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公开(公告)号：US3446840A
公开(公告)日：1969-05-27
申请号：US3446840D
申请日：1966-02-24
Applicant: ASAHI CHEMICAL IND
Inventor： KATO TSUNEYUKI , AOSHIMA ATSUSHI , KUBOTA YASUHIRO , MATSUMURA KENJI
CPC classification number: C07C45/35 , B01J27/192 , C07C51/252 , C07C47/22 , C07C57/04
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