US 11,717,023 B2
Filtered smoking article
Toru Sakurai, Tokyo (JP); Taku Hideshima, Tokyo (JP); and Yusuke Kuromiya, Tokyo (JP)
Assigned to JAPAN TOBACCO INC., Tokyo (JP)
Filed by JAPAN TOBACCO INC., Tokyo (JP)
Filed on Jun. 25, 2020, as Appl. No. 16/912,194.
Application 16/912,194 is a continuation of application No. PCT/JP2017/046776, filed on Dec. 26, 2017.
Prior Publication US 2020/0323258 A1, Oct. 15, 2020
Int. Cl. A24D 1/02 (2006.01); A24D 1/04 (2006.01); D21H 27/08 (2006.01); D21H 17/37 (2006.01)
CPC A24D 1/025 (2013.01) [A24D 1/045 (2013.01); D21H 27/08 (2013.01); D21H 17/375 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A filtered smoking article comprising:
an aerosol generation rod;
a filter disposed at a downstream end of the aerosol generation rod; and
tipping paper wrapped around a downstream end part of the aerosol generation rod and an outer circumferential surface of the filter and connecting the aerosol generation rod and the filter, wherein
the tipping paper is paper containing bleached pulp and unbleached pulp,
fibers of the unbleached pulp have a length of 1 mm to 4 mm and a thickness of 20 μm to 70 μm, and
the tipping paper has lightness L* of 80 to 92.5, chromaticity a* of 0.7 to 1.6 and chromaticity b* of 8 to 13 in a CIELab colorimetric system.