Patent ID: 7282153

Claim:
A method for removing arsenic from water by contacting water with an acrylic gel which comprisies an amine substituent of structure R 1 N{(CH 2 ) x N(R 2 )} 2 (CH 2 )yNR 3 R 4 where an amine nitrogen bearing substituent R 1 is attached via an amide bond with an acrylic carbonyl group or via a C-N bond to a CH 2 group on the acrylic gel; R 1 and R 2 =H, methyl or ehtyl; x and y=1-4, z=0-2 and R 3 and R 4 =methyl, ethyl, propyl or butyl; wherein iron in its hydrous oxide form is entrapped in the acylic gel; to obtain an arsenic bound resin.