Polydex Pharmaceuticals Limited, through its subsidiaries, develops, manufactures, and markets biotechnology-based products for the human pharmaceutical market worldwide. The company also manufactures bulk pharmaceutical intermediates for the veterinary pharmaceutical industry. It primarily offers dextran and derivative products, including iron dextran, a derivative of dextran that is injected into pigs at birth as a treatment for anemia; and dextran sulphate, a specialty chemical derivative of dextran used in biotechnology applications and the pharmaceutical industry. In addition, the company develops Ushercell, a high molecular weight cellulose sulphate for topical vaginal use primarily in the prevention and transmission of AIDS and other sexually transmitted diseases, as well as unplanned pregnancies; and Usherdex 4, a low molecular weight dextran product to treat cystic fibrosis, a genetic disease. Further, it supplies ferric hydroxide and hydrogenated dextran solutions. Polydex Pharmaceuticals Limited sells its products through independent distributors and wholesalers, as well as directly to companies. The company was formerly known as Polydex Chemicals Limited and changed its name to Polydex Pharmaceuticals Limited in March 1984. Polydex Pharmaceuticals Limited was incorporated in 1979 and is based in Toronto, Canada.
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