Copy E Bearder, Imperial Chemical (Pharmaceuticals) Ltd, to Sir Edward Mellanby, Secretary, Medical Research Council Noting that no progress has been made further to their offer to put their testing facilities at the Medical Research Council's disposal because the matter has become linked with the wider question of ownership of patents and offering - for the period of the war and in the field of antimalarials - to subscribe to the Council's policy on patents and assist with testing, subject to certain stated conditions [15 June 1943]