Invention Grant
- Patent Title: Air filters comprising polymeric sorbents for reactive gases
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Application No.: US16083829Application Date: 2017-03-10
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Publication No.: US11000827B2Publication Date: 2021-05-11
- Inventor: Derek M. Maanum , Michael S. Wendland , Michael W. Kobe , Austin D. Groth , Neal A. Rakow
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Kenneth B. Wood
- International Application: PCT/US2017/021850 WO 20170310
- International Announcement: WO2017/160646 WO 20170921
- Main IPC: B01J20/26
- IPC: B01J20/26 ; B01J20/28 ; B01J20/30 ; B01D53/14 ; B01D53/72 ; C08L1/02 ; C08F212/08 ; C08F212/36 ; C08F222/06 ; A62B7/10 ; A62B23/02 ; B01D39/16 ; B01D46/00 ; B01D46/10 ; B01D46/24 ; B01D46/52 ; B01D53/40 ; B01D53/82
Abstract:
An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent is the reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The air filter may be used for capturing e.g. reactive gases.
Public/Granted literature
- US20200330957A1 AIR FILTERS COMPRISING POLYMERIC SORBENTS FOR REACTIVE GASES Public/Granted day:2020-10-22
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