Filter material

Details Filter material Filter material

1979-11-27

1982-09-21

Millin, V.

Tobacco

Smoke separator or treater

Having a polymer

131342, A24D 302, A24D 308, A24D 310, A24D 312

Patent

active

043501737

ABSTRACT:
A filter material for removing at least one given substance from an at least substantially gaseous medium, such as tobacco smoke, comprises a cross-linked carbohydrate polymer which is swellable to a given degree and which has the form of an open-pore three-dimensional micro-porous network, there being substantially uniformly distributed therein at least one agent able to remove said substance in a substantially selective manner from the medium passing through the filter.

REFERENCES:
patent: 4062368 (1977-12-01), Crellin et al.
patent: 4202356 (1980-05-01), Digenis et al.

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