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发明名称
Preparation of leuco esters of vat dyestuffs
摘要
申请公布号
US2245535(A)
申请公布日期
1941.06.10
申请号
US19380186752
申请日期
1938.01.24
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
STALLMANN OTTO;PRAHL MILTON A.
分类号
C09B9/00
主分类号
C09B9/00
代理机构
代理人
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地址
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