发明名称 Method and device for control of by-products from cigarette smoke.
摘要 <p>A tobacco-smoke filter comprising a compacted polyolefin-fiber-containing filtering substrate, and a modifying additive that enhances filtering efficiency, a method for making such filters, and the use of the filter as the filter-tip part of a tobacco cigarette are disclosed; the modifying additive is one or more additive salts consisting of zinc chloride, ferrous bromide, calcium bromide, zinc thiocyanate, sarcosine hydrochloride, manganese sulfate, manganese acetate, magnesium chloride, magnesium sulfate, or magnesium acetate, and it optionally contains glyceryl triacetate.</p>
申请公布号 EP0348741(A2) 申请公布日期 1990.01.03
申请号 EP19890110832 申请日期 1989.06.14
申请人 HERCULES INCORPORATED 发明人 COHEN, RICHMOND R.;GIBBONI, DAVID J.
分类号 A24D3/02;A24D3/08;A24D3/14;A24D3/16;A24F13/06;D04H1/46 主分类号 A24D3/02
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