Global Patent Index - EP 3849953 A1

EP 3849953 A1 20210721 - METHOD FOR PROCESSING RECYCLED AGGREGATES, AND USE OF THE AGGREGATES THUS PROCESSED

Title (en)

METHOD FOR PROCESSING RECYCLED AGGREGATES, AND USE OF THE AGGREGATES THUS PROCESSED

Title (de)

VERFAHREN ZUR VERARBEITUNG VON REZYKLIERTEN AGGREGATEN UND VERWENDUNG DER SO VERARBEITETEN AGGREGATE

Title (fr)

PROCEDE DE TRAITEMENT DE GRANULATS RECYCLES, ET UTILISATION DES GRANULATS AINSI TRAITES

Publication

EP 3849953 A1 20210721 (FR)

Application

EP 19790638 A 20190909

Priority

  • FR 1858082 A 20180910
  • FR 2019052072 W 20190909

Abstract (en)

[origin: WO2020053513A1] The invention relates to a method for processing recycled aggregates with a particle size that is less than or equal to 4 mm, which method comprises: a) drying said aggregates; b) impregnating the dried aggregates with a compound selected from: a water-repellent agent selected from a water-repellent agent based on silicon resin and optionally on silane and/or siloxane, and a water-repellent agent based on silane and siloxane; a sodium silicate; a colloidal silica; and an alkaline based on (OH"); c) drying the impregnated aggregates. The invention also relates to the use of the aggregates obtained by the aforementioned method.

IPC 8 full level

C04B 18/16 (2006.01); C04B 28/02 (2006.01)

CPC (source: EP)

C04B 18/167 (2013.01); C04B 28/02 (2013.01); Y02W 30/91 (2015.05)

Citation (search report)

See references of WO 2020053513A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

FR 3085678 A1 20200313; FR 3085678 B1 20210702; EP 3849953 A1 20210721; WO 2020053513 A1 20200319

DOCDB simple family (application)

FR 1858082 A 20180910; EP 19790638 A 20190909; FR 2019052072 W 20190909