Title:
WASHABLE FILTER BODIES AND METHODS FOR PRODUCING
Document Type and Number:
WIPO Patent Application WO/2022/115978
Kind Code:
A1
Abstract:
A filtration article is disclosed comprising a plugged porous honeycomb filter body, deposits of inorganic particles within the plugged honeycomb filter body, the deposits having a porosity in a range of greater than 95 % to less than or equal to 99.9 % and an average thickness in a range of greater than or equal to 0.5 μm to less than or equal to 200 μm, and at least some of the inorganic particles being fused to each other and/or to the filter body. The particles are fused by one or more of low-melting inorganic particles, inorganic particles capable of chemical bonding organic fusion bonds or organic chemical bonds between inorganic particles coated with an organic binder.
Inventors:
LU GUISONG (CN)
WU HUIQING (CN)
WANG HE (CN)
WU HUIQING (CN)
WANG HE (CN)
Application Number:
PCT/CN2020/133021
Publication Date:
June 09, 2022
Filing Date:
December 01, 2020
Export Citation:
Assignee:
CORNING INC (US)
LU GUISONG (CN)
LU GUISONG (CN)
International Classes:
B01D46/24; B01D39/20; C04B41/87
Domestic Patent References:
| WO2017075328A1 | 2017-05-04 |
Foreign References:
| CN111511455A | 2020-08-07 | |||
| CN103080046A | 2013-05-01 | |||
| CN103339088A | 2013-10-02 | |||
| CN105793212A | 2016-07-20 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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