LyondellBasell emerges as mystery U.S. buyer of Kurdish oil; says no more
July 31, 2014 at 13:45 PM EDT
NEW YORK/HOUSTON, July 31 (Reuters) - Chemicals firm LyondellBasell, owned by Ukraine-born billionaire Leonard Blavatnik, has emerged as the mystery American buyer of Kurdish crude oil this year, but said on Thursday it will not be buying any more due to an ownership dispute.