发明名称 Filter materials and uses thereof
摘要 The present invention relates to filter materials comprising cellulose acetate and polylactide in a ratio of about 95:5 to about 75:25 by weight, and to filters (2) or filter elements comprising such filter materials. The invention also relates to smoking articles (1) comprising the filter materials, filters (2) or filter elements.
申请公布号 GB201116425(D0) 申请公布日期 2011.11.02
申请号 GB20110016425 申请日期 2011.09.23
申请人 BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED 发明人
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