| abstract |
PCT No. PCT/EP94/02988 Sec. 371 Date Mar. 11, 1996 Sec. 102(e) Date Mar. 11, 1996 PCT Filed Sep. 7, 1994 PCT Pub. No. WO95/07936 PCT Pub. Date Mar. 23, 1995Dextran esters with a molecular weight of 10,000-10,000,000 and ester side chains which are derived from acids with 6-18 carbon atoms, where the degree of esterification is adjusted, depending on the number of carbon atoms in the side chains and the molecular weight, to a value of 0.04-1.1 so that the dextran esters are insoluble in water at room temperature and are broken down by colonic bacteria, and their use for coating and/or embedding pharmaceutical active ingredients or drug formulations. |