METHOD AND APPARATUS FOR THE PLASMA PROCESSING OF FILTER MATERIAL
摘要
<p>One embodiment of the invention provides a method of manufacturing a filter material such as carbon suitable for use in a smoking article. The method includes modifying the filtration properties of the filter by altering the surface of the filter material. The surface alteration is performed by plasma processing and can be used, for example, to increase the acidic or basic properties of the surface. Another embodiment of the invention provides a filter produced by such a method.</p>
申请公布号
WO2009121698(A1)
申请公布日期
2009.10.08
申请号
WO2009EP52839
申请日期
2009.03.11
申请人
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED;MOLA, MICHELE;D'AGOSTINO, RICCARDO;FAVIA, PIETRO;DE VIETRO, NICOLETTA;FRACASSI, FRANCESCO
发明人
MOLA, MICHELE;D'AGOSTINO, RICCARDO;FAVIA, PIETRO;DE VIETRO, NICOLETTA;FRACASSI, FRANCESCO