San Miguel's takeover offer for small, Australian premium brewer J Boag & Sons, has attracted acceptances covering more than 78% of shares by June 13, the Manila-based brewers' advisers, JP Morgan, has reported.San Miguel's written offer of $1.65c a share, made on May 23, is now unconditional, with only 10% more shares to be acquired before compulsory acquisition of the remainder can begin.Boag Chairman, Philip Adkins, said on Friday that Interbrew's takeover of Whitbread's brewing interests, in which Boag had been interested, had not led to a revival of the company's interest in Bass.Chris Snow