Patent 7384523 was granted and assigned to Radiometer (company) on June, 2008 by the United States Patent and Trademark Office.
A chloride selective electrode membrane comprises a polymeric matrix wherein the matrix comprises an epoxy resin, and an amine agent selected from the group consisting of polyamides, amidoamines and mixtures thereof. The amine agent is present in stoichiometric excess and functions as both curing agent and chloride selective agent.