US 12,364,969 B2
Modified polyamines grafted to a particulate, solid support as sorbent materials for removal of target substances from fluids
Benjamin David Reeve, London (GB); Wen Li, London (GB); Katharina Reeh, London (GB); Amanda Yi Fen You, London (GB); and Henrik Hagemann, London (GB)
Assigned to Puraffinity Ltd., London (GB)
Filed by Puraffinity Ltd., London (GB)
Filed on Dec. 11, 2023, as Appl. No. 18/535,209.
Application 18/535,209 is a division of application No. 17/041,531, granted, now 12,005,423, previously published as PCT/GB2019/050886, filed on Mar. 28, 2019.
Claims priority of application No. 1805058 (GB), filed on Mar. 28, 2018.
Prior Publication US 2024/0181429 A1, Jun. 6, 2024
Int. Cl. B01J 20/26 (2006.01); B01D 69/14 (2006.01); B01J 20/10 (2006.01); B01J 20/24 (2006.01); B01J 20/28 (2006.01); B01J 20/32 (2006.01); C02F 1/28 (2023.01); C02F 1/44 (2023.01); C07C 53/21 (2006.01); C07C 309/65 (2006.01); C22B 3/24 (2006.01); C22B 11/00 (2006.01); C22B 59/00 (2006.01); C02F 101/36 (2006.01)
CPC B01J 20/267 (2013.01) [B01D 69/147 (2013.01); B01J 20/103 (2013.01); B01J 20/24 (2013.01); B01J 20/28004 (2013.01); B01J 20/28016 (2013.01); B01J 20/28038 (2013.01); B01J 20/3204 (2013.01); B01J 20/3212 (2013.01); B01J 20/3219 (2013.01); B01J 20/3278 (2013.01); C02F 1/285 (2013.01); C02F 1/288 (2013.01); C02F 1/44 (2013.01); C07C 53/21 (2013.01); C07C 309/65 (2013.01); C22B 3/24 (2013.01); C22B 11/04 (2013.01); C22B 59/00 (2013.01); C02F 2101/36 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A composition for removal of a contaminant from an aqueous fluid stream, wherein the composition comprises:
a) a support material which is at least one of porous, solid, and particulate; and
b) a sorbent molecule comprising:
i) a branched polyamine covalently linked to the support material; and
ii) a hydrophobic group covalently linked to the branched polyamine.