Title:
ADJUSTABLE VOC/FORMALDEHYDE CO-ABSORBING USABLE MASK CARTIRDGE AND CANISTER
Document Type and Number:
WIPO Patent Application WO/2016/074217
Kind Code:
A1
Abstract:
Improved filter cartridges (102) and methods of forming filter cartridges (102) operable to filter both polar and nonpolar chemicals are provided. The filter cartridge (102) may comprise a combination of at least two activated carbon filtration materials (210), wherein a first carbon material (211) is operable to effectively absorb nonpolar chemicals and a second carbon material (212) is operable to effectively absorb polar chemicals. The chemical materials may be combined and may form a layer of the filter cartridge (102). The filter cartridge (102) may also be operable to filter particulate matter.
Inventors:
WANG LI (US)
LIU HAILIN (US)
SHEN WEIFENG (US)
LU YUZHENG (US)
LIU HAILIN (US)
SHEN WEIFENG (US)
LU YUZHENG (US)
Application Number:
PCT/CN2014/091109
Publication Date:
May 19, 2016
Filing Date:
November 14, 2014
Export Citation:
Assignee:
HONEYWELL INT INC (US)
WANG LI (US)
LIU HAILIN (US)
SHEN WEIFENG (US)
LU YUZHENG (US)
WANG LI (US)
LIU HAILIN (US)
SHEN WEIFENG (US)
LU YUZHENG (US)
International Classes:
A62B7/10; B01D39/00; A61L9/00
Domestic Patent References:
| WO1995012432A1 | 1995-05-11 |
Foreign References:
| CN102458584A | 2012-05-16 | |||
| CN101132835A | 2008-02-27 | |||
| US20090056536A1 | 2009-03-05 | |||
| US20140326134A1 | 2014-11-06 | |||
| CN103976483A | 2014-08-13 |
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (Great Eagle Center,23 Harbour Road,,Wanchai, Hong Kong, CN)
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