发明名称 |
BIODEGRADABLE CIGARETTE FILTER TOW AND ITS PROCESS OF MANUFACTURE |
摘要 |
<p>The present invention concerns a biodegradable cigarette filter tow comprising composite filaments of cellulose and cellulose acetate, and a process for making such a filter tow comprising providing a solution dope comprising a blend of cellulose and cellulose acetate in an ionic liquid or in N-methylmorphilone-N-oxide (NMMO), and spinning casting the blend into a protic solvent to generate fibers or films, and converting the fibers or films into cigarette filter tow. The invention also concerns cigarette filters and cigarettes made from such a filter tow.</p> |
申请公布号 |
EP2490557(A1) |
申请公布日期 |
2012.08.29 |
申请号 |
EP20100760393 |
申请日期 |
2010.09.17 |
申请人 |
INNOVIA FILMS LIMITED |
发明人 |
MARSHALL, COLIN;MOFFAT, JAMIE |
分类号 |
A24D3/10;D01F2/00;D01F2/02;D01F2/28 |
主分类号 |
A24D3/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|