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:
May. 26, 2026
Filed:
Sep. 09, 2021
3m Innovative Properties Company, St. Paul, MN (US);
Michelle M. Mok, St. Paul, MN (US);
Nicole D. Petkovich, Little Canada, MN (US);
Michael R. Berrigan, Oakdale, MN (US);
Yongbeom Seo, Woodbury, MN (US);
Andrew J. Hatch, Eagan, MN (US);
Kevin A. Frankel, Woodbury, MN (US);
Seungkyu Lee, Cupertino, CA (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An acoustic absorbing filler, the acoustic absorbing filler comprising agglomerates comprising a first phase comprising a plurality of porous particulates and a second phase comprising a binder; wherein the acoustic absorbing filler has a median sieved particle size of from 100 micrometer to 700 micrometers and a specific surface area of from 50 m/g to 900 m/g; wherein the acoustic absorbing filler has a normal incidence acoustic absorption of no less than 0.20 alpha at 400 Hz.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile