The present invention relates to a purified, easily produced poly-β-1→4-N-acetylglucosamine (p-GlcNAc) polysaccharide species. The p-GlcNAc of the invention is a polymer of high molecular weight whose constituent monosaccharide sugars are attached in β-1→4 conformation, and which is free of proteins,...http://www.google.ca/patents/US6864245?utm_source=gb-gplus-sharePatent US6864245 - Biocompatible poly-β-1→4-N-acetylglucosamine
