Reuters is reporting that France's AB Science is preparing to float an IPO designed to raise $70 million. Quoting sources, Reuters says that Societe Generale has been tapped as the lead manager with Fortis as the co-manager. And if it all works according to plan, AB Science will have the first French biotech IPO since mid-2008. The developer has a veterinary cancer therapy on the market and is testing the same compound in humans. Report