Process for solubilizing polyanionic bacterial polysaccharides in aprotic solvents.
申请公布号:EP0398615(A2)
申请号:EP19900305180
申请日期:1990.05.14
申请公布日期:1990.11.22
发明人:CALABRIA, RALPH;HARTNER, FREDERICK W.;SISKO, JOHN T.
分类号:C08B37/00;C12P19/04
主分类号:C08B37/00
摘要:<p>A process for rendering a bacterial polysaccharide soluble in aprotic solvents by exchanging the calcium counterion of a polysaccharide calcium salt for tetra-n-alkylammonium ion by precipitation.</p>