Open cell structure foamed cellulose acetate filters

Details Open cell structure foamed cellulose acetate filters Open cell structure foamed cellulose acetate filters

1979-05-23

1981-08-11

Millin, V.

Tobacco

Smoke separator or treater

Having a polymer

A24D 304

Patent

active

042828902

ABSTRACT:
This invention relates to a method of manufacturing foamed cellulose acetate and the product produced thereby. More specifically, the invention relates to a melt extrusion process for producing open cell structure foamed cellulose acetate having special use as a filtering element for an aerosol such as tobacco smoke.

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