Chemical apparatus and process disinfecting – deodorizing – preser – For deodorizing of – or chemical purification of – or... – Including means adding material into environmental gas
Patent
1984-06-04
1986-04-01
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
For deodorizing of, or chemical purification of, or...
Including means adding material into environmental gas
422305, A62B 708
Patent
active
045797170
ABSTRACT:
A room air freshener in the form of a porous ceramic ring sized to rest on the upper end of a conventional electric lamp bulb. The ring has a cavity in its top surface of volume less than the combined volume of the pores of the ceramic so that a fragrant oil filling the cavity will be completely absorbed by the ceramic leaving a dry outer surface which does not collect dust. When the lamp bulb is turned on, the ring is heated to vaporize the oil and release the fragrance which permeates the room.
REFERENCES:
patent: 1403548 (1922-01-01), Gudeman
patent: 1556680 (1925-10-01), Dorment
patent: 2124543 (1938-07-01), Clyne
patent: 2539696 (1951-01-01), Morrison
Hammar Ralph
Ledbetter, Jr. Titus B.
Richman Barry S.
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