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Title:
AIR FILTERS COMPRISING POLYMERIC SORBENTS FOR ALDEHYDES
Document Type and Number:
WIPO Patent Application WO/2018/229604
Kind Code:
A3
Abstract:
An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent particles are the reaction product of a hydrolyzed divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound, with the nitrogen-containing compound being ionically attached to the hydrolyzed divinylbenzene/ maleic anhydride.

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Inventors:
JASUJA HIMANSHU (US)
KOBE MICHAEL W (US)
WENDLAND MICHAEL S (US)
Application Number:
PCT/IB2018/054064
Publication Date:
February 14, 2019
Filing Date:
June 06, 2018
Export Citation:
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Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
B01D39/16; A62B18/02
Foreign References:
US6540936B12003-04-01
US20160311996A12016-10-27
US20120272829A12012-11-01
JP4194729B22008-12-10
US20060054023A12006-03-16
Attorney, Agent or Firm:
WOOD, Kenneth B., et al. (US)
Download PDF:
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