Patent · US Active

Fiber cement material formulations and compositions thereof

US11370708B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

James Hardie Technology Limited · IE

Inventors

Xiangyuan Liu · Rancho Cucamonga, US
Huagang Zhang · Yucaipa, US
Jongmin Keum · Rancho Cucamonga, US
Yongjun Chen · Rancho Cucamonga, US
Yan Li · Dalian, CN
Weiling Peng · Goleta, US
Thinh Pham · Sydney, AU
Farshad J. Motamedi · Claremont, US
Lijun Mao · Murrieta, US
Thomas Patrick Mueller · Fontana, US

Key dates

Filing date	Oct 20, 2020
Grant date	Jun 28, 2022
Priority date	—
Expiry date	Feb 11, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2111/76
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A fiber cement material formulation comprising a cementitious binder, a siliceous material, fiber, alumina trihydrate and a bifunctional low density additive wherein the bifunctional low density additive comprises any one or more of diatomaceous earth, recycled autoclave fiber cement dust or cellulose dust. The fiber cement material formulation optionally further comprises a secondary low density additive which may be perlite. In some embodiments, a fiber cement article manufactured from the fiber cement material formulation comprises a density of approximately 1.1 g/cm3 or below.

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