Polydex Pharmaceuticals Limited is engaged in the research, development, manufacture and marketing of biotechnology-based products for the human pharmaceutical market, and also manufactures bulk pharmaceutical intermediates for the veterinary pharmaceutical industry. The Company focuses on the manufacture and sale of Dextran and derivative products, including Iron Dextran and Dextran Sulphate, and other specialty chemicals. The Company conducts its business operations through its two wholly owned subsidiaries: Dextran Products Limited (Dextran Products) and Chemdex Inc (Chemdex).