专利名称：Polyaminoalkylenesulfonamidated disazo
colorants
发明人：Nathan N. Crounse申请号：US06/195118申请日：19801008公开号：US04379089A公开日：19830405
摘要：This invention relates to novel mixtures consisting essentially of monoazocompounds and disazo compounds which are substituted with x (N- substituted
sulfonamido) groups, to acid-addition salts of said azo compounds, useful as direct dyesparticularly in the dyeing of cellulose, and to methods of preparation of said mixtures of(N- substituted sulfonamido) substituted monoazo and disazo compounds.
申请人：STERLING DRUG INC.
代理人：Terrence E. Miesle,Lynn T. Fletcher,B. Woodrow Wyatt
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