Patent · US Active

Fire-resistant two-component mortar system based on aluminous cement for a fire-resistant chemical fastening of anchors and post-installed reinforcing bars and use thereof

US11279659B2 · kind B2 · utility

2Cited by

4References

14Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Armin Pfeil · Kaufering, DE
Anna Sharmak · Augsburg, DE
Gregor Giessmann · Königsbrunn, DE

Key dates

Filing date	Oct 19, 2016
Grant date	Mar 22, 2022
Priority date	—
Expiry date	Jul 15, 2037

Classification

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

Abstract

A fire-resistant two-component mortar system, which includes a component A and a component B, which is in an aqueous-phase for initiating a curing process. Component A includes water, aluminous cement, a mineral filler, a plasticizer, and a blocking agent selected from phosphoric acid, metaphosphoric acid, phosphorous acid, and a phosphonic acid. Component B includes an initiator, a retarder, a mineral filler, and water,

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