EP 4 140 969 A1

Powdered compound for the modification of inorganic cement mixtures for the lodging of non-ballasted reinforcement systems

(22) 26.08.2022

(43) 01.03.2023

(57) The present invention relates to a composition to be used as an additive for mortars, preferably for mortars for the bedding of railway platforms, preferably ballastless railway platforms. The present invention also relates to a mortar obtained by mixing said composition with water, polymeric fibres, aggregates and cement or a premixed mortar to be rehydrated comprising said composition, polymeric fibres, aggregates and cement, to which water is added at the time of use. The subject matter of the present invention also relates to a cementitious conglomerate obtained from the mortar of the invention, once hardened.

(71) Wegh Group S.p.A., 43045 Fornovo di Taro (Parma) (IT)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES Fl 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 States: BA ME; Designated Validation States: KH MA MD TN


Related articles:

Issue 2021-7 EP 3 862 333 A1

(22) 26.09.2019 (43) 11.08.2021 (57) The present disclosure relates to a cement mortar additive and a method of manufacturing the same. More particularly, the present disclosure relates to a cement...

Issue 2022-7 WO 2022/158640 A1

(22) 22.03.2021 (43) 28.07.2022 (57) The present invention relates to an eco-friendly mortar composition, which leads to an increase in recycling rate of recovered water, a by-product in the...

Issue 2019-7-8 US 2019/0127277 A1

(22) 08.12.2017 (43) 02.05.2019 (57) The present disclosure relates to a cement additive composition including a polycarboxylic acid-based copolymer. When the cement additive composition of the...

Issue 2022-2 US 2022/0002197 A1

(22) 14.11.2019 (43) 06.01.2022 (57) The present invention relates to a cement additive for use in a blended cement composition, the additive comprising a precipitated calcium carbonate formed from...

Issue 2018-4 WO2018025431 (A1)

(22) 22.02.2017 (43) 08.02.2018 (57) The purpose of the invention is to provide a cement additive and a cement composition which have excellent solution stability, achieve a good fluidity holding...