EP 4073013 A4 20231011 - A NOVEL PROCESS FOR HIGH-PERFORMANCE CEMENTS

Title (en)

A NOVEL PROCESS FOR HIGH-PERFORMANCE CEMENTS

Title (de)

NEUARTIGES VERFAHREN FÜR HOCHLEISTUNGSZEMENTE

Title (fr)

NOUVEAU PROCÉDÉ POUR CIMENTS À HAUTE PERFORMANCE

Publication

EP 4073013 A4 20231011 (EN)

Application

EP 19952883 A 20191113

Priority

TR 2019050945 W 20191113

Abstract (en)

[origin: WO2021096445A1] The present invention relates to a novel process for manufacturing high performance cements, a novel grinding aid composition comprising an ester and/or ether polycarboxylate, to method for producing such composition and to use of such composition in the production of cement with or without other additives. The present invention provides a novel aqueous composition for use as grinding aid in the production of high-performance cement, wherein the composition comprises at least one polycarboxylate polymer and at least one surfactant.

IPC 8 full level

C04B 28/02 (2006.01); C04B 40/00 (2006.01); C04B 103/52 (2006.01)

CPC (source: EP KR)

C04B 24/02 (2013.01 - KR); C04B 24/06 (2013.01 - KR); C04B 24/121 (2013.01 - KR); C04B 24/122 (2013.01 - KR); C04B 24/2647 (2013.01 - KR); C04B 28/02 (2013.01 - EP KR); C04B 40/0039 (2013.01 - EP KR); C04B 2103/0088 (2013.01 - KR); C04B 2103/406 (2013.01 - KR); C04B 2103/52 (2013.01 - EP KR); Y02P 40/10 (2015.11 - EP KR); Y02W 30/91 (2015.05 - EP KR)

Citation (search report)

[XI] WO 2013164213 A1 20131107 - CONSTR RES & TECH GMBH [DE]
[XI] US 10336652 B2 20190702 - BERODIER ELISE [CH], et al
[I] WO 2013083692 A1 20130613 - SIKA TECHNOLOGY AG [CH]
[A] WO 2013092763 A1 20130627 - SIKA TECHNOLOGY AG [CH]
[A] WO 2011022217 A1 20110224 - GRACE W R & CO [US], et al
See references of WO 2021096445A1

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

DOCDB simple family (publication)

WO 2021096445 A1 20210520; EP 4073013 A1 20221019; EP 4073013 A4 20231011; KR 20220104191 A 20220726

DOCDB simple family (application)

TR 2019050945 W 20191113; EP 19952883 A 20191113; KR 20227019951 A 20191113