Benzenedimethanol suitable for micronisation

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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C07C 6334

Patent

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053809220

ABSTRACT:
1-Hydroxy-2-naphthalene carboxylate (hydroxynaphthoate) salt of 4-hydroxy-a.sup.1 -[[[6-(4-phenylbutoxy)hexyl]-amino]methyl]-1,3-benzendimethanol in the form of spherical accretions of microcrystals, the spherical accretions being free-flowing, friable and micronisable and preferably having a mean particle size of from 70 to 300 mm and a mean surface area from 4 to 12 m.sup.2 g.sup.-1. The hydroxynaphthoate salt in the claimed form may be prepared by quenching a hot organic/aqueous organic solution containing the salt with a cold organic/aqueous organic solvent.

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