Tobacco smoke filters and process for production thereof

Details Tobacco smoke filters and process for production thereof Tobacco smoke filters and process for production thereof

1988-09-28

1990-10-23

Millin, V.

Tobacco

Smoke separator or treater

Plural diverse elements

131331, 131341, 131345, A24D 316

Patent

active

049644262

ABSTRACT:
Disclosed is a novel tobacco smoke filter material comprising a filter element such as cellulose acetate crimped tow having at least about 1 weight percent of micro acicular crystals of a compound such as sodium carbonate present on the surfaces of the filter element. Also disclosed is a process for preparation of such tobacco smoke filter material.

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patent: 3426763 (1969-02-01), Sloan et al.
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patent: 4763674 (1988-08-01), Lelah
patent: 4765347 (1988-08-01), Sensabaugh, Jr. et al.
patent: 4765348 (1988-08-01), Honeycutt
"Kodak Tobacco Smoke Filter Know-How; Summary of Research Through Jan., 1970", Jul. 1972, Eastman Kodak Company.
Fundaments of High Polymers, O. A. Battista, Reinhold Publishing Corporation, New York, Library of Congress Catalog No. 58-10427.
The Merck Index, pp. 273 and 274.

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