Permeable container receiving a volatile agent for air...

Details Permeable container receiving a volatile agent for air... Permeable container receiving a volatile agent for air...

2005-12-07

2009-08-25

Hopkins, Robert A (Department: 1797)

Gas separation: apparatus

With means to add fragrance or scent

C261S095000, C261SDIG088

Reexamination Certificate

active

07578873

ABSTRACT:
The invention relates to an air treatment device using a volatile treating agent contained inside a permeable container (1), particularly applicable to a ventilating, heating and/or air conditioning installation. The treating agent is a liquid packaged inside a cohesive spongy body (2) occupying the available volume of a chamber (3) formed by an internal hollow of the container (1).

REFERENCES:
patent: 2578827 (1951-12-01), Munnecke
patent: 4356969 (1982-11-01), Obermayer et al.
patent: 4523870 (1985-06-01), Spector
patent: 4961493 (1990-10-01), Kaihatsu
patent: 6029901 (2000-02-01), Toy, II
patent: 2002/0197187 (2002-12-01), Muray

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