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1.Method of improving the color and color stability of benzoic acid 失效
Title translation: 改善苯甲酸颜色和颜色稳定性的方法公开(公告)号:US3478092A
公开(公告)日:1969-11-11
申请号:US3478092D
申请日:1966-04-06
Applicant: VELSICOL CHEMICAL CORP
Inventor: INGWALSON RAYMOND W , SMITH WILLIAM F , WRIGHT JAMES O
IPC: C07C51/487 , C07C51/44
CPC classification number: C07C51/487 , C07C63/06