Preparation of 4-methyl hydroxy coumarins,申请号US19400360430-传众专利搜索

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发明名称	Preparation of 4-methyl hydroxy coumarins
摘要
申请公布号	US2298459(A)	申请公布日期	1942.10.13
申请号	US19400360430	申请日期	1940.10.09
申请人	CARBIDE AND CARBON CHEMICALS CORPORATION	发明人	JR. ALBERT B. BOESE,
分类号	C07D311/08	主分类号	C07D311/08
代理机构		代理人
主权项
地址

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