Patent · US Active

Concrete composition

US10669204B2 · kind B2 · utility

0Cited by

1References

17Claims

0Family size

Assignee

Holcim Technology Ltd · CH

Inventors

Moussa Baalbaki · Oftringen, CH
Bill Gong · Markham, CA
David Babayan · Aarau, CH
Winnie Matthes · Aarau, CH

Key dates

Filing date	May 12, 2016
Grant date	Jun 2, 2020
Priority date	—
Expiry date	Sep 25, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A concrete composition having, in a mixture with water, a hydraulic binder, sand, aggregates, an expanding agent and a shrinkage reducing admixture, wherein the expanding agent is calcium oxide having a low reactivity such that the concrete casted using the composition does not expand by more than 0.05 vol. % during the first 10 days, preferably not expanding more than 0.05 vol. % during the first 7 days, after having been cast.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.