The invention provides an image fading preventing agent capable of preventing the discoloration/fading of an image formed and stably retaining its image quality over a long period of time, as well as an image forming element, a recording medium, an image forming method and an image using the agent. The image fading preventing agent is used in a region in which an image is formed by a coloring material, and has a functional group to cause intramolecular proton transfer in its molecule. An image is formed by the image forming element, recording medium or image forming method using the agent.

 
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< Thermal transfer receiving sheet, production method thereof and image forming method using the sheet

< Reversible thermosensitive recording medium, as well as reversible thermosensitive recording label, reversible thermosensitive recording member, image processing apparatus and image processing method

> Heat-sensitive recording material

> Security sticker and method for manufacturing the same

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