Patent ID: 6703048
Filing Date: 2004-03-09
Classification: A61K,C08J

Abstract:
A process for preparing spherical microparticles which consists essentially of wholly or partly of a water-insoluble linear 1,4-&agr;-D-polyglucan of class 6 or 7 as defined in Deutsches Arzneibuch, which consists essentially of dissolving the water-insoluble linear 1,4-&agr;-D-polyglucan in a solvent, introducing the solution into a precipitant, cooling the mixture resulting therefrom, and removing the microparticles formed and said solvent is dimethyl sulfoxide, formamide, acetamnide, N,N-dimithylformamide, N,N-dimethylacetamide, N-methylmorpholine N-oxide or dichloromethane.