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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.:

US 12584057 B1

PDFFull Text
Date of Patent:
Mar. 24, 2026

Filed:

Jul. 25, 2023

Geopolymer-based sub-ambient daytime radiative cooling coating

Applicant:

The Hong Kong Polytechnic University, Hong Kong, CN;

Inventors:

Jianguo Dai, Hong Kong, CN;

Ning Yang, Hong Kong, CN;

Assignee:

The Hong Kong Polytechnic University, Hong Kong, CN;

Attorney:

S&F/WEHRW

Primary Examiner:

Anthony J Green

Int. Cl.
CPC ...
C09K 5/14 (2006.01); C04B 12/00 (2006.01); C04B 12/04 (2006.01); C04B 14/06 (2006.01); C04B 20/00 (2006.01); C04B 22/14 (2006.01); C04B 28/00 (2006.01); C04B 111/00 (2006.01); C04B 111/80 (2006.01);
U.S. Cl.
CPC ...
C09K 5/14 (2013.01); C04B 12/005 (2013.01); C04B 12/04 (2013.01); C04B 14/062 (2013.01); C04B 20/008 (2013.01); C04B 22/142 (2013.01); C04B 28/006 (2013.01); C04B 2111/00508 (2013.01); C04B 2111/80 (2013.01); C04B 2201/32 (2013.01);
Abstract

Sub-ambient daytime radiative cooling (SDRC) coating comprising: an alkali activated metakaolin, BaSO, and silica nanospheres, wherein the alkali activated metakaolin is prepared by reaction of metakaolin with an alkali activator comprising waterglass and a strong base selected from the group consisting of LiOH, NaOH, KOH, Ca(OH), LiO NaO, KO, CaO, and a mixture thereof, a coating formulation comprising the same, and a method of preparation and use thereof.

Find Patent Forward Citations

Dai, Jianguo. (2026). Geopolymer-based sub-ambient daytime radiative cooling coating (U.S. Patent No. 12584057). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12584057

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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