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发明名称
N-hydroxyethylated derivatives of 1-amino- or 2-amino-5-hydroxynaph thalene-7-sulphonic acid
摘要
申请公布号
US1873443(A)
申请公布日期
1932.08.23
申请号
US19300418417
申请日期
1930.01.03
申请人
GENERAL ANILINE WORKS, INC.
发明人
MATZDORF GEORG
分类号
C07C309/50
主分类号
C07C309/50
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代理人
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