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Repsol S a patents


Recent patent applications related to Repsol S a. Repsol S a is listed as an Agent/Assignee. Note: Repsol S a may have other listings under different names/spellings. We're not affiliated with Repsol S a, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Repsol S a-related inventors


Ultra-high-molecular-weight polyolefin proppants

The present invention relates to the use of ultra-high-molecular-weight polyolefin particles as proppants for treating subterranean formations, as well as to compositions comprising said particles and to fracturing methods employing said particles.... Repsol S a

Filter-press photoelectrochemical water oxidation and co2 reduction cell

The present disclosure relates to methods and devices for use in photoelectrochemical reduction of CO2. In particular, it is disclosed a filter-press photoelectrochemical cell for producing a reduction product from CO2 and a method for the photoelec-trochemical reduction of CO2.... Repsol S a

Methods for producing graphene with tunable properties by a multi-step thermal reduction process

A process for the preparation of graphene includes the steps of a) providing flash thermal treatment of a graphite oxide at a temperature up to 700° C. sufficient to produce exfoliation and under inert atmosphere and b) cooling the material obtained in the previous step below 90° C. The method... Repsol S a

Hierarchical composite structures based on graphene foam or graphene-like foam

The present invention relates to a hierarchical composite structure comprising an open cell graphene foam or graphene-like foam, wherein the graphene foam or graphene-like foam is coated with a conductive nanoporous spongy structure and wherein at least 10% v/v of the hollow of the pores of the graphene foam or... Repsol S a

Cathode for lithium batteries

The present invention relates to electrode composite, comprising: 0.1 wt % to 20 wt % graphene; 0.1 wt % to 20 wt % carbon black and 2 wt % to 20 wt % binder, the rest being an active material of lithium transition metal oxide having a spinel structure, such... Repsol S a

Method implemented in a computer for the numerical simulation of a porous medium

The object of the invention is a method implemented in a computer for the numerical simulation of a porous medium that may comprise multiple interacting hydraulic fractures in continuous or naturally fractured medium. The method calculates numerically the propagation of a crack, or set of cracks, for instance under the... Repsol S a

Lpg direct injection engine

The invention relates to a liquefied petroleum gas direct injection engine (100) comprising at least one cylinder comprising a combustion chamber (1) having a spark plug (2), one or more intake valve or valves (4) and one or more exhaust valve or valves (5). The LPG engine (100) further comprises... Repsol S a








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