Jorge Feijoo Conde (Inventor), Teresa Rivas Brea (Inventor), Xosé Ramón Apellidos: Nóvoa Rodríguez Rodríguez (Inventor), M OTTOSEN, Lisbeth (Inventor), Ondrej Ματυscακ (Inventor)

Research output: Patent

90 Downloads (Pure)


The invention relates to a device and an associated electrokinetic method which allows the pores (superficial and deep) of a porous material to be filled, by forcing the precipitation therein of a product of low solubility in water by creating an electric field which will mobilise the cations and anions supplied by previously selected solutions. This method comprises two phases. In the first phase, the pores located at a specified distance from the surface of contact between the porous material and the anodic or cathodic compartment are plugged. In a second phase, the rest of the pores, mainly those which are on the surface level, are collapsed. As a result of the designed device and the plugging system contained therein, the porous material is not affected at any moment by chemical alteration processes caused by contact with extreme pH values. This device allows the treatment to be applied to vertical surfaces.

Original languageEnglish
IPCC04B 41/ 45 A I
Patent numberWO2017046430
Filing date23/03/2017
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date18/09/2015
Priority numberES20150000676
Publication statusPublished - 23 Mar 2017


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