Global Patent Index - EP 3830050 A1

EP 3830050 A1 20210609 - BINDER CONTAINING A CLAY

Title (en)

BINDER CONTAINING A CLAY

Title (de)

TON ENTHALTENDES BINDEMITTEL

Title (fr)

LIANT CONTENANT UNE ARGILE

Publication

EP 3830050 A1 20210609 (FR)

Application

EP 19742407 A 20190726

Priority

  • FR 1857071 A 20180730
  • EP 2019070277 W 20190726

Abstract (en)

[origin: WO2020025504A1] The subject of the invention is a binder comprising: at least one raw clay comprising at least one clayey mineral, the total weight content of clayey mineral ranging from 1 to 60% relative to the weight of binder, at least one limestone or dolomite filler, at least one water-retaining agent, and at least one additive chosen from flocculating agents, water-repellent agents, latexes, hydraulic binders, bonding agents and cationic surfactants, with the proviso that, when the binder comprises a hydraulic binder, the total weight content of hydraulic binder is less than the total weight content of clayey mineral.

IPC 8 full level

C04B 28/00 (2006.01); C04B 28/02 (2006.01); C04B 28/06 (2006.01)

CPC (source: EP)

C04B 28/001 (2013.01); C04B 28/02 (2013.01); C04B 28/06 (2013.01)

C-Set (source: EP)

  1. C04B 28/001 + C04B 14/26 + C04B 14/28 + C04B 2103/0057 + C04B 2103/008 + C04B 2103/302 + C04B 2103/65
  2. C04B 28/001 + C04B 14/26 + C04B 14/28 + C04B 24/2623 + C04B 24/38 + C04B 2103/0005 + C04B 2103/65
  3. C04B 28/001 + C04B 14/26 + C04B 14/28 + C04B 24/2676 + C04B 24/383 + C04B 2103/0005 + C04B 2103/65
  4. C04B 28/02 + C04B 14/104 + C04B 14/106 + C04B 14/26 + C04B 14/28 + C04B 2103/0057 + C04B 2103/008 + C04B 2103/302 + C04B 2103/65

Citation (search report)

See references of WO 2020025504A1

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 3084357 A1 20200131; FR 3084357 B1 20230721; AR 116252 A1 20210414; BR 112020026435 A2 20210323; CL 2021000229 A1 20210618; CN 112469681 A 20210309; EP 3830050 A1 20210609; WO 2020025504 A1 20200206

DOCDB simple family (application)

FR 1857071 A 20180730; AR P190102149 A 20190730; BR 112020026435 A 20190726; CL 2021000229 A 20210128; CN 201980050751 A 20190726; EP 19742407 A 20190726; EP 2019070277 W 20190726