SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREFOR Application WO-2022075777-A1 World Intellectual Property Organisation (WIPO) 14 Apr 2022
Carbon nanotube immobilized super-absorbing membranes Grant US-9919274-B2 United States of America 20 Mar 2018
Synthetic method for instant-absorption type super absorbent resin Application CN-103408689-A China 27 Nov 2013