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1.发明授权Method of removing and preventing the formation of color contaminants in methacrylic acid 失效去除和防止甲基丙烯酸中颜色污染物形成的方法
公开(公告)号：US3507916A
公开(公告)日：1970-04-21
申请号：US3507916D
申请日：1967-03-29
Applicant: ESCAMBIA CHEM CORP
Inventor： SUTHERLAND LESLIE HUNT , SCHOENBRUNN ERWIN F , NEWELL WILLIAM F
IPC: C07C51/487 , C07C51/50 , C07C57/04 , C07C51/42
CPC classification number: C07C51/487 , C07C51/50 , C07C57/04
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