| http://www.w3.org/ns/prov#value | - It is preferred to add any suitable and available charge control agent, dispersion agent or stabilizing agent such as surface active agent, metallic soap, resin or oil to the electrophoretic suspension layer to provide a stable suspension layer and to control electrophoretic property of the electrophoretic material in accordance with the prior art well known in the colloidal chemistry. in order to
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