| 发明名称 | Cigarette filter, process for producing the same, and cigarette | ||
| 摘要 | A cigarette filter comprises a cellulose ester tow and a cellulose acetate particle dispersed in the cellulose ester tow, and the cellulose acetate particle has the following particle size: not less than 90% by weight of the cellulose acetate particle pass through a sieve having an aperture size of 1.7 mm and fail to pass through a sieve having an aperture size of 0.10 mm, and these sieves are in accordance with JIS Z8801-1 2006. | ||
| 申请公布号 | US9204669(B2) | 申请公布日期 | 2015.12.08 |
| 申请号 | US201113281094 | 申请日期 | 2011.10.25 |
| 申请人 | Daicel Corporation | 发明人 | Taniguchi Hiroki;Shigematsu Masato;Ikebe Takashi;Morioka Toshiyuki |
| 分类号 | A24D3/04;A24D3/10;A24D3/06 | 主分类号 | A24D3/04 |
| 代理机构 | Birch, Stewart, Kolasch & Birch, LLP | 代理人 | Birch, Stewart, Kolasch & Birch, LLP |
| 主权项 | 1. A cigarette filter, comprising: a cellulose ester tow; and a cellulose acetate particle dispersed in the cellulose ester tow, wherein the cellulose acetate particle has the following particle size: not less than 90% by weight of the cellulose acetate particle pass through a sieve having an aperture size of 1.7 mm and fail to pass through a sieve having an aperture size of 0.10 mm, the sieve is in accordance with JIS Z8801-1 2006, and the cigarette filter has a thickness retention of not less than 90% under a load of 300 g and has an air resistance of not more than 1000 mmWG at an air flow rate of 17.5 ml/second in a filter rod having a length of 100 mm and a diameter of 8 mm. | ||
| 地址 | Osaka JP | ||