US Patent Issued to AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) on Jan. 27 for "Sound-absorbing material block, method for preparing the same and its application" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,070, issued on Jan. 27, was assigned to AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co. LTD. (Shenzhen, China).

"Sound-absorbing material block, method for preparing the same and its application" was invented by Zhongyang Wang (Shenzhen, China), Hezhi Wang (Shenzhen, China) and Jie Zhang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sound-absorbing material block, a method for preparing the same and application thereof are provided. The sound-absorbing material block includes three-dimensional open-cell foam, sound-absorbing material powder, a binder, a gel, and a cross-linking agent. The sound-absorbing material powder is bonded to eac...