IN347878: Selective extraction of heavy metal ions using crown ether anchored polymer support
The invention relates to the selective removal of strontium and lead ions using glycidyl methacrylate-co-ethylene dimethacrylate polymer [poly(GMA-co-EDMA)] supported dibenzo-18-crown-6-ether as selective metal chelating agent and its method of synthesis. Epoxy based copolymer was obtained using glycidyl methacrylate as a monomer and ethylene dimethacrylate as a crosslinker in the presence of 1,2-dichlorobenzene as a porogen.
Patent No:
IN347878
Application No:
2724DEL2014
Filing Date:
23-09-2014
Issue Date:
28-09-2020
Applicant:
CSIR-National Chemical Laboratory (CSIR-NCL), Pune
Inventor(s):
Nayaku Nivrati Chavan; Surendra Ponrathnam; Sachin Tanaji Mane
IPC Classification:
C08F 2/00, C07C 69/00
Country:
India
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