Deodorizing filter

Details Deodorizing filter Deodorizing filter

1990-07-17

1994-12-13

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

For deodorizing of, or chemical purification of, or...

Including solid, extended surface, fluid contact reaction...

422 5, 55512, 55527, 21050029, 210506, 210508, 210509, 239 56, 239 60, A62B 1100

Patent

active

053727886

ABSTRACT:
A deodorizing filter which is composed of a honeycomb structure of ceramic fibrous paper supporting cuprous oxide or both cuprous oxide and solid acid; and a method for manufacturing the deodorizing filter wherein the ceramic fibrous paper is soaked in the slurry of the mixture of reductant-added water solution with the cuprous oxide and binder or with the cuprous oxide, solid acid and binder and is dried; and then the ceremic fibrous paper is formed into the honeycomb-type filter; or the ceramic fibrous paper with the binder added is formed first into the honeycomb-type filter and then is soaked in the slurry of the mixture of reductant-added water solution with the cuprous oxide and binder or with the cuprous oxide, solid acid and binder and finally is dried to make the deodorizing filter.

REFERENCES:
patent: Re29410 (1977-09-01), Yoshino
patent: 3573158 (1971-03-01), Pall et al.
patent: 3939103 (1976-02-01), Belliot et al.
patent: 4802626 (1989-02-01), Forbes et al.
patent: 4898727 (1990-02-01), Osada et al.
patent: 4959207 (1990-12-01), Ueda et al.

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