Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11046605 | Random copolymers derived from itaconic acid and/or its isomers and sodium alkenyl sulfonates and use of the product thereof | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Erick Emanuel Luna Rojero, José Manuel Martínez Magadan, David Aarón Nieto Álvarez +3 more | 2021-06-29 |
| 11014875 | Hydroxysultaine- and sulfobetaine-based geminal zwitterionic liquids, method for obtaining same, and use thereof as wettability modifiers having corrosion inhibiting properties | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Cesar Andres FLORES SANDOVAL, Alejandro Ramírez Estrada, Rodolfo Cisneros Devora +3 more | 2021-05-25 |
| 10968381 | Branched geminal zwitterionic liquids, method for obtaining same and use thereof as wettability modifiers having viscosity reducing properties | Jorge Francisco Ramírez Pérez, Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Rodolfo Cisneros Devora, Raúl Oviedo Roa +2 more | 2021-04-06 |
| 10689563 | Branched geminal zwitterionic liquids, method for obtaining same and use thereof as wettability modifiers having viscosity reducing properties | Jorge Francisco Ramírez Pérez, Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Rodolfo Cisneros Devora, Raúl Oviedo Roa +2 more | 2020-06-23 |
| 10584048 | Process to obtain random copolymers derived from itaconic acid and/or its isomers and sodium alkenyl sulfonates and use of the product thereof | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Erick Emanuel Luna Rojero, José Manuel Martínez Magadan, David Aarón Nieto Álvarez +3 more | 2020-03-10 |
| 10207983 | Amino and imino propionic acids, process of preparation and use | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Marco Antonio Dominguez Aguilar, Jaquelin Martinez Viramontes +1 more | 2019-02-19 |
| 10167249 | Amino and imino propionic acids, process of preparation and use | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Marco Antonio Dominguez Aguilar, Jaquelin Martinez Viramontes +1 more | 2019-01-01 |
| 10035757 | Amino and imino propionic acids, process of preparation and use | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Marco Antonio Dominguez Aguilar, Jaquelin Martinez Viramontes +1 more | 2018-07-31 |
| 9981958 | Oxazolidines derived from polyalkyl or polyalkenyl n-hydroxyalkyl succinimides, obtainment process and use | Luis Silvestre Zamudio Rivera, Eugenio Alejandro Flores Oropeza, Marcelo Lozada y Cassou, Hiram Isaac Beltran Conde, Eduardo Buenrostro Gonzalez +3 more | 2018-05-29 |
| 9920019 | Multifunctional composition base 1,3-oxazinan-6-ones with corrosion inhibition and heavy organic compounds inhibition and dispersants and obtaining process | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Eduardo Buenrostro Gonzalez | 2018-03-20 |
| 9586915 | Multifunctional composition base 1,3-oxazinan-6-ones with corrosion inhibition and heavy organic compounds inhibition and dispersants and obtaining process | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Eduardo Buenrostro Gonzalez | 2017-03-07 |
| 9469804 | Foaming composition with wettability modifying and corrosion inhibitory properties for high temperature and ultra-high salinity | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Erick Emanuel Luna Rojero, Enrique Serrano Saldana, José Manuel Martínez Magadan +11 more | 2016-10-18 |
| 9221803 | Asphaltene-dispersing/inhibiting additive based on oxazolidines derived from polyalkyl or polyalkenyl N-hydroxyalkyl succinimides | Simón López Ramírez, Luis Silvestre Zamudio Rivera, Youri Douda, Marcelo Lozada y Cassou, Adela Morales Pacheco +4 more | 2015-12-29 |
| 9108935 | Multifunctional composition base 1,3-oxazinan-6-ones with corrosion inhibition and heavy organic compounds inhibition and dispersants and obtaining process | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Eduardo Buenrostro Gonzalez | 2015-08-18 |
| 9074123 | Geminal zwitterionic surfactants as wettability modifiers in enhanced oil recovery processes | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Cecilia de los Ángeles Durán Valencia, Simón López Ramírez +5 more | 2015-07-07 |
| 9023785 | Gemini surfactants, process of manufacture and use as multifunctional corrosion inhibitors | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Simón López Ramírez | 2015-05-05 |
| 8722588 | Foaming composition for high temperature and salinity | Luis Silvestre Zamudio Rivera, Simón López Ramírez, Cecilia de los Ángeles Durán Valencia, Raul Hernandez Altamirano, Norma Araceli García Muñoz +5 more | 2014-05-13 |
| 8518868 | Gemini surfactants, process of manufacture and use as multifunctional corrosion inhibitors | Raul Hernandez Altamirano, Luis Silvestre Zamudio Rivera, Hiram Isaac Beltran Conde, Simón López Ramírez | 2013-08-27 |