Patent · US Active

Air filter media with post-pleat-deposited sorbent particles

US11305224B2 · kind B2 · utility

1Cited by

27References

12Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Andrew R. Fox · Oakdale, US
Himanshu Jasuja · Gothan, IN
Mikhail A. Belkin · Austin, US
Bryan L. Gerhardt · Woodbury, US
Glen O. Gregerson · Hudson, US
Gerry A. Hoffdahl · Scandia, US
Jonathan M. Lise · Woodbury, US
Tien T. Wu · Woodbury, US

Key dates

Filing date	Apr 18, 2017
Grant date	Apr 19, 2022
Priority date	—
Expiry date	Aug 28, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2279/50
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An air filter media (10) including a pleated fibrous filtration web (8) with a first major side (2) that includes at least one sorbent-loaded area (26) in which sorbent particles (14) are present on a first major surface (25) of the pleated fibrous filtration web (8), at least some of the sorbent particles (14) being post-pleat-deposited sorbent particles.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.