申请人:AMOCO CORPORATION
公开号:EP0349218A2
公开(公告)日:1990-01-03
A method of separating 3,3′,4,4′-tetramethyldiphenyl ether from its solid mixture with 2,3,3′,4′-tetramethyldiphenyl ether.
一种从 3,3′,4,4′-四甲基二苯醚与 2,3,3′,4′-四甲基二苯醚的固体混合物中分离 3,3′,4,4′-四甲基二苯醚的方法。