FILTERS INCLUDING SEGMENTED MONOLITHIC SORBENT FOR GAS-PHASE FILTRATION
摘要
A filter includes at least two monolithic sorbent segments and a mixing segment between the two monolithic sorbent segments. The monolithic sorbent segments comprise porous sorbent materials that are capable of selectively removing one or more selected gaseous constituents from a gas flow. The filter can be incorporated in a smoking article, such as a cigarette, to remove one or more selected constituents from mainstream smoke. Methods for making the filter and smoking articles including the filter, as well as methods for smoking a cigarette comprising the filter, are also provided.
申请公布号
WO2004086888(A3)
申请公布日期
2005.05.12
申请号
WO2004IB01368
申请日期
2004.04.02
申请人
PHILIP MORRIS PRODUCTS S.A.
发明人
ZHUANG, SHUZHONG;FOURNIER, JAY, A.;PAINE, JOHN, B. III;SHERWOOD, TIMOTHY, S.;KOLLER, KENT, B.;LUAN, ZHAOHUA;THOMAS, CHARLES, E., JR.