Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – A gas is substance acted upon
Reexamination Certificate
2005-05-17
2005-05-17
McKane, Elizabeth (Department: 1744)
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
A gas is substance acted upon
C422S024000, C422S121000, C096S224000
Reexamination Certificate
active
06893610
ABSTRACT:
A system and method for purifying air is provided. An air purifier may include a housing, a means to move an airstream into the housing, and a pair of ultraviolet radiation generating means and associated control means to produce ozone to destruct airborne contaminants. The housing may be an elongated hollow tube, and the ultraviolet radiation generating means may be lamps of generally cylindrical shape axially aligned in the hollow tube. The control means may be lamp drivers and timers. The air purifier may further include a reactive filter across an exit means to reduce residual amounts of ozone in the stream of air passing through the exit means.
REFERENCES:
patent: 4990311 (1991-02-01), Hirai et al.
patent: 5601786 (1997-02-01), Monagan
patent: 5961920 (1999-10-01), Soremark
Kenyon & Kenyon
McKane Elizabeth
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