Disclosed are a novel crystal form of the fluoran compound represented by formula (I) as characterised by specific X-ray powder diffraction pattern and melting range; process for the preparation of said novel crystal form and recording materials comprising the said crystal form.

 
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< Heat-sensitive recording material and method for producing same

< Pressure-sensitive record materials

> Thermally sensitized sheet

> Glow-in-the-dark medium and method of making

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