3,8-di(hetero-)arylnaphtho[1,2-b:5,6-b']difuran-2,7-dione dyes and 6-hydroxy-2-oxo-3-(hetero-)aryl-2,3-dihydronaphtho[1,2-b]furan intermediates,申请号GB19950021660-传众专利搜索

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发明名称	3,8-di(hetero-)arylnaphtho[1,2-b:5,6-b']difuran-2,7-dione dyes and 6-hydroxy-2-oxo-3-(hetero-)aryl-2,3-dihydronaphtho[1,2-b]furan intermediates
摘要
申请公布号	GB2299811(A)	申请公布日期	1996.10.16
申请号	GB19950021660	申请日期	1995.10.23
申请人	* ZENECA LIMITED	发明人	PAUL * WIGHT
分类号	C09B57/00;(IPC1-7):C09B57/06	主分类号	C09B57/00
代理机构		代理人
主权项
地址

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