Dyeing basic nitrogenous fibers by the metachrome process with chromable azo dyes having nitrogen free substituents ortho to the azo group,申请号US19470761983-传众专利搜索

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发明名称	Dyeing basic nitrogenous fibers by the metachrome process with chromable azo dyes having nitrogen free substituents ortho to the azo group
摘要
申请公布号	US2520080(A)	申请公布日期	1950.08.22
申请号	US19470761983	申请日期	1947.07.18
申请人	AMERICAN CYANAMID COMPANY	发明人	AMICK CHESTER A.;WATKINS WILLARD H.;MILLSON HENRY E.
分类号	D06P3/20	主分类号	D06P3/20
代理机构		代理人
主权项
地址

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