US 12,278,372 B2
Dispersant
Louise Maria Bell McCulloch, Goole (GB); Joshua Michael Moore, Goole (GB); and Michael Andrew Oakley, Goole (GB)
Assigned to Croda International Plc, East Yorkshire (GB)
Appl. No. 17/634,397
Filed by Croda International Plc, Goole (GB)
PCT Filed Aug. 13, 2020, PCT No. PCT/EP2020/072714
§ 371(c)(1), (2) Date Feb. 10, 2022,
PCT Pub. No. WO2021/028519, PCT Pub. Date Feb. 18, 2021.
Claims priority of application No. 1911721 (GB), filed on Aug. 15, 2019.
Prior Publication US 2022/0302456 A1, Sep. 22, 2022
Int. Cl. C08G 63/91 (2006.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/1391 (2010.01); H01M 4/62 (2006.01)
CPC H01M 4/622 (2013.01) [C08G 63/91 (2013.01); H01M 4/04 (2013.01); H01M 4/131 (2013.01); H01M 4/1391 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A dispersant comprising:
a polyester derived from a plurality of poly(carbonylalkyleneoxy) chains and an amine,
wherein the dispersant has an acid value of less than 1 mgKOH/g, and an amine value of less than 30 mgKOH/g.