Patent · US Active

Additive for dewaterable slurry and slurry incorporating same

US7708826B2 · kind B2 · utility

6Cited by

17References

8Claims

0Family size

Assignee

James Hardie Technology Limited · IE

Inventors

Basil Naji · Toongabbie, AU
Milton O'Chee · Parramatta, AU

Key dates

Filing date	Aug 21, 2008
Grant date	May 4, 2010
Priority date	—
Expiry date	Aug 21, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S106/01
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A cementitious slurry comprising fly ash having a predominant particle size of up to about 10 microns, and/or aluminous material having a predominant particle size of up to about 150 microns. The additive acts as a water reduction agent and can replace either wholly or partially a conventional plasticizer.

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