	US 11,667,758 B2
	Temperature-insensitive membrane materials and analyte sensors containing the same
Balasubrahmanya S. Bommakanti, Alameda, CA (US); John V. Latour, Alameda, CA (US); Udo Hoss, Alameda, CA (US); Tianmei Ouyang, Alameda, CA (US); Phu Le, Alameda, CA (US); Gary Sandhu, Alameda, CA (US); and Kevin Wallis, Alameda, CA (US)
Assigned to Abbott Diabetes Care Inc., Alameda, CA (US)
Appl. No. 16/474,790
Filed by Abbott Diabetes Care Inc., Alameda, CA (US)
PCT Filed Jun. 11, 2019, PCT No. PCT/US2019/036469 § 371(c)(1), (2) Date Jun. 28, 2019, PCT Pub. No. WO2019/241192, PCT Pub. Date Dec. 19, 2019.
Claims priority of provisional application 62/684,438, filed on Jun. 13, 2018.
Prior Publication US 2022/0002498 A1, Jan. 6, 2022
Int. Cl. C08G 81/02 (2006.01); C08G 65/333 (2006.01); C08J 5/18 (2006.01); A61B 5/145 (2006.01); A61B 5/1486 (2006.01); A61B 5/1495 (2006.01)

CPC C08G 81/025 (2013.01) [A61B 5/14532 (2013.01); A61B 5/14865 (2013.01); C08G 65/33317 (2013.01); C08J 5/18 (2013.01); A61B 5/1495 (2013.01); C08J 2339/08 (2013.01)]

26 Claims

1. A polymeric membrane composition comprising:

a polymer backbone comprising one or more side chains that comprise a heterocycle; and

an amine-free polyether arm appended, via an alkyl spacer or a hydroxy-functionalized alkyl spacer, to the heterocycle of at least a portion of the one or more side chains;

wherein the amine-free polyether arm comprises at least one polyethylene oxide block and at least one polypropylene oxide block, the amine-free polyether arm being bound to a heterocyclic or heteroaromatic nitrogen atom in a side chain of the polymer backbone.