US 12,317,918 B2
Wrapper for aerosol delivery products and aerosol delivery products made therefrom
Bruno Stefani, Le Mans (FR); and Lanig Le Bec, Tregunc (FR)
Assigned to SWM Holdings US, LLC, Atlanta, GA (US)
Filed by Schweitzer-Mauduit International, Inc., Alpharetta, GA (US)
Filed on Feb. 22, 2022, as Appl. No. 17/677,432.
Claims priority of provisional application 63/152,140, filed on Feb. 22, 2021.
Prior Publication US 2022/0264937 A1, Aug. 25, 2022
Int. Cl. A24D 1/02 (2006.01); A24D 1/20 (2020.01); D21H 17/64 (2006.01); D21H 17/68 (2006.01); D21H 19/34 (2006.01); D21H 21/34 (2006.01)
CPC A24D 1/02 (2013.01) [A24D 1/20 (2020.01); D21H 17/64 (2013.01); D21H 17/68 (2013.01); D21H 19/34 (2013.01); D21H 21/34 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A wrapper for a heat but not burn stick comprising:
a base web comprising cellulosic fibers combined with a flame retardant filler, the base web having a first side and a second and opposite side, the flame retardant filler being present in the base web in an amount of from about 18% to about 55% by weight, the base web having a bulk of less than about 1.7 cc/g, a basis weight of greater than 50 gsm to about 85 gsm, and having a permeability of about 55 mL/min or less.