Method for dispersing powder materials in a cigarette rod

Details Method for dispersing powder materials in a cigarette rod Method for dispersing powder materials in a cigarette rod

2006-04-18

2006-04-18

Walls, Dionne A. (Department: 1731)

Tobacco

Tobacco treatment

With fluid or fluent material

C131S290000, C131S280000

Reexamination Certificate

active

07028694

ABSTRACT:
A system and method is provided for dispersing fine catalyst powders having nanoscale or microscale particles throughout the tobacco rod portion of a cigarette. A source of vacuum is connected to the filter end of a cigarette through a tube that is sealingly engaged with the filter end of the cigarette. The opposite cut filler end of the tobacco rod portion of the cigarette is placed in the proximity of a predetermined amount of the catalyst powder contained in a container. The vacuum is applied to the cigarette filter in an amount and for a period of time that is a function of the size and quantity of the particles to be drawn into and dispersed throughout the tobacco rod portion of the cigarette.

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