公开(公告)号：US20180104666A1

公开(公告)日：2018-04-19

申请号：US15568584

申请日：2016-04-20

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Matthew A. Rankin

IPC: B01J20/02 ,  B01J20/28

CPC classification number: B01J20/0229 ,  B01J20/28057 ,  B01J20/2808 ,  B01J20/28083

Abstract: A filter media composition includes a ferrihydrite material having an average pore size (BJH) in a range from 1 to 3 nm and a surface area (BET) of at least 200 m2/g or at least 250 m2/g or at least 300 m2/g.

公开(公告)号：US10806954B2

公开(公告)日：2020-10-20

申请号：US15749820

申请日：2016-08-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Matthew A. Rankin ,  Jeffrey R. Dahn ,  Xiaowei Ma

IPC: B01J20/06 ,  C01G45/02 ,  B01D53/02 ,  B01J20/28 ,  A62B23/02 ,  A62B19/00 ,  B01J20/30 ,  B01J20/02 ,  B01D53/04

Abstract: A respiratory protection filter includes filtration media. The filtration media includes an iron-doped manganese oxide material having an average pore size (BJH method) in a range from 1 to 4 nm and a surface area (BET) of at least 300 m2/g, or at least 350 m2/g, or at least 400 m2/g.

公开(公告)号：US11331645B2

公开(公告)日：2022-05-17

申请号：US17249811

申请日：2021-03-15

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Matthew A. Rankin

IPC: B01J20/00 ,  B01J20/02 ,  B01J20/28

Abstract: A filter media composition includes a ferrihydrite material having an average pore size (BJH) in a range from 1 to 3 nm and a surface area (BET) of at least 200 m2/g or at least 250 m2/g or at least 300 m2/g.

公开(公告)号：US20180221692A1

公开(公告)日：2018-08-09

申请号：US15749820

申请日：2016-08-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Matthew A. Rankin ,  Jeffrey R. Dahn ,  Xiaowei Ma

IPC: A62B23/02 ,  B01J20/02 ,  B01J20/06 ,  B01J20/28 ,  B01J20/30

CPC classification number: A62B23/02 ,  A62B19/00 ,  B01D53/02 ,  B01D53/0415 ,  B01D2253/1124 ,  B01D2253/25 ,  B01D2253/306 ,  B01D2253/308 ,  B01D2257/302 ,  B01D2257/406 ,  B01D2257/704 ,  B01D2257/708 ,  B01D2258/06 ,  B01D2259/4541 ,  B01J20/0229 ,  B01J20/06 ,  B01J20/28057 ,  B01J20/28061 ,  B01J20/28078 ,  B01J20/2808 ,  B01J20/28083 ,  B01J20/3007 ,  B01J20/3021 ,  B01J20/3028 ,  B01J20/3035 ,  B01J20/3085 ,  B01J2220/42 ,  C01G45/02 ,  C01P2002/54 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16

Abstract: A respiratory protection filter includes filtration media. The filtration media includes an iron-doped manganese oxide material having an average pore size (BJH method) in a range from 1 to 4 nm and a surface area (BET) of at least 300 m2/g, or at least 350 m2/g, or at least 400 m2/g.

公开(公告)号：US20210197170A1

公开(公告)日：2021-07-01

申请号：US17249811

申请日：2021-03-15

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Matthew A. Rankin

IPC: B01J20/02 ,  B01J20/28

Abstract: A filter media composition includes a ferrihydrite material having an average pore size (BJH) in a range from 1 to 3 nm and a surface area (BET) of at least 200 m2/g or at least 250 m2/g or at least 300 m2/g.

公开(公告)号：US10974222B2

公开(公告)日：2021-04-13

申请号：US15568584

申请日：2016-04-20

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Matthew A. Rankin

IPC: B01J20/00 ,  B01J20/02 ,  B01J20/28

Abstract: A filter media composition includes a ferrihydrite material having an average pore size (BJH) in a range from 1 to 3 nm and a surface area (BET) of at least 200 m2/g or at least 250 m2/g or at least 300 m2/g.