The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2022
Filed:
Oct. 20, 2020
James Hardie Technology Limited, Dublin, IE;
Xiangyuan Liu, Rancho Cucamonga, CA (US);
Huagang Zhang, Rancho Cucamonga, CA (US);
Jongmin Keum, Rancho Cucamonga, CA (US);
Yongjun Chen, Rancho Cucamonga, CA (US);
Yan Li, Rancho Cucamonga, CA (US);
Weiling Peng, Rancho Cucamonga, CA (US);
Thinh Pham, Yucaipa, CA (US);
Farshad J. Motamedi, Mission Viejo, CA (US);
Lijun Mao, Rancho Cucamonga, CA (US);
Thomas Mueller, Yucaipa, CA (US);
James Hardie Technology Limited, Dublin, IE;
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/cmor below.