Selective delivery and retention of nicotine by-product from cig

Details Selective delivery and retention of nicotine by-product from cig Selective delivery and retention of nicotine by-product from cig

1988-10-17

1990-01-30

Millin, V.

Tobacco

Smoke separator or treater

Plural diverse elements

131343, 131345, 131331, A24D 306, A24D 308, A24D 316

Patent

active

048966835

ABSTRACT:
A method for controlling nicotine delivery through a cigarette filter relative to total particulate pass-through concentration, and the corresponding filter utilizing, as a filter modifier component, at least one water-soluble metal salt of a weak acid, the choice and amount of salt within the filter favoring an alkaline pH exceeding about pH 8, the amount of alkalinity being correlated to the desired amount of nicotine pass-through while corresponding nicotine filter retention properties are keyed to the presence and concentration of a water soluble salt of a strong acid within the filter.

REFERENCES:
patent: 2429567 (1947-10-01), Sowa
patent: 3353544 (1967-11-01), Fordyce et al.
patent: 3403690 (1968-10-01), Horsewell
patent: 3428055 (1967-02-01), Sublett et l.
patent: 3428056 (1969-02-01), Sublett et l.
patent: 3434479 (1969-03-01), Till et al.
patent: 3605759 (1971-09-01), Owens et al.
patent: 3635226 (1972-01-01), Horsewell et al.
patent: 3664352 (1972-05-01), Norman et l.
patent: 4246910 (1981-01-01), Radner et l.

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