US 11,965,042 B2
Charge-bearing cyclodextrin polymeric materials and methods of making and using same
Gokhan Barin, Skokie, IL (US); Jason M. Spruell, Encinitas, CA (US); Moira Brown, Chicago, IL (US); and Shan Li, Des Plaines, IL (US)
Assigned to CycloPure, Inc., Encinitas, CA (US)
Filed by CycloPure, Inc., Encinitas, CA (US)
Filed on Oct. 20, 2022, as Appl. No. 17/970,233.
Application 17/970,233 is a continuation of application No. 17/481,919, filed on Sep. 22, 2021, granted, now 11,512,146.
Application 17/481,919 is a continuation of application No. 17/174,688, filed on Feb. 12, 2021, granted, now 11,155,646, issued on Oct. 26, 2021.
Application 17/174,688 is a continuation of application No. 16/830,726, filed on Mar. 26, 2020, granted, now 11,001,645, issued on May 11, 2021.
Application 16/830,726 is a continuation of application No. PCT/US2020/018149, filed on Feb. 13, 2020.
Claims priority of provisional application 62/805,505, filed on Feb. 14, 2019.
Prior Publication US 2023/0279158 A1, Sep. 7, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C08B 31/00 (2006.01); B01J 20/26 (2006.01); B01J 20/28 (2006.01); C02F 1/28 (2023.01); C08B 37/16 (2006.01); C08G 18/76 (2006.01); C08L 5/16 (2006.01); C02F 101/36 (2006.01)
CPC C08B 31/006 (2013.01) [B01J 20/267 (2013.01); B01J 20/28054 (2013.01); C02F 1/285 (2013.01); C08B 37/0012 (2013.01); C08G 18/7621 (2013.01); C08L 5/16 (2013.01); B01J 20/28057 (2013.01); C02F 2101/36 (2013.01); C02F 2303/04 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A porous polymeric material comprising a plurality of cyclodextrins crosslinked with a plurality of aryl diisocyanate crosslinkers, wherein one or more of the plurality of cyclodextrins are bound to a linker of formula (I):

OG Complex Work Unit Chemistry
wherein
A is an aryl moiety;
each R1 is independently H or C1-C6 alkyl;
each R2 is independently H or alkyl;
each W is independently a bond, an alkylene group, an arylene group, a heteroarylene group, —O-arylene-, —(CH2)a-arylene-, —SO2-arylene-, —NH-arylene-, —S-arylene-, —O— heteroarylene-, —(CH2)a-heteroarylene-, —SO2-heteroarylene-, —NH-heteroarylene-, —S-heteroarylene-, —(—O—(CH2)a—)x—, —(—NH—(CH2)a—)x—, —(—S—(CH2)a—)x—,

OG Complex Work Unit Chemistry
 wherein a is 0-100 and x is 1-100, and each arylene or heteroarylene moiety can be substituted or unsubstituted;
each Z is a cationic moiety;
each L is

OG Complex Work Unit Chemistry
A′ is a covalent bond to A;
Z′ is a covalent bond to Z;
* is a covalent bond to custom character;
custom character is a point of attachment to the plurality of cyclodextrin carbon atoms;
x is 0-8;
y1 is 1-4;
y2 is 1-4; and
y3 is 0-4.