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
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
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
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
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