US 12,075,820 B2
Wrapping paper for non-combustible heated type smoking article, non-combustible heated type smoking article, and electrically-heated smoking system
Toru Sakurai, Tokyo (JP); and Noriko Osawa, Tokyo (JP)
Assigned to JAPAN TOBACCO INC., Tokyo (JP)
Filed by JAPAN TOBACCO INC., Tokyo (JP)
Filed on Dec. 31, 2020, as Appl. No. 17/139,324.
Application 17/139,324 is a continuation of application No. PCT/JP2018/025096, filed on Jul. 2, 2018.
Prior Publication US 2021/0120867 A1, Apr. 29, 2021
Int. Cl. A24D 1/20 (2020.01); A24B 15/14 (2006.01); A24D 1/00 (2020.01); A24D 1/02 (2006.01); A24F 40/20 (2020.01); A24F 40/46 (2020.01); A24F 40/50 (2020.01); D21H 21/16 (2006.01); D21H 27/00 (2006.01); A24D 1/04 (2006.01); A24F 40/57 (2020.01); A24F 47/00 (2020.01); D21H 27/10 (2006.01)
CPC A24D 1/20 (2020.01) [A24B 15/14 (2013.01); A24D 1/002 (2013.01); A24D 1/02 (2013.01); A24F 40/20 (2020.01); A24F 40/46 (2020.01); A24F 40/50 (2020.01); D21H 5/16 (2013.01); D21H 21/16 (2013.01); D21H 27/00 (2013.01); A24D 1/042 (2013.01); A24F 40/57 (2020.01); A24F 47/00 (2013.01); D21H 27/10 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A wrapping paper for a non-combustible heated type smoking article, having a basis weight of 35 g/m2 or more and 65 g/m2 or less, a pulp freeness of 69° Schopper-Riegler (SR) or more, an air permeability of 20 Coresta Units (CU) or less, and an opacity of 85% or less.