Polymethine dyes and method for preparation thereof,申请号US19370142283-传众专利搜索

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发明名称	Polymethine dyes and method for preparation thereof
摘要
申请公布号	US2202991(A)	申请公布日期	1940.06.04
申请号	US19370142283	申请日期	1937.05.12
申请人	DU PONT FILM MANUFACTURING CORP.	发明人	MIDDLETON EDMUND B.
分类号	C09B23/06;G03C1/18	主分类号	C09B23/06
代理机构		代理人
主权项
地址

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