(19)
(11) EP 2 603 471 A1

(12)

(43) Date of publication:
19.06.2013 Bulletin 2013/25

(21) Application number: 11740942.5

(22) Date of filing: 09.08.2011
(51) International Patent Classification (IPC): 
C04B 41/45(2006.01)
C04B 41/50(2006.01)
(86) International application number:
PCT/EP2011/063677
(87) International publication number:
WO 2012/020012 (16.02.2012 Gazette 2012/07)
(84) Designated Contracting States:
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

(30) Priority: 11.08.2010 FR 1056547

(71) Applicant: Lafarge
75116 Paris (FR)

(72) Inventors:
  • CHEN, Jeffrey
    F-LYON 69003 (FR)
  • HORGNIES, Matthieu
    F-69008 Lyon (FR)
  • DYKMAN, Mélanie
    F-38460 Cremieu (FR)
  • TINTILLIER, Patrick
    F-38790 Diemoz (FR)
  • GUEIT, Eléonore
    F-69002 Lyon (FR)

(74) Representative: Berruet, Laure 
LAFARGE Département Propriété Intellectuelle (DPI) 95, Rue du Montmurier - BP9
38291 Saint Quentin Fallavier Cedex
38291 Saint Quentin Fallavier Cedex (FR)

   


(54) CONCRETE ARTICLE COMPRISING A SURFACE WITH LOW OPEN-POROSITY