Tobacco filter

Details Tobacco filter Tobacco filter

1976-09-10

1978-04-25

Michell, Robert W.

Tobacco

Tobacco users' appliance

Supports

A24B 15027

Patent

active

040857603

ABSTRACT:
A tobacco filter comprised of cellulose acetate fibers prepared by contacting cellulose fibers in the solid fiberous state, with a gaseous or liquid acetylating agent.

REFERENCES:
patent: 3451887 (1969-06-01), Touey et al.
patent: 3470008 (1969-09-01), Watson

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