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US 4,728,556 AGranted
Electrostatic recording medium
AssigneeRicoh Company, Ltd.
InventorsTakao Igawa, Susumu Nemoto, Mitsuru Maeda, Akihiko Goto, Taeko Maeda
Life of this patent
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Abstract
An electrostatic recording medium is disclosed, which comprises a substrate, an electroconductive layer, and a recording layer which are successively overlaid on the substrate, with the surface of the recording layer being studded with at least one component selected from the group consisting of a polymeric electrolyte, an inorganic salt and a surface active agent.
Claims12
An electrostatic recording medium, comprising:
- a substrate, an electroconductive layer and a recording layer which are successively overlaid on said substrate, with the surface of said recording layer being studded with at least one component selected from the group consisting of a polymeric electrolyte, an inorganic salt and a surface active agent.
An electrostatic recording medium, comprising:
- a substrate, and an electroconductive layer and a recording layer which are successively overlaid on said substrate, with the surface of said recording layer, having scattered thereon in a minutely discontinuous state, at least one component selected from the group consisting of a polymeric electrolyte, an inorganic salt and a surface active agent.
Dependencies are inferred from the claim text.