US 12,168,629 B2 · Fiber cement flooring products and methods for the production thereof

Abstract

The present invention relates to fiber cement flooring products. In particular, the present invention provides fiber cement flooring products, at least comprising cement and fibers, characterized in that these fiber cement flooring products comprise amorphous silica in an amount of between about 2 weight % and about 15 weight % compared to the total dry weight of the fiber cement composition of said fiber cement flooring product. The present invention further relates to methods for the production of such fiber cement flooring products as well as uses of such fiber cement flooring products in the building industry. The present invention further relates to fiber cement formulations and fiber cement materials, which are suitable for the production of fiber cement products for flooring applications.

Claims16

Dependent claims

An air-cured fiber cement product comprising cement and fibers, wherein:

said fiber cement product comprises amorphous silica in an amount of between 4 weight % and 15 weight % compared to the total dry weight of the fiber cement composition of said fiber cement product;
said fiber cement product further comprises a hydrophobic agent;
said fibers comprise synthetic fibers;
comprising on at least part of its outer surface one or more coating layers;
and
said one or more coating layers comprise first a coating, which is a primer layer and a second coating chosen from the group of a waterborne acrylic top coat layer and a waterglass based coating.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/102,810Filed 30 Jan 2023 · continuation

Priority

EP 1715323326 Jan 2017

Published

US 2023/0174425 A18 Jun 2023

Granted

17 Dec 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification23 codes

C04B 16/0641
From polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds: polyvinylalcohols; Polyvinylacetates
C04B 14/043
Silica-rich materials; Silicates: alkaline-earth metal silicates, e.g. wollastonite
C04B 14/062
Quartz; Sand: microsilica, e.g. colloïdal silica
C04B 14/106
Clay: kaolin

Family

PCT/EP2018/051974Parent of this continuation · filed 26 Jan 2018

US 2023/0174425 A1Pre-grant publication · published 8 Jun 2023

Application16/475,256Parent of this continuation

US 11,597,680 B2Parent of this continuation

US 2019/0337853 A1Published application

US 12,168,629 B2This patent

From the US filing history. Foreign family members aren’t listed.

Fiber cement flooring products and methods for the production thereof

Life of this patent

Fiber cement flooring products and methods for the production thereof

Life of this patent

Abstract

Claims16