Patents Assigned to Repsol YPF, S.A.
  • Publication number: 20120252922
    Abstract: The present invention relates to a polymer composition comprising a polypropylene, an adhesive polymer and an oxygen absorbing composition. The invention also relates to the use of said composition for the manufacture of processed goods.
    Type: Application
    Filed: October 15, 2010
    Publication date: October 4, 2012
    Applicant: REPSOL YPF, S.A.
    Inventors: José Sancho Royo, Begoña Peña García, Icíar Martínez Cebrián, Julia Mena Martínez, Sagrario Ruiz Herrero, Rosa Parrilla Martín, Manuel López Reyes
  • Patent number: 8250883
    Abstract: A process to obtain liquefied natural gas (LNG) which comprises the use of air as refrigerant in an open or closed cycle. The invention also refers to a system to carry out said process and uses thereof.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: August 28, 2012
    Assignee: Repsol YPF, S.A.
    Inventors: Calogero Migliore, Silvia Pérez Díaz, Giorgio Soave
  • Publication number: 20080299034
    Abstract: The present invention relates to a process for preparing hydrogen peroxide by reacting hydrogen and oxygen in the presence of a solvent and of a catalyst, wherein the catalyst comprises at least one noble or semi-noble metal supported on an inorganic material functionalized with acid groups. The invention also refers to the catalyst used in this process.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 4, 2008
    Applicant: Repsol YPF, S.A.
    Inventors: Pilar De Frutos Escrig, Jose Manuel Riesco Garcia, Jose Miguel Campos Martin, Jose Luis Garcia Fierro, Encarnacion Cano Serrano, Gema Blanco Brieva
  • Patent number: 7423171
    Abstract: A one-pot process for the synthesis of isocyanates, polyisocyanates or mixtures thereof which includes the steps of: i. preparing a mixture comprising an amine, an alcohol, an oxygen-containing gas, carbon monoxide, a metal complex catalyst selected from the group consisting of macrocyclic complex catalysts and cobalt Shiff base catalysts; and a solvent selected from the group consisting of aliphatic or aromatic halocarbons, perhalogenated alcohols, halogenated ethers, halogenated ketones, perfluorinated hydrocarbons, polymers of chlorotrifluoroethylene having the formula —(CF2—CFCl)n wherein n is between 2 and 10, and mixtures thereof; ii. subjecting the resulting mixture to a first heating under pressure; iii. cooling and depressurizing the mixture resulting from the previous step; and iv. subjecting the mixture of the previous step to a second heating to separate out the isocyanate product from the mixture.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: September 9, 2008
    Assignee: Repsol YPF, S.A.
    Inventors: Francisco Luis Serrano Fernandez, Beatriz Almena Munoz, Ana Padilla Polo, Arancha Orejon Alvarez, Carmen Claver Cabrero, Sergio Castillon Miranda, Pilar Salagre Carnero, Ali Aghmiz
  • Publication number: 20070293696
    Abstract: A one-pot process for the synthesis of isocyanates, polyisocyanates or mixtures thereof which includes the steps of: i. preparing a mixture comprising an amine, an alcohol, an oxygen-containing gas, carbon monoxide, a metal complex catalyst selected from the group consisting of macrocyclic complex catalysts and cobalt Shiff base catalysts; and a solvent selected from the group consisting of aliphatic or aromatic halocarbons, perhalogenated alcohols, halogenated ethers, halogenated ketones, perfluorinated hydrocarbons, polymers of chlorotrifluoroethylene having the formula —(CF2—CFCl)n wherein n is between 2 and 10, and mixtures thereof; ii. subjecting the resulting mixture to a first heating under pressure; iii. cooling and depressurizing the mixture resulting from the previous step; and iv. subjecting the mixture of the previous step to a second heating to separate out the isocyanate product from the mixture.
    Type: Application
    Filed: June 20, 2007
    Publication date: December 20, 2007
    Applicant: REPSOL-YPF,S.A.
    Inventors: Francisco Serrano Fernandez, Beatriz Almena Munoz, Ana Padilla Polo, Arancha Orejon Alvarez, Carmen Claver Cabrero, Sergio Castillon Miranda, Pilar Salagre Carnero, Ali Aghmiz