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:
Mar. 10, 2026
Filed:
Aug. 04, 2020
Agency for Science, Technology and Research, Singapore, SG;
Hong Yan, Singapore, SG;
Kui Yao, Singapore, SG;
Shuting Chen, Singapore, SG;
Poh Chong Lim, Singapore, SG;
Agency for Science, Technology and Research, Connexis North, SG;
Abstract
A porous composite material () for sound absorption and a method () of producing the porous composite material () are provided. The method () includes preparing () a mixture of mechano-electrical conversion elements () and electro-thermal conversion elements () in an organic solvent. The mixture of the mechano-electrical conversion elements () and the electro-thermal conversion elements () in the organic solvent is mixed () with an aqueous solvent to precipitate a piezoelectric hybrid filler material (). The piezoelectric hybrid filler material () is mixed () with a precursor. A foaming operation is performed () with the precursor to produce the porous composite material ().