Invention Grant
- Patent Title: Cigarette filter, process for producing the same, and cigarette
- Patent Title (中): 香烟过滤器，生产过程和香烟
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Application No.: US13281094Application Date: 2011-10-25
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Publication No.: US09204669B2Publication Date: 2015-12-08
- Inventor: Hiroki Taniguchi , Masato Shigematsu , Takashi Ikebe , Toshiyuki Morioka
- Applicant: Hiroki Taniguchi , Masato Shigematsu , Takashi Ikebe , Toshiyuki Morioka
- Applicant Address: JP Osaka
- Assignee: Daicel Corporation
- Current Assignee: Daicel Corporation
- Current Assignee Address: JP Osaka
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2010-245501 20101101
- Main IPC: A24D3/04
- IPC: A24D3/04 ; A24D3/10 ; A24D3/06
Abstract:
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.
Public/Granted literature
- US20120103352A1 CIGARETTE FILTER, PROCESS FOR PRODUCING THE SAME, AND CIGARETTE Public/Granted day:2012-05-03
Information query
