By 90min Staff Sir Jim Ratcliffe has vowed that his investment in Manchester United is to bring sporting success back to the club he supported as a boy and not for any personal financial gain. Ratcliffe made his fortune in petrochemicals and his firm, INEOS, generates tens of billions in revenue each year. Having invested £1.3bn in purchasing a minority stake, he doesn’t intend to use United as a way to further line his own pockets, an accusation long levelled at the Glazer family after a huge amount of money has been taken out of the club during their ownership by way of dividends. “Yes, I’m …