The letter of intent concerning the sale of AVENTIS CROPSCIENCE HOLDING (joint subsidiary of the French pharmaceutical group AVENTIS and German SCHERING) to German BAYER is to be signed on 12 September. The final transfer of ownership will not, however, be effective until February or March 2002, once approval from the European and American competition authorities has been obtained. It will give rise to the largest agrichemical company worldwide, with an annual turnover of EUR 2.075 billion...