegan Henderson Farabow & Garrett, January 30, 1979: US04137093 (10 worldwide citation)

The present invention relates to an improved composition that retards setting in the cementing and recementing of oil well casings, which can be applied at depths that vary between 13123.4 and 21325.5 ft.


5
Felipe Ocampo, Francisco Meza, Francisco Aguirre: Process for the purification of acetonitrile. Instituto Mexicano del Petroleo, Finnegan Henderson Farabow & Garrett, October 10, 1978: US04119497 (9 worldwide citation)

The present invention refers to a process for the purification of acetonitrile from crude acetonitrile or mixtures containing the same, which comprises the following operations:


6
Ernesto Galvan Rocha, Tomás Alberto Beltrán Oviedo, Teresa de Jesús Cortez de la Paz, Blanca Lucía Medellín Rivera, René Zárate Ramos: Procedure to obtain a catalyst for the hydrodenitrogenation and hydrodesulfurization of middle and heavy oil fraction and the resulting product. Instituto Mexicano del Petroleo, Roylance Abrams Berdo & Goodman L, May 7, 2002: US06383975 (9 worldwide citation)

A procedure to prepare a catalyst for the hydrodenitrogenation, hydrodesulfurization and hydrodemetallization of middle and heavy oil fractions. The catalyst uses a support consisting on an alumina matrix, having this matrix dispersed on its surface or in its mass, or in both, a metal oxide from gro ...


7
Luis E Miramontes Cardenas, Salavador Castillo Cervantes, Florencia M Moran Pineda: Catalytically active ceramic monoliths for the reduction of leaded gasoline fueled engine pollutants and the production thereof. Instituto Mexicano Del Petroleo, Roylance Abrams Berdo & Goodman, July 9, 1996: US05534475 (8 worldwide citation)

Catalytically active ceramic monoliths coated with gamma alumina and impregnated with chromium, copper and nickel are used in catalytic converters for reduction of pollutants resulting from exhaust gases produced by internal combustion engines fueled with leaded gasoline.


8
Eduardo Terres Rojas, Jose Manuel Dominguez Esquivel: Synthetic mesoporous material with radially assembled nanotubes. Instituto Mexicano del Petroleo, Roylance Abrams Berdo & Goodman L, February 28, 2006: US07005118 (7 worldwide citation)

This invention relates to a new composition of high surface area materials suitable for adsorption of both organic and inorganic species and as a component of catalysts useful for the transformation of hydrocarbons into a variety of products. These materials are composed by mesoporous spherical part ...


9
Rafael Vazquez Duhalt, Maria del Pilar Bremauntz, Eduardo Barzana, Raunel Tinoco: Enzymatic oxidation process for desulfurization of fossil fuels. Instituto Mexicano del Petroleo, Universidad Nacional Autonoma de Mexico, Roylance Abrams Berdo & Goodman L, October 8, 2002: US06461859 (7 worldwide citation)

The invention relates to a method of removing thiophenic and organosulfide compounds from a fossil fuel comprising the steps of contacting the fossil fuel with hemoproteins, which oxidize the sulfur containing compounds to sulfoxides and sulfones in a reaction system containing organic solvent or no ...


10
José Antonio Toledo Antonio, Carlos Angeles Chávez, María Antonia Cortés Jacome, Fernando Alvarez Ramírez, Yosadara Ruiz Morales, Gerardo Ferrat Torres, Luis Francisco Flores Ortiz, Esteban López Salinas, Marcelo Lozada y Cassou: Nanostructured titanium oxide material and its synthesis procedure. Instituto Mexicano del Petroleo, Roylance Abrams Berdo & Goodman L, January 12, 2010: US07645439 (6 worldwide citation)

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. These nanomaterials are in the form of nanofibers, nanowire ...