Tobacco – Smoke separator or treater – Plural diverse elements
Patent
1987-12-28
1991-05-07
Millin, V.
Tobacco
Smoke separator or treater
Plural diverse elements
131335, 131340, 493 39, 493 42, 493 47, 493 49, A24D 304, A24D 302
Patent
active
050128299
ABSTRACT:
A cigarette filter has a substantially cylindrical inner member of filter material surrounded by an outer member of filter material and a plugwrap. The density of the inner and outer members are typically different, and a flavorant is added to at least one of the members. Methods and apparatus for making the filter are also disclosed.
REFERENCES:
patent: 4026306 (1977-05-01), Berger
patent: 4046063 (1977-09-01), Berger
patent: 4064791 (1977-12-01), Berger
patent: 4355995 (1982-10-01), Berger
Nichols Walter A.
Thesing Richard A.
Jackson Robert R.
Millin V.
Philip Morris Incorporated
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