	US 12,252,403 B2
	Filtering material and filter for retaining polyaromatic hydrocarbons, carbonyls and other compounds from smoke from tobacco products
Tomás Bense Candela, Montevideo (UY); Magela María Banchero Isasmendi, Montevideo (UY); Eleuterio Francisco Umpiérrez Vázquez, Montevideo (UY); Cristina Rufener, Montevideo (UY); Juan Pablo Villanueva, Montevideo (UY); Helena Pardo, Montevideo (UY); Ricardo Faccio, Montevideo (UY); and Alvaro Mombrú, Montevideo (UY)
Assigned to COMPANIA INDUSTRIAL DE TABACOS MONTE PAZ S.A., Montevideo (UY); and UNIVERSIDAD DE LA REPUBLICA, Montevideo (UY)
Appl. No. 17/621,149
Filed by COMPAÑIA INDUSTRIAL DE TABACOS MONTE PAZ S.A., Montevideo (UY); and UNIVERSIDAD DE LA REPÚBLICA, Montevideo (UY)
PCT Filed Mar. 3, 2020, PCT No. PCT/IB2020/051801 § 371(c)(1), (2) Date Dec. 20, 2021, PCT Pub. No. WO2021/048637, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 38364 (UY), filed on Sep. 10, 2019.
Prior Publication US 2022/0348469 A1, Nov. 3, 2022
Int. Cl. B01J 20/20 (2006.01); A24D 3/16 (2006.01); B01J 20/00 (2006.01); C01B 32/198 (2017.01); B82Y 40/00 (2011.01)

CPC C01B 32/198 (2017.08) [A24D 3/16 (2013.01); B01J 20/00 (2013.01); B01J 20/20 (2013.01); B82Y 40/00 (2013.01)]

2 Claims

1. Hybrid carbonaceous material, consisting of:

micronized graphite;

activated carbon; and

one or more of graphene materials: graphene oxide, graphene, and a plurality of graphene sheets, wherein the one or more of the graphene materials is associated with a porous polyethylene support and a specific surface greater than 900 m²/g.