Specifically-defined smoking article with activated carbon sorbent and sodium bicarbonate-treated fibers and method of treating mainstream smoke

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United States of America Patent

PATENT NO 9491971
APP PUB NO 20070181141A1
SERIAL NO

11636588

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Abstract

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Filters and smoking articles include sodium bicarbonate-treated fibers and activated carbon capable of selectively removing one or more selected constituents from mainstream smoke. Methods for making cigarette filters and cigarettes using the sodium bicarbonate-treated fibers and activated carbon, and methods for treating mainstream smoke comprising the sodium bicarbonate-treated fibers and activated carbon are also provided.

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Patent Owner(s)

Patent OwnerAddress
PHILIP MORRIS USA INC6601 WEST BROAD STREET RICHMOND VA 23230

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schendel, Joel Midlothian, US 2 11
Xue, Lixin Midlothian, US 32 735
Yu, Liqun Midlothian, US 14 149

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