Abstract:
A biodegradable composition comprising a polymer matrix having distributed substantially uniformly therethrough hollow sphere-like inclusions or microcapsules, said polymer matrix consisting essentially of a water-soluble polymer/polymer-compatible salt complex with said salt present in an amount sufficient to render said polymer insoluble in water and products made by shaping such composition.
Patent Number:
5,254,598
Date Of Issue:
10/18/1993
Inventors:
Herman W. Schlameus; Mary C. Marshall; Stephen T. Wellingthoff; Donald J. Mangold; James R. Scott
Full Text: