Scancell Holdings, a developer of therapeutic cancer vaccines, has announced that its protein ImmunoBody vaccine patent has been approved in the US. The patent, which has already been approved in Europe and Australia, will further strengthen Scancell's IP position around its proprietary ImmunoBody vaccine platform. Engineering specialist Keller has announced that GTCEISU Construccion has sold 3,691,985 existing ordinary shares in the company, representing around 5.7% of the total issued share capital of Keller. The shares were sold to institutional investors via an accelerated bookbuild placing. The shares were placed at a price of 400p per share. Shipping firm Goldenport Holdings has announced that its Chief Financial Officer and Executive Director, Christos Varsos, to pursue other projects. Current Executive Director and Chief Accounting Officer Konstantinos Kabanaros will act as the interim CFO. Software Radio Technology has said results for the year ended March 31st are expected to be below expectations, with revenue of around £6m and profit before tax of about £0.1m, after the firm was hit by order delays. Chief Executive Simon Tucker said: "Whilst the expected outcome for the financial year is significantly below what we had hoped and is therefore disappointing, we have made substantial progress in the execution of our product, customer and market development strategies." Media firm Aeorema Communications has acquired Viral Film Maker for £85,500, paid partly in cash and the remainder with the issue of 200,000 new ordinary shares in the Aeorema at 23.25p each. For the year ended June 30th 2011, ST16 recorded profit before tax of around £23,000 (unaudited) on turnover of about £216,000. As at the end of the period, ST16 had net assets of approximately £2,000.IFG Group has recently received an unsolicited expression of interest in a possible purchase of its International Corporate Trustee Services division. The approach is said to be at an early stage.