Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Deodorizing
Patent
1996-09-24
1999-09-28
Thornton, Krisanne
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Deodorizing
422122, 424 765, 424 766, A61L 900
Patent
active
059583347
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
This invention relates to a combination capable of forming an odour barrier for trapping/blocking odours, more particularly to a toilet odour barrier. The invention also relates to methods for trapping/blocking odours, a receptacle and method of using the receptacle.
BACKGROUND ART
All present methods of bathroom deodorising either cover up the bad air (aerosol perfume spray) or try to increase air replacement (exhaust fans). Variations include perfume dispensers located around the toilet rim activated by the flush, toilet "blue" in the holding tank which foams slightly after flushing. However, the foam is produced after the odour has already been released and after the fecal matter is flushed away.
The cistern is an attempt to prevent the spreading of odours by trapping the human waste under the water for the period before it is flushed away. They cannot work as designed because more fibre in the Western diet makes faeces float on top of the water, facilitating transfer of odours to the surrounding air.
Portable chemical toilets partly solve the problem by using liquids that are lighter than water, increasing the likelihood of solid waste sinking and being isolated. Some use a spring trapdoor which re-closes after defecation to isolate collected waste. These options are not appropriate for the bathroom.
There are certain natural non-flushing toilets which use a permanent fan to produce negative pressure under the seat. They are very effective in eliminating smells from the bathroom but are more for rural settings since they transfer the smell outside.
There is a need for using an airlock to isolate human waste from the surrounding air in the bathroom.
OBJECTS OF INVENTION
It is an object of this invention to provide a combination capable of forming an odour barrier for trapping/blocking odours. It is a further object of this invention to provide methods for trapping/blocking odours. It is a further object of this invention to provide a receptacle and method of using the receptacle.
DISCLOSURE OF INVENTION
According to a first embodiment of this invention there is provided a combination capable of forming an odour barrier, the combination comprising at least two components wherein the first component is capable of reacting with the second component to form an odour barrier capable of trapping/blocking odours about a medium selected from the group consisting of an odour containing/releasing medium and a medium to receive odour containing/releasing material.
Typically the first component is capable of reacting with the second component, on addition of the first and second components to the medium, to form the odour barrier capable of trapping/blocking odours about the odour containing/releasing medium or the medium to receive odour containing/releasing material.
According to a second embodiment of this invention there is provided a method of trapping/blocking odours comprising forming an odour barrier about a medium selected from the group consisting of an odour containing/releasing medium and a medium to receive odour containing/releasing material, to form a barrier to odours from the medium.
Since the combination is capable of forming an odour barrier for trapping/blocking odours it effectively acts as a deodoriser. The odour barrier is capable of trapping/blocking odours or preventing odours from substantially penetrating the barrier. Typically the method comprises adding to the odour containing/releasing medium or the medium to receive odour containing/releasing material an effective barrier forming amount of a combination capable of forming an odour barrier for trapping/blocking odours, the combination comprising at least two components wherein the first component is capable of reacting with the second component, on addition of the first and second components to the medium, to form an odour barrier capable of trapping/blocking odours about the odour containing/releasing medium or the medium to receive odour containing/releasing material.
The combination of the invention is capa
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Ash, Michael and Irene, The Handbook of Cosmetic and Personal Care Additives, p. 184, 1994.
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