Patent ID: 6235947
Filing Date: 2001-05-22
Classification: C07C

Abstract:
A process for preparing a D-mannitol said process comprising moistening the surface of .delta. form D-mannitol crystals with a water-soluble solvent without dissolving the .delta. form D-mannitol crystals completely in the water-soluble solvent, followed by drying the moistened .delta. form D-mannitol crystals to obtain the D-mannitol, said water-soluble solvent being in an amount of about 3 to about 70 W/W % based on the weight of the .delta. form D-mannitol crystals, said D-mannitol (a) being in the 5 form crvstals alone or a mixture of the .beta. form crystals with the .delta. form crystals and (b) having a specific surface area of not less than about 1 m.sup.2 /g.