Patent · US Expired

Grout composition

US5454866A · kind A · utility

10Cited by
12References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1995
Grant dateOct 3, 1995
Priority date
Expiry dateFeb 7, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2111/70
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

This invention relates to a grout composition comprising a Portland cement, a high alumina cement, anhydrous calcium sulphate, an effective amount of a lithium salt and an effective amount of a strong base. According to another aspect of the invention, instead of using a strong base directly in the grout composition, a first compound and a second compound is added to the grout composition which in use react to form an effective amount of a strong base when the grout composition is mixed with water.

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