FEINES PULVER VON HYALURONSAEURE ODER NATRIUMHYALURONAT UND VERFAHREN ZUR HERSTELLUNG

摘要

A process for producing finely powdered hyaluronic acid or sodium hyaluronate, having an average particle size of 3 to 20 mu m, comprises suspending acid or sodium hyaluronate in an organic solvent, grinding the suspension with a wet type grinder, removing the organic solvent, and drying the ground hyaluronic acid or sodium hyaluronate.