Filtering material

Details Filtering material Filtering material

1973-07-10

1976-03-23

Tung, T.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

131265, 131266, 260212, 4232132, 423230, 423239, 423244, 423245, 423247, B01D 5334

Patent

active

039461017

ABSTRACT:
A fluid filter, especially useful for cigarettes and the like, comprises cellulose which has been oxidized by an inorganic metal nitrate, such as manganese nitrate.
Other constituents, such as activated charcoal, tobacco, powdered pumice and thermoplastics may be added to the oxidized cellulose to modify the filtering action. The filter may also have application in the automobile industry.

REFERENCES:
patent: 3007917 (1961-11-01), Pauling
patent: 3372979 (1968-03-01), Reinhardt et al.

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