US 11,986,797 B2
Superabsorbent polymer and methods of making and using the same
Milan H. Savich, Beaverton, OR (US)
Assigned to MJJ TECHNOLOGIES INC., Beaverton, OR (US)
Appl. No. 16/979,836
Filed by MJJ Technologies Inc., Beaverton, OR (US)
PCT Filed Mar. 12, 2019, PCT No. PCT/US2019/021855
§ 371(c)(1), (2) Date Sep. 10, 2020,
PCT Pub. No. WO2019/178102, PCT Pub. Date Sep. 19, 2019.
Claims priority of provisional application 62/642,374, filed on Mar. 13, 2018.
Prior Publication US 2021/0039068 A1, Feb. 11, 2021
Int. Cl. B01J 20/24 (2006.01); A61L 15/28 (2006.01); A61L 15/60 (2006.01); B01J 20/30 (2006.01); C08B 31/00 (2006.01)
CPC B01J 20/24 (2013.01) [A61L 15/28 (2013.01); A61L 15/60 (2013.01); B01J 20/3021 (2013.01); B01J 20/3085 (2013.01); C08B 31/006 (2013.01)] 20 Claims
 
1. A superabsorbent polymer (SAP), comprising a polysaccharide-based polymer comprising one or more crosslinks formed between a crosslinking agent and one or more carboxyl groups and/or carboxamide groups of the polysaccharide-based polymer, wherein the SAP exhibits a Surge Index value greater than 27, a Capacity Index value greater than 2900, or both a Surge Index value greater than 27 and a Capacity Index value greater than 2900.