| 发明名称 |
SMOKING ARTICLE FILTER INCLUDING DEGRADABLE FILTER COMPONENT |
| 摘要 |
A filter for a smoking article includes a filter component formed from a solution of cellulose acetate and a degradable polymer in aceton, the degradable polymer being soluble in acetone and degrading in the presence of water. In a first aspect of the invention, the filter component is a filter segment (16) formed of a plurality of fibres formed from the degradable solution. In a second aspect of the invention, the filter component is a wrapper (39) circumscribing at least a segment of the filter. |
| 申请公布号 |
US2016270437(A1) |
申请公布日期 |
2016.09.22 |
| 申请号 |
US201415035054 |
申请日期 |
2014.12.22 |
| 申请人 |
PHILIP MORRIS PRODUCTS S.A. |
发明人 |
Nappi Leonardo |
| 分类号 |
A24D3/06;A24D3/14;A24D3/10;A24D3/04;D01F8/02;A24D1/04;A24F47/00;D01F8/14;A24D3/08;A24D3/02 |
主分类号 |
A24D3/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A filter for a smoking article, the filter including a filter component formed from a solution of cellulose acetate and a degradable polymer in acetone, the degradable polymer being soluble in acetone and degrading in the presence of water. |
| 地址 |
Neuchâtel CH |
