Global Patent Index - EP 4045473 A1

EP 4045473 A1 20220824 - COMPOSITION FOR TREATING SURFACES IN CONTACT WITH WATER IN ORDER TO PRESERVE THE WATER QUALITY

Title (en)

COMPOSITION FOR TREATING SURFACES IN CONTACT WITH WATER IN ORDER TO PRESERVE THE WATER QUALITY

Title (de)

ZUSAMMENSETZUNG ZUR BEHANDLUNG VON OBERFLÄCHEN IN KONTAKT MIT WASSER ZUR ERHALTUNG DER WASSERQUALITÄT

Title (fr)

COMPOSITION POUR LE TRAITEMENT DE SURFACES AU CONTACT DE L'EAU POUR PRESERVER LA QUALITE DE L'EAU

Publication

EP 4045473 A1 20220824 (FR)

Application

EP 20789188 A 20201015

Priority

  • FR 1911582 A 20191017
  • EP 2020079125 W 20201015

Abstract (en)

[origin: WO2021074341A1] The present invention relates to a composition for treating, in particular for impregnating, a coating, in particular a coating based on a mineral binder, in particular cement-based, this coating being, in particular, the internal coating of a container intended to receive water, in particular drinking water, this composition being in the form of a solution comprising: - at least one alkali silicate and at least one source of lithium, in particular at least one alkali silicate and at least one separate source of lithium, the total content of lithium source(s) in the solution being, in particular, less than 10% by weight, or - at least one organic orthosilicate. The invention also relates to the treated container and to the method for treatment of the container.

IPC 8 full level

C04B 28/24 (2006.01); C04B 28/26 (2006.01); F16L 58/06 (2006.01); F16L 58/10 (2006.01); C04B 103/46 (2006.01); C04B 111/00 (2006.01); C04B 111/56 (2006.01)

CPC (source: CN EP)

C04B 28/24 (2013.01 - EP); C04B 28/26 (2013.01 - EP); C09D 1/02 (2013.01 - CN); C09D 7/61 (2017.12 - CN); F16L 58/06 (2013.01 - EP); C04B 2103/46 (2013.01 - EP); C04B 2111/00482 (2013.01 - EP); C04B 2111/00525 (2013.01 - EP); C04B 2111/56 (2013.01 - EP)

Citation (search report)

See references of WO 2021074341A1

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 3102183 A1 20210423; FR 3102183 B1 20220121; BR 112022003955 A2 20220524; CN 113195643 A 20210730; EP 4045473 A1 20220824; WO 2021074341 A1 20210422

DOCDB simple family (application)

FR 1911582 A 20191017; BR 112022003955 A 20201015; CN 202080005795 A 20201015; EP 2020079125 W 20201015; EP 20789188 A 20201015