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1.Process of distilling benzoic acid with steam above 200 deg. c. 失效
Title translation: 蒸汽高于200度蒸馏苯甲酸的方法 C。公开(公告)号:US3321382A
公开(公告)日:1967-05-23
申请号:US35730664
申请日:1964-04-03
Applicant: ALLIED CHEM
Inventor: ASHCRAFT JR JACOB O , WINSTROM LEON O , DUGGAN RAYMOND J , PARK JONG C
CPC classification number: C07C51/36 , C07C51/445 , C07C61/08 , C07C63/06