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发明名称
Process for preparing pyranthrone
摘要
申请公布号
US2405702(A)
申请公布日期
1946.08.13
申请号
US19440536986
申请日期
1944.05.23
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
LEE HENRY R.;DEINET JOSEPH;GOTTLIEB HANS B.
分类号
C09B3/42
主分类号
C09B3/42
代理机构
代理人
主权项
地址
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