Patent · US Active

Titanium and zirconium mixtures and emulsions for use in preparing gypsum wallboard

US8398764B2 · kind B2 · utility

7Cited by

26References

19Claims

0Family size

Assignee

The Henry Group · US

Inventors

Dennis Michael Mahoney · Long Valley, US
Jonathan T. Stuart · Lansdale, US
John H. Burns · New Holland, US

Key dates

Filing date	Dec 9, 2009
Grant date	Mar 19, 2013
Priority date	—
Expiry date	Jan 3, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2111/27
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Provided herein are mixtures, emulsions and other additives for use in manufacturing gypsum wallboard. The mixtures and emulsions may be wax-based emulsions or wax-free mixtures or emulsions, with wax-based emulsions including water, at least one wax, a dispersant which may include sulfur or a sulfur-containing group, and an additive comprising an organic titanium compound or organic zirconium compound. Mixtures may also be prepared including water, a dispersant; and an additive comprising an organic titanium compound or organic zirconium compound. Gypsum slurries may be prepared using such emulsions and mixtures and/or through addition of an organic titanium compound or organic zirconium compound.

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