US 12,303,867 B2
Sol-gel material absorbing aldehydes and ketones, and the process for its preparation
Mickael Gineys, La Mure (FR); Frederic Hammel, La Ciotat (FR); Denis Paccaud, Lyons (FR); Mathilde Sibeaud, Lyons (FR); and Marie-Pierre Som, Montelier (FR)
Assigned to SEB S.A., (FR)
Appl. No. 17/252,889
Filed by SEB S.A., Ecully (FR)
PCT Filed Jul. 10, 2019, PCT No. PCT/EP2019/068512
§ 371(c)(1), (2) Date Dec. 16, 2020,
PCT Pub. No. WO2020/020639, PCT Pub. Date Jan. 30, 2020.
Claims priority of application No. 18186191 (EP), filed on Jul. 27, 2018; and application No. 19154042 (EP), filed on Jan. 28, 2019.
Prior Publication US 2021/0178364 A1, Jun. 17, 2021
Int. Cl. B01J 20/26 (2006.01); A61L 9/014 (2006.01); B01D 53/02 (2006.01); B01J 20/10 (2006.01); B01J 20/22 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01)
CPC B01J 20/262 (2013.01) [A61L 9/014 (2013.01); B01D 53/02 (2013.01); B01J 20/103 (2013.01); B01J 20/22 (2013.01); B01J 20/28019 (2013.01); B01J 20/28047 (2013.01); B01J 20/3007 (2013.01); B01J 20/3057 (2013.01); B01J 20/3085 (2013.01); A61L 2209/22 (2013.01); B01D 2253/202 (2013.01); B01D 2257/704 (2013.01); B01D 2257/708 (2013.01); B01D 2259/4508 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An air purification device comprising a porous sol-gel adsorbent material comprising:
a silane oxide;
at least one acid of paratoluenesulphonic acid or parahydroxybenzoic acid; and
a probe molecule represented by the following General Formula (I) or a salt thereof,

OG Complex Work Unit Chemistry
wherein R1, R2, R3, R4, R5, and R6 each independently represent a hydrogen atom, a (C1-C6) alkyl group, a (C3-C7) cycloalkyl group or an alkyl-(C3-C7) cycloalkyl group, and
Z represents a spacer group selected from the group consisting of a (C1-C16) alkyl group, a (C2-C16) alkenyl group, a (C2-C16) alkynyl group, a (C1-C16) haloalkyl group, an aryl group, an aryloxy group, a carbocyclic group, and an aryl-(C1-C16) alkyl group.